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techtalk:ih:oil01 [2022/07/30 06:15]
hippysmack [Low Oil Pressure]
techtalk:ih:oil01 [2024/02/08 23:09]
52.70.240.171 ↷ Links adapted because of a move operation
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 The Sportster Oiling Cycle is defined in the FSMs. \\ The Sportster Oiling Cycle is defined in the FSMs. \\
 However, that description is vague in some of the intricate transitions of the oil path in the engine. \\ However, that description is vague in some of the intricate transitions of the oil path in the engine. \\
-This page is an attempt to clarify some of the gray areas from the FSM's descriptions with further description and pictures. ((Hippysmack of the XLFORUM )) \\+This page is an attempt to clarify some of the gray areas from the FSM's descriptions with further description and pictures. ((Hippysmack of the XLFORUM)) \\
  
 ====== Engine Oil Cycle (1976 and Earlier) ====== ====== Engine Oil Cycle (1976 and Earlier) ======
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 ====== Top End Oiling ====== ====== Top End Oiling ======
 ===== Cam Cover Oiling ===== ===== Cam Cover Oiling =====
-The oil going up to the top end not only passes by the bushing in the cam chest, but also is fed to and from the cam cover and through the cam cover gasket. ((XLFREAK of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522&​highlight=crankcase+pressure&​page=2)) \\+The oil going up to the top end not only passes by the bushing in the cam chest, but also is fed to and from the cam cover and through the cam cover gasket. ((XLFREAK of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end/​page2?​t=831522&​highlight=crankcase+pressure&​page=2)) \\
 It is possible for the gasket to blow out and seal up the oil galley feed passages. \\ It is possible for the gasket to blow out and seal up the oil galley feed passages. \\
 Also if silicon was used on the cover, it is possible for that to break loose and stop up the passages. \\ Also if silicon was used on the cover, it is possible for that to break loose and stop up the passages. \\
 You can take the cover off and run a tap down all the threaded holes to clear out any obstructions. \\ You can take the cover off and run a tap down all the threaded holes to clear out any obstructions. \\
 Also check that the face of the cover and case are not marred by some big scratch or dent. \\ Also check that the face of the cover and case are not marred by some big scratch or dent. \\
-To get old silicone out of bolt holes, you can use an inflation needle for footballs/​basketballs/​soccerballs. ((rivethog of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522&​highlight=crankcase+pressure&​page=2)) \\+To get old silicone out of bolt holes, you can use an inflation needle for footballs/​basketballs/​soccerballs. ((rivethog of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end/​page2?​t=831522&​highlight=crankcase+pressure&​page=2)) \\
 Cut the tip off of it then screw it into the end of an air blowgun. \\  Cut the tip off of it then screw it into the end of an air blowgun. \\ 
 It's narrow enough that it doesn'​t block debris from getting out of the hole. \\ It's narrow enough that it doesn'​t block debris from getting out of the hole. \\
  
-|Oil path of 85 style cam cover ((photo by billeuze of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1103082))|+|Oil path of 85 style cam cover ((photo by billeuze of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​115252-cam-fitment-question-on-ih-help-me-out-plz?​t=1103082))|
 |{{:​techtalk:​ih:​oil:​85_cam_cover_1_by_billeuze_annotated_by_hippysmack.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​85_cam_cover_1_by_billeuze_annotated_by_hippysmack.jpg?​direct&​300|}}|
  
 ===== Oil Lines to the Rockers ===== ===== Oil Lines to the Rockers =====
-There are rubber grommets on both ends of the oil lines. ((IronMick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=753175&​highlight=split+rocker+box)) \\+There are rubber grommets on both ends of the oil lines. ((IronMick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​92089-oil-pressure-issues?​t=753175&​highlight=split+rocker+box)) \\
 Some guys install two on each end, which is a wrong thing to do. \\ Some guys install two on each end, which is a wrong thing to do. \\
 Sometimes the rubber from an improperly installed grommet plugs the oil line. \\ Sometimes the rubber from an improperly installed grommet plugs the oil line. \\
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 Remove both oil lines, and check the rubbers on both ends of each. \\ Remove both oil lines, and check the rubbers on both ends of each. \\
  
-|  Oil line sleeves. ((photos by sc72 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1704463)) ​ ||+|  Oil line sleeves. ((photos by sc72 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​159099-rocker-box-oil-line?​t=1704463)) ​ ||
 |{{:​techtalk:​ih:​oil:​83_model_oil_line_sleeves_1_by_sc72.jpg?​direct&​250|}}|{{:​techtalk:​ih:​oil:​83_model_oil_line_sleeves_2_by_sc72.jpg?​direct&​250|}}| |{{:​techtalk:​ih:​oil:​83_model_oil_line_sleeves_1_by_sc72.jpg?​direct&​250|}}|{{:​techtalk:​ih:​oil:​83_model_oil_line_sleeves_2_by_sc72.jpg?​direct&​250|}}|
 ===== Rocker Box ===== ===== Rocker Box =====
-The feed to the rockers is not a large diameter passage and not a lot of oil goes to the rocker gear. ((Ferrous Head of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=753175&​highlight=split+rocker+box)) \\+The feed to the rockers is not a large diameter passage and not a lot of oil goes to the rocker gear. ((Ferrous Head of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​92089-oil-pressure-issues?​t=753175&​highlight=split+rocker+box)) \\
 But if you pull the lines off with the engine running you should be getting a good steady flow out of them. \\ But if you pull the lines off with the engine running you should be getting a good steady flow out of them. \\
  
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     * If the O-ring fails to seal the oiler tube, feed oil pressure to the top end could be low.     * If the O-ring fails to seal the oiler tube, feed oil pressure to the top end could be low.
  
-|Cam oiler tube hole in gearcase. ((photo by Iron Mike of the XLFORUM, labeled by Hippysmack ​http://​xlforum.net/​forums/showthread.php?​t=1750617&​page=116)) ​ |  Cam gear oiler installed. ((photo by iNSaNeSHaNe of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1750617&​page=122)) ​ |  Cam Oiler Piping ((photo courtesy of Ebay seller, Robison Motorcycles [[https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563|Link to Ebay Store]] ))  |+|Cam oiler tube hole in gearcase. ((photo by Iron Mike of the XLFORUM, labeled by Hippysmack ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​162965-wtf-happened/​page116?​t=1750617&​page=116)) ​ |  Cam gear oiler installed. ((photo by iNSaNeSHaNe of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​162965-wtf-happened/​page122?​t=1750617&​page=122)) ​ |  Cam Oiler Piping ((photo courtesy of Ebay seller, Robison Motorcycles [[https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563|Link to Ebay Store]] ))  |
 |{{:​techtalk:​ih:​engmech:​1985_cam_gear_oiler_gearcase_by_iron_mike.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1985_cam_gear_oiler_by_insaneshane.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​cam_gear_oiler_pipe_1985_xl_pic1_by_robison_motorcycles.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​engmech:​1985_cam_gear_oiler_gearcase_by_iron_mike.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1985_cam_gear_oiler_by_insaneshane.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​cam_gear_oiler_pipe_1985_xl_pic1_by_robison_motorcycles.jpg?​direct&​300|}}|
  
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 [[techtalk:​ih:​engmech07#​breather_valve1|Explanation for the foo-foo valve is here]] in the Sportsterpedia. \\ [[techtalk:​ih:​engmech07#​breather_valve1|Explanation for the foo-foo valve is here]] in the Sportsterpedia. \\
  
-The transfer valve (25075-55) is installed in the left case between the primary and crankcase compartments. ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280)) \\+The transfer valve (25075-55) is installed in the left case between the primary and crankcase compartments. ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed?​t=2077280)) \\
 There is only one moving part in the transfer valve assembly which is the triangular shaped disc in the pics below. \\ There is only one moving part in the transfer valve assembly which is the triangular shaped disc in the pics below. \\
 It's a triangular piece of .009" thick stainless steel that can move about .015" left to right in the valve. There is no spring. \\ It's a triangular piece of .009" thick stainless steel that can move about .015" left to right in the valve. There is no spring. \\
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 The video below was made by XLForum member, Harton, and shows how the transfer valve will move oil out of the primary into the crankcase. \\ The video below was made by XLForum member, Harton, and shows how the transfer valve will move oil out of the primary into the crankcase. \\
-But this is not indicative to true vacuum inside as the oil it's removing adds to engine vacuum until after the oil is removed. \\ +But this is not indicative to true vacuum inside as the oil it's removing adds to engine vacuum until after the oil is removed. ​((video courtesy of harton of the XLFORUM https://​www.xlforum.net/​forum/​sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​79838-oil-transfer-valve/​page2?​t=581947&​highlight=transfer+valve&​page=2)) ​\\ 
-{{ :video:1974_ironhead_transfer_valve_test_by_harton.mp4 |1974 IRONHEAD Transfer Valve Test by Harton}} \\+{{ video:100-oil_transfer_valve_test_1974_ironhead_by_harton.mp4 |1974 IRONHEAD Transfer Valve Test by Harton}} \\
  
 The source for transfer is not the valve but rather piston upstroke. \\ The source for transfer is not the valve but rather piston upstroke. \\
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 On engine start up the excess oil in the primary should be transferred back into the engine. \\ On engine start up the excess oil in the primary should be transferred back into the engine. \\
  
-<​blockquote>​The transfer valve is not the culprit in getting engine oil to the primary side. You have to remedy the problem at the oil pump. ((bustert of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=581917&​page=3)) \\+<​blockquote>​The transfer valve is not the culprit in getting engine oil to the primary side. You have to remedy the problem at the oil pump. ((bustert of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​79812-ok-where-is-the-oil/​page3?​t=581917&​page=3)) \\
 This valve largely seals by dynamic action (aka windage) from the down stoke of the pistons. The disk is only a marginal seal at static, and yes it will leak. \\ This valve largely seals by dynamic action (aka windage) from the down stoke of the pistons. The disk is only a marginal seal at static, and yes it will leak. \\
 An engine will produce more HP if there is a slight vacuum in the crankcase as it does not have to over come pressure. \\ An engine will produce more HP if there is a slight vacuum in the crankcase as it does not have to over come pressure. \\
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 See Further Study of the Transfer Valve Operation and Affects of Plugging the Valve above. \\ See Further Study of the Transfer Valve Operation and Affects of Plugging the Valve above. \\
  
-The transfer valve is staked into position. ((Ferrous Head of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=581947&​page=6)) \\+The transfer valve is staked into position. ((Ferrous Head of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​79838-oil-transfer-valve/​page6?​t=581947&​page=6)) \\
 Look very close around the edges and you'll see two spots that have been lightly punched. \\ Look very close around the edges and you'll see two spots that have been lightly punched. \\
  
 |{{:​techtalk:​ih:​oil:​transfer_valve_by_fourcams.jpg?​direct&​250|}}|{{:​techtalk:​ih:​oil:​transfer_valve_1_by_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​transfer_valve_2_by_ironheadjunkie.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​transfer_valve_by_fourcams.jpg?​direct&​250|}}|{{:​techtalk:​ih:​oil:​transfer_valve_1_by_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​transfer_valve_2_by_ironheadjunkie.jpg?​direct&​300|}}|
-|  Transfer valve ((photo by FourCams of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=581947)) ​ |  Transfer valve location ((photos by ironheadjunkie ​http://​xlforum.net/​forums/showthread.php?​t=1495746)) ​ ||+|  Transfer valve ((photo by FourCams of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​79838-oil-transfer-valve?​t=581947)) ​ |  Transfer valve location ((photos by ironheadjunkie ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​137835-1975-oil-question?​t=1495746)) ​ ||
  
-The thread pattern is 3/​4"​-16. ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280)) ​ \\+The thread pattern is 3/​4"​-16. ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed?​t=2077280)) ​ \\
 There is nothing to wear out. However anything that stops the movement of the reed (rust or dirt) means the valve won't work. \\ There is nothing to wear out. However anything that stops the movement of the reed (rust or dirt) means the valve won't work. \\
 The one taken apart here was gummed up with old oil that had a tar like consistency. \\ The one taken apart here was gummed up with old oil that had a tar like consistency. \\
  
-{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_1_by_needspeed.jpg?​direct&​800|}} ((photo by needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280)) \\+{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_1_by_needspeed.jpg?​direct&​800|}} ((photo by needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed?​t=2077280)) \\
  
 Also, as a test, a container of 20w-50 oil at room temperature was allowed to gravity drain from the transfer valve. \\ Also, as a test, a container of 20w-50 oil at room temperature was allowed to gravity drain from the transfer valve. \\
 It took 48 hours for 100 milliliters of oil to drip through the valve. \\ It took 48 hours for 100 milliliters of oil to drip through the valve. \\
  
-{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_3_by_needspeed.jpg?​direct&​300|}} ((photo by needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280)) \\+{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_3_by_needspeed.jpg?​direct&​300|}} ((photo by needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed?​t=2077280)) \\
  
 Here are a few drawings detailing the assembly: \\ Here are a few drawings detailing the assembly: \\
  
-{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_2_by_needspeed.jpg?​direct&​500|}} ((drawing by needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280)) \\+{{:​techtalk:​ih:​oil:​transfer_valve_exposed_pic_2_by_needspeed.jpg?​direct&​500|}} ((drawing by needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed?​t=2077280)) \\
  
 ===== Removing / Installing the Transfer Valve ===== ===== Removing / Installing the Transfer Valve =====
  
-The transfer valve is staked into place and it is steel into alloy which is always problematic. ((Ferrous Head of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280&​page=3)) \\+The transfer valve is staked into place and it is steel into alloy which is always problematic. ((Ferrous Head of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed/​page3?​t=2077280&​page=3)) \\
 If you do remove/​replace the valve, make sure it is staked back in place when you finish. Use some Loctite on the threads also.\\ If you do remove/​replace the valve, make sure it is staked back in place when you finish. Use some Loctite on the threads also.\\
  
-  * You can use a hammer and punch to stake mark out of the valve slot. Be careful when hammering on your cases. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=776527)) +  * You can use a hammer and punch to stake mark out of the valve slot. Be careful when hammering on your cases. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​93964-how-to-remove-the-oil-transfer-valve?​t=776527)) 
-  * You can find a socket that same size as the OD of the valve. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=776527)) Lay it on the valve & give it some face hammer shots. Again, be careful. \\ Or get 2 hammers, 2 drifts, 2 guys, one for each slot. Get in rhythm so both hit at same time. \\ You don't want to brutal. It will break loose if you repeat 2&3. Be careful not to mash the valve into the case. That would re-stake the valve. Again, be careful. +  * You can find a socket that same size as the OD of the valve. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​93964-how-to-remove-the-oil-transfer-valve?t=776527)) Lay it on the valve & give it some face hammer shots. Again, be careful. \\ Or get 2 hammers, 2 drifts, 2 guys, one for each slot. Get in rhythm so both hit at same time. \\ You don't want to brutal. It will break loose if you repeat 2&3. Be careful not to mash the valve into the case. That would re-stake the valve. Again, be careful. 
-  * You can use a Snap-On Drag Link socket to remove the transfer valve. ((The Doctor71 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077190)) You may have to grind it to fit the slots in the oil transfer valve. ((rivethog of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=776527)) \\ However Snap-On has a 15/16" wide version, stock # A17A, that fits quite well with no grinding needed. ((The Doctor71 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=776527))+  * You can use a Snap-On Drag Link socket to remove the transfer valve. ((The Doctor71 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200213-oil-transfer-valve?​t=2077190)) You may have to grind it to fit the slots in the oil transfer valve. ((rivethog of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​93964-how-to-remove-the-oil-transfer-valve?t=776527)) \\ However Snap-On has a 15/16" wide version, stock # A17A, that fits quite well with no grinding needed. ((The Doctor71 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​93964-how-to-remove-the-oil-transfer-valve?t=776527))
  
-|Special tool to remove / install transfer valve. ((photo by Ferrous Head of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2077280&​page=3))|+|Special tool to remove / install transfer valve. ((photo by Ferrous Head of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​200293-oil-transfer-valve-exposed/​page3?​t=2077280&​page=3))|
 |{{:​techtalk:​ih:​oil:​transfer_valve_removal-installation_tool_by_ferrous_head.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​transfer_valve_removal-installation_tool_by_ferrous_head.jpg?​direct&​300|}}|
  
 ---- ----
- 
  
 ====== Wet Sumping ====== ====== Wet Sumping ======
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 ====== Engine Pressures ====== ====== Engine Pressures ======
-Different areas have different types of pressure applied and from different sources. ((bustert of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2073175&​page=3)) ((Hippysmack)) \\+Different areas have different types of pressure applied and from different sources. ((bustert of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​196615-over-sized-oil-lines/​page3?​t=2073175&​page=3)) ((Hippysmack)) \\
  
 **The engine has a force-fed (pressure type) oiling system incorporating oil feed and return pumps in one pump body with a check valve on the feed side.** ((86-90 HD Sportster FSM pg 3-4)) **The engine has a force-fed (pressure type) oiling system incorporating oil feed and return pumps in one pump body with a check valve on the feed side.** ((86-90 HD Sportster FSM pg 3-4))
Line 193: Line 192:
       * Pushrods and tappets       * Pushrods and tappets
   * The scavenge side of the pump returns oil from the bottom of the gearcase and crankcase sump to the oil tank.   * The scavenge side of the pump returns oil from the bottom of the gearcase and crankcase sump to the oil tank.
-    * **It's not unusual to get air out the oil return line (to the tank).** ((aswracing of the xlforum ​http://​xlforum.net/​forums/showthread.php?​t=1468237)) \\ +    * **It's not unusual to get air out the oil return line (to the tank).** ((aswracing of the xlforum ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-motor-top-end/​135598-crankcase-pressure?​t=1468237)) \\ 
 It's a dry-sump system with an oil pump that's designed to keep the engine sump as dry as it can. \\  It's a dry-sump system with an oil pump that's designed to keep the engine sump as dry as it can. \\ 
 When there'​s no oil to suck up, it pumps air instead into the oil tank. That's the way it's supposed to work. \\ When there'​s no oil to suck up, it pumps air instead into the oil tank. That's the way it's supposed to work. \\
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 **However, there is also a vacuum on both the feed and return inlets that does most of the work bringing oil into the pump.** \\ **However, there is also a vacuum on both the feed and return inlets that does most of the work bringing oil into the pump.** \\
 It's an added part of the system once the pump starts turning (in addition to and with more force than gravity). \\ It's an added part of the system once the pump starts turning (in addition to and with more force than gravity). \\
-As the volume between the gears / gerotors increases (with engine RPM), the suction from them also increases. ((shanneba of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2073175&​page=3)) \\+As the volume between the gears / gerotors increases (with engine RPM), the suction from them also increases. ((shanneba of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​196615-over-sized-oil-lines/​page3?​t=2073175&​page=3)) \\
 Likewise, as the RPM lowers, the suction decreases. \\ Likewise, as the RPM lowers, the suction decreases. \\
  
 The opening action between the gears / gerotors as the cavities rotate apart creates a backdraft (or vacuum) on the incoming oil supply line. \\ The opening action between the gears / gerotors as the cavities rotate apart creates a backdraft (or vacuum) on the incoming oil supply line. \\
-The closing action between the gears / gerotors as the cavities rotate together creates pressure that pushes oil out the discharge side of the pump. ((Hippysmack of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2073175&​page=3)) \\+The closing action between the gears / gerotors as the cavities rotate together creates pressure that pushes oil out the discharge side of the pump. ((Hippysmack of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​196615-over-sized-oil-lines/​page3?​t=2073175&​page=3)) \\
  
 ===== Expected Engine Oil Pressure (1957-1985) ===== ===== Expected Engine Oil Pressure (1957-1985) =====
Line 253: Line 252:
 Normal riding conditions: 4-15 psi \\ Normal riding conditions: 4-15 psi \\
  
-**Note**: On a cold startup, expect pressure to reach ~60 psi ((IronMick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449)) \\+**Note**: On a cold startup, expect pressure to reach ~60 psi ((IronMick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449)) \\
  
 ===== Low Oil Pressure ===== ===== Low Oil Pressure =====
Line 287: Line 286:
  
 **Verify that the oil pressure switch is working properly**: \\ **Verify that the oil pressure switch is working properly**: \\
 +
 The oil pressure switch is a spring loaded diaphragm. \\ With insufficient pressure pushing against the spring mechanism, the switch is normally grounded. \\ The switch grounds the circuit to the engine to make the light come on. \\ With adequate oil pressure against the spring, the circuit contact is broken which turns off the oil light. \\ [[techtalk:​ih:​oil01#​oil_pressure_switch|See below for the functions and testing of the oil pressure switch]]. The oil pressure switch is a spring loaded diaphragm. \\ With insufficient pressure pushing against the spring mechanism, the switch is normally grounded. \\ The switch grounds the circuit to the engine to make the light come on. \\ With adequate oil pressure against the spring, the circuit contact is broken which turns off the oil light. \\ [[techtalk:​ih:​oil01#​oil_pressure_switch|See below for the functions and testing of the oil pressure switch]].
  
Line 311: Line 311:
   * There has been occasions where silicon (placed on the oil pump gasket during installation) had made it's way into orifices inside the engine. \\ You can blow compressed air thru oil inlet and outlets in the engine. \\ You can also blow out the oil lines.   * There has been occasions where silicon (placed on the oil pump gasket during installation) had made it's way into orifices inside the engine. \\ You can blow compressed air thru oil inlet and outlets in the engine. \\ You can also blow out the oil lines.
   * No oil to the top end (1957-1976):​   * No oil to the top end (1957-1976):​
-    * Make sure the rubber grommets on each end of the stock rocker feed lines are not partially plugging the ends of the rocker feed lines. \\ Then remove the allen-hex rocker spindle plug from the front exhaust rocker spindle, at the right-hand side of the rocker box. \\ Oil should come out there if you have flow with the engine running. ((Hopper of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522)) +    * Make sure the rubber grommets on each end of the stock rocker feed lines are not partially plugging the ends of the rocker feed lines. \\ Then remove the allen-hex rocker spindle plug from the front exhaust rocker spindle, at the right-hand side of the rocker box. \\ Oil should come out there if you have flow with the engine running. ((Hopper of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end?​t=831522)) 
-    * You can loosen or remove the 1/8" NPT pipe plug from the right side, front corner of each rocker cover. \\ With the engine at idle, you should get a small amount of oil plopping out (not shooting out like a fire hose). ((IronMick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1625333&​page=3)) +    * You can loosen or remove the 1/8" NPT pipe plug from the right side, front corner of each rocker cover. \\ With the engine at idle, you should get a small amount of oil plopping out (not shooting out like a fire hose). ((IronMick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​150025-losing-oil-pressure-when-warm/​page3?​t=1625333&​page=3)) 
-    * You can also use the same 1/8" plug hole to install a barb and clear hose to visually inspect for oil flow. \\ {{:​techtalk:​ih:​oil:​checking_for_oil_flow_at_the_rocker_box_by_chevelle.jpg?​direct&​300|}} ((photo by chevelle of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1625333&​page=2))+    * You can also use the same 1/8" plug hole to install a barb and clear hose to visually inspect for oil flow. \\ {{:​techtalk:​ih:​oil:​checking_for_oil_flow_at_the_rocker_box_by_chevelle.jpg?​direct&​300|}} ((photo by chevelle of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​150025-losing-oil-pressure-when-warm/​page2?​t=1625333&​page=2))
     * Check the pinion shaft to bushing clearance to the specs in the FSM. \\ If the fit is overly loose, this condition will not allow oil to be transferred up the lines at low speed. \\ Oil will just be bled out into the cam chest until RPM sends and over-runs more oil than can be spilled at the bushing.     * Check the pinion shaft to bushing clearance to the specs in the FSM. \\ If the fit is overly loose, this condition will not allow oil to be transferred up the lines at low speed. \\ Oil will just be bled out into the cam chest until RPM sends and over-runs more oil than can be spilled at the bushing.
-      * If the fit is out of spec, you'll need to replace the bushing. ((Hopper of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522&​highlight=crankcase+pressure))+      * If the fit is out of spec, you'll need to replace the bushing. ((Hopper of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end?​t=831522&​highlight=crankcase+pressure))
       * Then line ream it using a special reamer through an old right-hand crankcase half to use to guide to get it in square.       * Then line ream it using a special reamer through an old right-hand crankcase half to use to guide to get it in square.
-     * On 76< motors, it's best to eliminate that possibility before spending time and money yanking the engine out of the frame and inspecting the oil pump. \\ (and before spending money getting a new pinion bushing reamed with the special tooling etc.) ((Hopper of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522&​highlight=crankcase+pressure&​page=2)) ​+     * On 76< motors, it's best to eliminate that possibility before spending time and money yanking the engine out of the frame and inspecting the oil pump. \\ (and before spending money getting a new pinion bushing reamed with the special tooling etc.) ((Hopper of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end/​page2?​t=831522&​highlight=crankcase+pressure&​page=2)) ​
  
   * The oil pump could be weak or malfunctioning.   * The oil pump could be weak or malfunctioning.
   * 76< pumps:   * 76< pumps:
-    * If the pump shaft seal is blown, then the scavenge pump will continue to function because the pump pressure is higher than scavenge pressure. ((XLFREAK of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=831522&​highlight=crankcase+pressure&​page=4)) \\ So oil will flow from your pump down the shaft into the scavenge pump and goes back to the tank from there. \\ It's possible the pump got some trash in it and got scarred and now just doesn'​t pump very well. \\ It's a nasty job getting the thing off, made doubly nasty if you don't find anything wrong. \\ If you have an oil flow problem from the pump, you can either rebuild it or put a new one on just to make sure that this is not the problem. \\ If it isn't the pump, then start looking for leaks.+    * If the pump shaft seal is blown, then the scavenge pump will continue to function because the pump pressure is higher than scavenge pressure. ((XLFREAK of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​98031-suggestions-on-lack-of-oil-to-top-end/​page4?​t=831522&​highlight=crankcase+pressure&​page=4)) \\ So oil will flow from your pump down the shaft into the scavenge pump and goes back to the tank from there. \\ It's possible the pump got some trash in it and got scarred and now just doesn'​t pump very well. \\ It's a nasty job getting the thing off, made doubly nasty if you don't find anything wrong. \\ If you have an oil flow problem from the pump, you can either rebuild it or put a new one on just to make sure that this is not the problem. \\ If it isn't the pump, then start looking for leaks.
  
 **Remove and inspect the oil pump**. \\ **Remove and inspect the oil pump**. \\
Line 355: Line 355:
 This will keep the switch and the oil light inline and working if you need it. \\ This will keep the switch and the oil light inline and working if you need it. \\
  
-{{:​techtalk:​ih:​oil:​oil_pressure_gauge_1_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449)) {{:​techtalk:​ih:​oil:​oil_pressure_gauge_2_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449))+{{:​techtalk:​ih:​oil:​oil_pressure_gauge_1_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449)) {{:​techtalk:​ih:​oil:​oil_pressure_gauge_2_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449))
  
 ===== Crankcase Pressure ===== ===== Crankcase Pressure =====
Line 369: Line 369:
 With little to no (piston ring) blow-by and a check valve on the breather system; \\ With little to no (piston ring) blow-by and a check valve on the breather system; \\
 Crankcase pressure is essentially cycling between atmospheric and negative (pressures) as the pistons go down and back up. \\  Crankcase pressure is essentially cycling between atmospheric and negative (pressures) as the pistons go down and back up. \\ 
-(remember, due to the common crankpin 45 degree design, a Harley motor is a variable volume crankcase, unlike most motors) ((aswracing of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=59421&​page=27)) \\+(remember, due to the common crankpin 45 degree design, a Harley motor is a variable volume crankcase, unlike most motors) ((aswracing of the XLFORUM ​https://www.xlforum.net/​forum/vendors/​nrhs-high-performance/​33374-04s-and-up-and-oil-use/​page27?​t=59421&​page=27)) \\
  
 This creates splash oil which is bounced about in the crankcase. \\ This creates splash oil which is bounced about in the crankcase. \\
Line 438: Line 438:
 The oil light is important to have since if it is not working, it can be assumed that you have little to none oil flow to the engine. \\ The oil light is important to have since if it is not working, it can be assumed that you have little to none oil flow to the engine. \\
 If the pressure switch doesn'​t operate the light it should be checked for proper operation or replaced. \\ If the pressure switch doesn'​t operate the light it should be checked for proper operation or replaced. \\
-For the $30 or whatever you save by not buying the switch, it's just not worth it to not have the low engine pressure idiot light working. ((billeuze of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1185646&​page=3)) \\+For the $30 or whatever you save by not buying the switch, it's just not worth it to not have the low engine pressure idiot light working. ((billeuze of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​121221-76-ironhead-oil-line-help-with-photos/​page3?​t=1185646&​page=3)) \\
 If your motor is ready to run and you need to test it then you can connect a piece of clear hose so you can see oil in it. \\ Don't plug the end till you've primed the pump (with ignition off kick it over a few times until oil comes out the clear pipe where the pressure switch lives). \\ If your motor is ready to run and you need to test it then you can connect a piece of clear hose so you can see oil in it. \\ Don't plug the end till you've primed the pump (with ignition off kick it over a few times until oil comes out the clear pipe where the pressure switch lives). \\
 Replace a defective switch as soon as possible. \\ Replace a defective switch as soon as possible. \\
Line 514: Line 514:
 If the cam chest is holding pressure, then your breather valve can not be venting properly. \\ If the cam chest is holding pressure, then your breather valve can not be venting properly. \\
  
-Bottom line is that if the vent system is working properly, you shouldn'​t have excessive pressure build up in the oil tank. ((Deimus of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=87313)) \\+Bottom line is that if the vent system is working properly, you shouldn'​t have excessive pressure build up in the oil tank. ((Deimus of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-suspension-frame-forks-handlebars-fuel-tank-oil-tank-fenders/​40457-whoa-oil-tank-vomits-oil?t=87313)) \\
  
 ====== Changing / Draining Engine Oil ====== ====== Changing / Draining Engine Oil ======
Line 536: Line 536:
 XL / XLH models have an oil filter mounted inside the oil tank. \\ XL / XLH models have an oil filter mounted inside the oil tank. \\
  
-|  76 XLH filter in tank. ((photo by 4th of July of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=518192&​highlight=oil+bag+filter&​page=10)) ​ ||'​Drop in' oil filter. ((photo by Hopper of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=518192&​highlight=oil+bag+filter))|+|  76 XLH filter in tank. ((photo by 4th of July of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​74140-oil-change-101-%C2%96-engine-and-transmission-oil-change-pics/​page10?​t=518192&​highlight=oil+bag+filter&​page=10)) ​ ||'​Drop in' oil filter. ((photo by Hopper of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​74140-oil-change-101-%C2%96-engine-and-transmission-oil-change-pics?​t=518192&​highlight=oil+bag+filter))|
 |{{:​techtalk:​ih:​oil:​76_xlh_oil_tank_filter_1_by_4th_of_july.jpg?​direct&​300|}}|{{techtalk:​ih:​oil:​76_xlh_oil_tank_filter_2_by_4th_of_july.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​drop_in_oil_filter_for_pre-79_xlh_by_hopper.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​76_xlh_oil_tank_filter_1_by_4th_of_july.jpg?​direct&​300|}}|{{techtalk:​ih:​oil:​76_xlh_oil_tank_filter_2_by_4th_of_july.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​drop_in_oil_filter_for_pre-79_xlh_by_hopper.jpg?​direct&​300|}}|
  
Line 544: Line 544:
 However, an oil filter kit was debuted in 79 as an accessory item. \\ However, an oil filter kit was debuted in 79 as an accessory item. \\
 So some may have them and others may have not. \\ So some may have them and others may have not. \\
-Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1450626&​page=2)) \\+Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134584-oil-filter-thread-diameter-and-filter-size/​page2?​t=1450626&​page=2)) \\
  
 **----- 1980-1981 Models -----** **----- 1980-1981 Models -----**
Line 550: Line 550:
 The oil filter was relocated on 1980 and up models and they were fitted with an external oil filter. \\ The oil filter was relocated on 1980 and up models and they were fitted with an external oil filter. \\
 The filter mount is located on a bracket between the engine and the oil tank. \\ The filter mount is located on a bracket between the engine and the oil tank. \\
-It's under the seat in a awkward place to work with. ((MXHD55U of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2053271&​highlight=motor+mount+oil+filter&​page=3)) \\ +It's under the seat in a awkward place to work with. ((MXHD55U of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​192060-my-completely-original-1980-ironhead/​page3?​t=2053271&​highlight=motor+mount+oil+filter&​page=3)) \\ 
-Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1450626&​page=2)) \\+Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134584-oil-filter-thread-diameter-and-filter-size/​page2?​t=1450626&​page=2)) \\
  
-|  Wide angle of filter location ((photo by Dutch Bobber of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2072104&​highlight=oil+filter)) ​ |+|  Wide angle of filter location ((photo by Dutch Bobber of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​195705-ironhead-project?​t=2072104&​highlight=oil+filter)) ​ |
 |{{:​techtalk:​ih:​oil:​80-81_oil_filter_location_by_dutch_bobber.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​80-81_oil_filter_location_by_dutch_bobber.jpg?​direct&​300|}}|
  
-|Oil filter mount on 81 model. ((photos by motorhedmike of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2072078&​highlight=oil+filter+bracket)) \\ The hooked hose fitting is connected to the oil return hose from the pump. The straight hose fitting in the middle goes to the oil tank. ((drumbrake of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2072078&​highlight=oil+filter+bracket&​page=3))||||+|Oil filter mount on 81 model. ((photos by motorhedmike of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​195685-1981-basket-restomod-questions?​t=2072078&​highlight=oil+filter+bracket)) \\ The hooked hose fitting is connected to the oil return hose from the pump. The straight hose fitting in the middle goes to the oil tank. ((drumbrake of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​195685-1981-basket-restomod-questions/​page3?​t=2072078&​highlight=oil+filter+bracket&​page=3))||||
 |{{:​techtalk:​ih:​oil:​81_oil_filter_mount_1_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_2_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_3_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_4_by_motorhedmike.jpg?​direct&​200|}}| |{{:​techtalk:​ih:​oil:​81_oil_filter_mount_1_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_2_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_3_by_motorhedmike.jpg?​direct&​200|}}|{{:​techtalk:​ih:​oil:​81_oil_filter_mount_4_by_motorhedmike.jpg?​direct&​200|}}|
  
Line 563: Line 563:
 The filter mount is mounted on the lower left front engine mount. \\ The filter mount is mounted on the lower left front engine mount. \\
 This has also been a popular practice on earlier bikes. \\ This has also been a popular practice on earlier bikes. \\
-|  82-E84 lower front motor mount / filter mount. ((photos by DirtyCory of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1297584&​page=55)) ​ ||+|  82-E84 lower front motor mount / filter mount. ((photos by DirtyCory of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​127032-getting-this-78-back-to-the-way-it-should-be/​page55?​t=1297584&​page=55)) ​ ||
 |{{:​techtalk:​ih:​oil:​82-e84_motor_mount-oil_filter_mount_1_by_dirtycory.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​82-e84_motor_mount-oil_filter_mount_2_by_dirtycory.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​82-e84_motor_mount-oil_filter_mount_1_by_dirtycory.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​82-e84_motor_mount-oil_filter_mount_2_by_dirtycory.jpg?​direct&​300|}}|
-Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1450626&​page=2)) \\+Oil filter mounting threads are M16 x 1.5mm. ((waiteitei of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134584-oil-filter-thread-diameter-and-filter-size/​page2?​t=1450626&​page=2)) \\
  
-|Filter installed on an 80 XLH motor mount. ((photo by hscic of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2053271&​highlight=motor+mount+oil+filter&​page=45))|83 model. ((photo by 83XLX of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​page=22&​t=1592463))|+|Filter installed on an 80 XLH motor mount. ((photo by hscic of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​192060-my-completely-original-1980-ironhead/​page45?​t=2053271&​highlight=motor+mount+oil+filter&​page=45))|83 model. ((photo by 83XLX of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​146604-first-harley-1975-xl1000-caf%C3%A9-project/​page22?​page=22&​t=1592463))|
 |{{:​techtalk:​ih:​oil:​80_xlh_left_side_by_hscic.jpg?​direct&​300|}}|{{:​techtalk:​ref:​oil:​oil_cooler_on_83_model_by_83xlx.jpg?​direct&​200|}}| |{{:​techtalk:​ih:​oil:​80_xlh_left_side_by_hscic.jpg?​direct&​300|}}|{{:​techtalk:​ref:​oil:​oil_cooler_on_83_model_by_83xlx.jpg?​direct&​200|}}|
  
 **----- L1984-1985 Models -----** **----- L1984-1985 Models -----**
  
-The oil filter on alternator ironheads is where the generator used to be. ((SHAKY DAVE of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?p=5643382&​highlight=oil+filter+bracket#​post5643382)) \\+The oil filter on alternator ironheads is where the generator used to be. ((SHAKY DAVE of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​192457-oil-line-connecting-oil-filter-late-84/​page2?​highlight=oil+filter+bracket#​post4166360)) \\
 Two fittings (feed and return) are on the right case below the filter. \\ Two fittings (feed and return) are on the right case below the filter. \\
 Room was made there due to the new alternator location. \\ Room was made there due to the new alternator location. \\
Line 600: Line 600:
 ====== Crankcase Oil Strainer (1957-1976) ====== ====== Crankcase Oil Strainer (1957-1976) ======
  
-  * If you've split the cases and the screen is in good shape, you don't have to take it out. Hit it with some compressed air and see if it needs replacing. ((BuckIRyder of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=357456&​highlight=xlch+strainer)) ​+  * If you've split the cases and the screen is in good shape, you don't have to take it out. Hit it with some compressed air and see if it needs replacing. ((BuckIRyder of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​61381-crankcase-oil-strainer?​t=357456&​highlight=xlch+strainer)) ​
  
-{{:​techtalk:​ih:​engmech:​crankcase_oil_strainer_by_happy_bob.jpg?​direct&​400|}} ((photo by Happy Bob of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=357456&​highlight=xlch+strainer)) {{:​techtalk:​ih:​engmech:​oil_screen_on_75_model_by_betasom.jpg?​direct&​400|}} ((photo by betasom of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1856189)) \\ The strainer is held in place by this pin. It is staked into place with the two horizontal lines radiating from the it. To remove strainer, you must first remove the pin. Tear the screen from the strainer and place pliers on the pin inside (the now destroyed strainer) and wiggle the pin out. Strainers and strainer gaskets are available for replacement. ((Hillclimb68xlch of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=357456&​highlight=xlch+strainer))+{{:​techtalk:​ih:​engmech:​crankcase_oil_strainer_by_happy_bob.jpg?​direct&​400|}} ((photo by Happy Bob of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​61381-crankcase-oil-strainer?​t=357456&​highlight=xlch+strainer)) {{:​techtalk:​ih:​engmech:​oil_screen_on_75_model_by_betasom.jpg?​direct&​400|}} ((photo by betasom of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​173015-oil-metal-filter-remove?​t=1856189)) \\ The strainer is held in place by this pin. It is staked into place with the two horizontal lines radiating from the it. To remove strainer, you must first remove the pin. Tear the screen from the strainer and place pliers on the pin inside (the now destroyed strainer) and wiggle the pin out. Strainers and strainer gaskets are available for replacement. ((Hillclimb68xlch of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​61381-crankcase-oil-strainer?​t=357456&​highlight=xlch+strainer))
  
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