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techtalk:ih:oil05 [2023/03/08 05:07] hippysmack [Chain Oiler Parts] |
techtalk:ih:oil05 [2024/02/21 19:03] hippysmack removed |
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| ====== Engine Oil Routes ====== | ====== Engine Oil Routes ====== | ||
| - | {{:techtalk:ih:oil:1957-1976_sportster_oil_feed_and_return_path_by_hippysmack.png?direct&500|}} ((drawing by Hippysmack)) \\ | ||
| - | {{:techtalk:ih:oil:1977-1985_sportster_oil_feed_and_return_path_by_hippysmack.png?direct&450|}} ((drawing by Hippysmack)) \\ | ||
| ====== Right Crankcase Feed Galley ====== | ====== Right Crankcase Feed Galley ====== | ||
| - | |||
| The lifter oil feed galley is a hole located along the top of the case between both intake tappets. \\ | The lifter oil feed galley is a hole located along the top of the case between both intake tappets. \\ | ||
| Line 19: | Line 16: | ||
| * **This is the end point of static oil pump pressure to the top end**. \\ Gravity oil drains from the boxes thru the head / cylinder drains into the crankcase and down the pushrod tubes into the cam chest. \\ | * **This is the end point of static oil pump pressure to the top end**. \\ Gravity oil drains from the boxes thru the head / cylinder drains into the crankcase and down the pushrod tubes into the cam chest. \\ | ||
| - | | Oil feed on 76 XLCH ((photo by papphammar of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=401480&page=7)) | | + | | Oil feed on 76 XLCH ((photo by papphammar of the XLFORUM, annotated by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/64242-1976-rebuild/page7?t=401480&page=7)) | |
| |{{:techtalk:ih:oil:oil_feed_passages_on_76_xlch_by_papphammar.jpg?direct&300|}}| | |{{:techtalk:ih:oil:oil_feed_passages_on_76_xlch_by_papphammar.jpg?direct&300|}}| | ||
| + | |||
| ====== Top End Oiling ====== | ====== Top End Oiling ====== | ||
| ===== Rocker Arm / Valve Oiling ===== | ===== Rocker Arm / Valve Oiling ===== | ||
| - | | Rocker arm shaft. ((photo by jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1774605)) | Oil flow. ((photo by jmmarks70 of the XLFORUM - annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=1774605)) | Exhaust valve squirter. ((photo by jmmarks70 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1774605)) | | + | | Rocker arm shaft. ((photo by jmmarks70 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/164952-rocker-box-help?t=1774605)) | Oil flow. ((photo by jmmarks70 of the XLFORUM - annotated by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/164952-rocker-box-help?t=1774605)) | Exhaust valve squirter. ((photo by jmmarks70 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/164952-rocker-box-help?t=1774605)) | |
| |{{:techtalk:ih:oil:rocker_arm_shaft_1_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ih:oil:rocker_arm_shaft_2_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ih:oil:exhaust_rocker_arm_by_jmmarks70.jpg?direct&300|}}| | |{{:techtalk:ih:oil:rocker_arm_shaft_1_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ih:oil:rocker_arm_shaft_2_by_jmmarks70.jpg?direct&300|}}|{{:techtalk:ih:oil:exhaust_rocker_arm_by_jmmarks70.jpg?direct&300|}}| | ||
| + | |||
| ===== Rocker Box Oiling ===== | ===== Rocker Box Oiling ===== | ||
| Oil travels in a passage between the two rocker arm shafts (big end). \\ | Oil travels in a passage between the two rocker arm shafts (big end). \\ | ||
| Line 33: | Line 32: | ||
| Each hole is plugged off on the outside of the box. \\ | Each hole is plugged off on the outside of the box. \\ | ||
| - | | Front rocker box oiling. | Rocker Boxes on 69 model. ((photos by Arcturus of the XLFORUM http://xlforum.net/forums/showthread.php?t=1304674&page=11)) || | + | | Front rocker box oiling. | Rocker Boxes on 69 model. ((photos by Arcturus of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/127322-my-1969-ch-big-bore-stroker-build-thread/page11?t=1304674&page=11)) || |
| |{{:techtalk:ih:oil:71-85_rocker_box_oiling_by_sc72.jpg?direct&250|}}|{{:techtalk:ih:oil:69_rocker_boxes_1_by_arcturus.jpg?direct&300|}}|{{:techtalk:ih:oil:69_rocker_boxes_2_by_arcturus.jpg?direct&300|}}| | |{{:techtalk:ih:oil:71-85_rocker_box_oiling_by_sc72.jpg?direct&250|}}|{{:techtalk:ih:oil:69_rocker_boxes_1_by_arcturus.jpg?direct&300|}}|{{:techtalk:ih:oil:69_rocker_boxes_2_by_arcturus.jpg?direct&300|}}| | ||
| ====== Bottom End Oiling ====== | ====== Bottom End Oiling ====== | ||
| Line 42: | Line 41: | ||
| ===== Cam Cover \ Gasket ===== | ===== Cam Cover \ Gasket ===== | ||
| - | | 76 cam cover oiling paths. ((photo by papphammar of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=401480)) | | + | | 76 cam cover oiling paths. ((photo by papphammar of the XLFORUM, annotated by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/64242-1976-rebuild?t=401480)) | |
| |{{:techtalk:ih:oil:cam_cover_oil_path_by_papphammar.jpg?direct&300|}}| | |{{:techtalk:ih:oil:cam_cover_oil_path_by_papphammar.jpg?direct&300|}}| | ||
| Line 52: | Line 51: | ||
| If the vent line is kinked or blocked, pressure will back up in the tank and pop the cap and splash oil everywhere. \\ | If the vent line is kinked or blocked, pressure will back up in the tank and pop the cap and splash oil everywhere. \\ | ||
| - | | Oil tank vent fitting on 1973 XLH ((photo by Levi Luther of the XLFORUM http://xlforum.net/forums/showthread.php?t=1759261&page=9)) | | + | | Oil tank vent fitting on 1973 XLH ((photo by Levi Luther of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/163679-lets-see-where-this-leads-me-73-sporty-project-and-re-build/page9?t=1759261&page=9)) | |
| |{{:techtalk:ih:oil:1973_xlh_cam_cover_by_levi_luther.jpg?direct&300|}}| | |{{:techtalk:ih:oil:1973_xlh_cam_cover_by_levi_luther.jpg?direct&300|}}| | ||
| ====== Head Drainage ====== | ====== Head Drainage ====== | ||
| - | | Head drains on 83 XLX ((photo by spamer80 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2070501&page=8)) | | + | | Head drains on 83 XLX ((photo by spamer80 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194286-%6083-xlx-rebuid-and-questions-thread/page8?t=2070501&page=8)) | |
| |{{:techtalk:ih:oil:head_drains_on_1983_xlx_by_spamer80.jpg?direct&300|}}| | |{{:techtalk:ih:oil:head_drains_on_1983_xlx_by_spamer80.jpg?direct&300|}}| | ||
| Line 88: | Line 87: | ||
| Inspect the chain at regular service intervals (1000 miles) to see if it is getting enough oil or too much oil. \\ | Inspect the chain at regular service intervals (1000 miles) to see if it is getting enough oil or too much oil. \\ | ||
| To adjust the amount of oil given, loosen the lock nut (if used) on the fitting and turn the screw outward for more oil or inward for less oil. \\ | To adjust the amount of oil given, loosen the lock nut (if used) on the fitting and turn the screw outward for more oil or inward for less oil. \\ | ||
| - | Only turn the screw (move app 1/32" at a time) and tighten the locknut (if used) on the screw when done. ((72 Ironhead XLH of the XLFORUM http://xlforum.net/forums/showthread.php?t=349668) \\ | + | Only turn the screw (move app 1/32" at a time) and tighten the locknut (if used) on the screw when done. ((72 Ironhead XLH of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/60888-another-oil-line-chain-oiler-not-sure-help?t=349668) \\ |
| **Cleaning**: ((1957-1969 Sportster FSM pg 2B-4)) ((1970-1978 Sportsters FSM pg 2-2)) \\ | **Cleaning**: ((1957-1969 Sportster FSM pg 2B-4)) ((1970-1978 Sportsters FSM pg 2-2)) \\ | ||
| Line 107: | Line 106: | ||
| Then you'll need to oil the chain by other means (chain wax, other). \\ | Then you'll need to oil the chain by other means (chain wax, other). \\ | ||
| You can also run an alternate hose from the crankcase breather pipe back to oil the chain (mostly oil mist at best from the breather). \\ | You can also run an alternate hose from the crankcase breather pipe back to oil the chain (mostly oil mist at best from the breather). \\ | ||
| - | However, it is far better to use a good quality chain wax. It won't fling off all over the bike or rear tire. ((IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1559852)) \\ | + | However, it is far better to use a good quality chain wax. It won't fling off all over the bike or rear tire. ((IronMick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/143942-using-the-automatic-chain-oiler?t=1559852)) \\ |
| - | | 73-Up right case half ((photo by ironheadjunkie of the XLFORUM http://xlforum.net/forums/showthread.php?t=1421916&page=2)) | Chain oiler on 1976 XLCH ((photo by papphammar of the XLFORUM http://xlforum.net/forums/showthread.php?t=401480)) | | + | | 73-Up right case half ((photo by ironheadjunkie of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/132743-oil-line-routing/page2?t=1421916&page=2)) | Chain oiler on 1976 XLCH ((photo by papphammar of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/64242-1976-rebuild?t=401480)) | |
| |{{:techtalk:ih:engmech:right_case_half_24559-73_by_ironheadjunkie.jpg?direct&300|}}|{{:techtalk:ih:oil:chain_oiler_fitting_on_76_xlch_by_papphammar.jpg?direct&300|}}| | |{{:techtalk:ih:engmech:right_case_half_24559-73_by_ironheadjunkie.jpg?direct&300|}}|{{:techtalk:ih:oil:chain_oiler_fitting_on_76_xlch_by_papphammar.jpg?direct&300|}}| | ||
| Line 120: | Line 119: | ||
| When the bike is running, return oil spills into the red tube to supply the chain oiler fitting installed in the lower port. \\ | When the bike is running, return oil spills into the red tube to supply the chain oiler fitting installed in the lower port. \\ | ||
| This feeds chain only when the engine is running and doesn't leak when the bike is shut off. \\ | This feeds chain only when the engine is running and doesn't leak when the bike is shut off. \\ | ||
| - | {{:techtalk:ih:oil:l62-65_ch_oem_oil_tank_by_ted_b.jpg?direct&300|}} ((photo by Ted B of the XLFORUM, labeled by Dr Dick http://xlforum.net/forums/showthread.php?t=1894782)) \\ | + | {{:techtalk:ih:oil:l62-65_ch_oem_oil_tank_by_ted_b.jpg?direct&300|}} ((photo by Ted B of the XLFORUM, labeled by Dr Dick https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/176586-mystery-fitting-on-oil-tank-what-is-it?t=1894782)) \\ |
| - | | Chain Oiler Piping on 74 XLCH ((photo by K Beggs of the XLFORUM http://xlforum.net/forums/showthread.php?t=1506737)) | | + | | Chain Oiler Piping on 74 XLCH ((photo by K Beggs of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/138839-thoughts-opinions-ideas-on-this-oil-line?t=1506737)) | |
| |{{:techtalk:ih:oil:1974_xlh_chain_oiler_piping_by_k_beggs.jpg?direct&300|}} | | |{{:techtalk:ih:oil:1974_xlh_chain_oiler_piping_by_k_beggs.jpg?direct&300|}} | | ||
| \\ | \\ | ||
| - | ===== Chain Oiler and Parts Pics ===== | + | ==== Chain Oiler and Parts Pics ==== |
| **Chain Oiler Fittings**: \\ | **Chain Oiler Fittings**: \\ | ||
| Line 138: | Line 137: | ||
| **Chain Oiler Piping and Hoses** (oil source to oiler fitting): \\ | **Chain Oiler Piping and Hoses** (oil source to oiler fitting): \\ | ||
| - | | 1969-1971 XLH, 1970-1971 XLCH \\ chain oiler piping (63590-69) | | + | | 1967-1968 XLH Chain Oiler Pipe ((photo courtesy of Ebay seller, Robison Motorcycles [[ https://www.ebay.com/str/robisonmotorcycles?_trksid=p2047675.l2563 |Link to Ebay Store]] )) | 1969-1971 XLH, 1970-1971 XLCH \\ Chain Oiler Pipe (63590-69) ((photo courtesy of Ebay seller, animalhouse2010, [[https://www.ebay.com/str/animalhouse2010?_trksid=p2047675.l2563|Link to Ebay store:]] )) | 1972-1976 XL, XLH, XLCH \\ chain oiler pipe ((photo courtesy of TomsCyberShop.com www.TomsCyberShop.com)) | |
| - | |{{:techtalk:ih:oil:1969-1971_xlh_1970-1971_xlch_chain_oiler_pipe_63590-69_by_animalhouse2010.jpg?direct&300|}}| | + | |{{techtalk:ih:oil:1967-1968_xlh_front_chain_oiler_pipe_63590-67_by_robison_motorcycles.jpg?direct&300|}}|{{:techtalk:ih:oil:1969-1971_xlh_1970-1971_xlch_chain_oiler_pipe_63590-69_by_animalhouse2010.jpg?direct&300|}}|{{:techtalk:ih:oil:1972-1976_chain_oiler_pipe_63590-72_by_toms_cyber_shop.jpg?direct&300|}}| |
| \\ | \\ | ||
| **Chain Oiler Piping and Hoses** (oiler fitting to chain): \\ | **Chain Oiler Piping and Hoses** (oiler fitting to chain): \\ | ||
| - | | 1967-1971 XLH, 1970-1971 XLCH \\ chain oiler pipe ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | 1972-1976 XLH/XLCH \\ chain oiler pipe 63592-72A ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | | + | | 1967-1971 XLH, 1970-1971 XLCH \\ chain oiler pipe ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | 1972-1976 XLH/XLCH \\ chain oiler pipe 63592-72A ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) | |
| |{{:techtalk:ih:oil:1967-1971_xlh-_1970-1971_xlch_rear_chain_oiler_pipe_63592-67_by_jrsvintageharley1990.jpg?direct&300|}}|{{:techtalk:ih:oil:1972-1976_xlh-_xlch_chain_oiler_pipe_63592-72a_by_jrsvintageharley1990.jpg?direct&300|}}| | |{{:techtalk:ih:oil:1967-1971_xlh-_1970-1971_xlch_rear_chain_oiler_pipe_63592-67_by_jrsvintageharley1990.jpg?direct&300|}}|{{:techtalk:ih:oil:1972-1976_xlh-_xlch_chain_oiler_pipe_63592-72a_by_jrsvintageharley1990.jpg?direct&300|}}| | ||
| ===== Splash ===== | ===== Splash ===== | ||
| Line 167: | Line 166: | ||
| The scavenge slot is blocked off on the left side by the crankcase wall. \\ | The scavenge slot is blocked off on the left side by the crankcase wall. \\ | ||
| - | {{:techtalk:ih:engmech:cc_flow_1_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) {{:techtalk:ih:oil:transfer_valve_explained_5_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=3886388&postcount=40)) {{:techtalk:ih:oil:transfer_valve_2_by_ironheadjunkie.jpg?direct&300|}} ((photo by ironheadjunkie http://xlforum.net/forums/showthread.php?t=1495746)) \\ | + | {{:techtalk:ih:engmech:cc_flow_1_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) {{:techtalk:ih:oil:transfer_valve_explained_5_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79838-oil-transfer-valve/page3?postcount=40#post2847834)) {{:techtalk:ih:oil:transfer_valve_2_by_ironheadjunkie.jpg?direct&300|}} ((photo 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)) \\ |
| Oil is pushed by the pistons thru the slot into the right case where it gathers in the oil trap at the oil pump mount. \\ | Oil is pushed by the pistons thru the slot into the right case where it gathers in the oil trap at the oil pump mount. \\ | ||
| - | {{:techtalk:ih:engmech:cc_flow_7_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) {{:techtalk:ih:oil:oil_trap_in_right_case_2_by_the_frenchowl.jpg?direct&300|}} ((photo by thefrenchowl of the XLFORUM http://xlforum.net/forums/showthread.php?p=5834856#post5834856)) \\ | + | {{:techtalk:ih:engmech:cc_flow_7_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) {{:techtalk:ih:oil:oil_trap_in_right_case_2_by_the_frenchowl.jpg?direct&300|}} ((photo by thefrenchowl of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/200118-info-needed-on-mini-sumps/page2#post4417324)) \\ |
| Oil is picked up through the windows in the breather gear and slung into the gearcase and drained thru a strainer into the oil pump scavenge gears and sent back to the oil tank. \\ | Oil is picked up through the windows in the breather gear and slung into the gearcase and drained thru a strainer into the oil pump scavenge gears and sent back to the oil tank. \\ | ||
| - | {{:techtalk:ih:engmech:cc_flow_6_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) {{:techtalk:ih:engmech:cc_flow_8_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1204854&page=3)) \\ | + | {{:techtalk:ih:engmech:cc_flow_6_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) {{:techtalk:ih:engmech:cc_flow_8_by_dr_dick.jpg?direct&300|}} ((photo by Dr Dick of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/122424-breather-diagrams/page3?t=1204854&page=3)) \\ |
| ==== '77 and Later Cases ==== | ==== '77 and Later Cases ==== | ||
| - | The "drain plug" on the bottom of the case is simply a threaded plug that caps the oil scavenging passageway. ((bobbystat of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) \\ | + | The "drain plug" on the bottom of the case is simply a threaded plug that caps the oil scavenging passageway. ((bobbystat of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/181232-the-simple-purpose-of-the-case-drain-plug?t=1950691)) \\ |
| However, it's not really a drain but rather a plug in a machined oil passage. \\ | However, it's not really a drain but rather a plug in a machined oil passage. \\ | ||
| The MoCo drilled from the bottom of the case to the horizontal oil passage in the gearcase. \\ | The MoCo drilled from the bottom of the case to the horizontal oil passage in the gearcase. \\ | ||
| Line 194: | Line 194: | ||
| {{:techtalk:ih:oil:77-85_oil_pump_oiling_paths_by_ironheadjunkie.jpg?direct&300|}} | {{:techtalk:ih:oil:77-85_oil_pump_oiling_paths_by_ironheadjunkie.jpg?direct&300|}} | ||
| - | | Scavenge passage on 77 engines ((photos by bobbystat of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) ||| | + | | Scavenge passage on 77 engines ((photos by bobbystat of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/181232-the-simple-purpose-of-the-case-drain-plug?t=1950691)) ||| |
| |{{techtalk:ih:oil:1977_case_drain_plug_1_by_bobbystat.jpg?direct&300|}}|{{techtalk:ih:oil:1977_case_drain_plug_2_by_bobbystat.jpg?direct&300|}}|{{:techtalk:ih:oil:77_and_up_case_scavenging_by_bobbystat.jpg?direct&300|}}| | |{{techtalk:ih:oil:1977_case_drain_plug_1_by_bobbystat.jpg?direct&300|}}|{{techtalk:ih:oil:1977_case_drain_plug_2_by_bobbystat.jpg?direct&300|}}|{{:techtalk:ih:oil:77_and_up_case_scavenging_by_bobbystat.jpg?direct&300|}}| | ||
| - | |||
| ===== Gravity ===== | ===== Gravity ===== | ||
| - | |||
| - | |||
| - | |||
| \\ | \\ | ||
