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techtalk:ih:oil05 [2023/03/07 03:07] hippysmack [Rear Chain Oiler (57-76)] |
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 80: | Line 79: | ||
| **Adjusting Screw**: | **Adjusting Screw**: | ||
| - | * **1953-1956 K Models / 1957-E1960 XLH**: \\ Original adjuster screw# (63610-53) w/ brass #10-32 x 3/16" x 3/8" washer (6156) and a #10-32 x 3/16" x 3/8" plain hex nut (7630) to tighten up the screw. \\ Original screw was replaced by (63610-53A) in L1960 and replaced again by (63610-70) in 1971. \\ | + | * **1953-1956 K Models / 1957-E1960 XLH**: \\ Original hex head CAD adjuster screw# (63610-53). \\ Original screw was replaced by hex head screw (63610-53A) in L1960 and replaced again by (63610-70) in 1971. \\ Original "plain" #10-32 x 3/16" x 3/8" washer (6156) turned into a brass washer at some point in time. \\ But the part number stayed the same for the washer. \\ It had a #10-32 x 3/16" x 3/8" hex nut (7630) to tighten up the screw. |
| - | * **1958-1969 XLCH**: \\ Original adjuster screw was included with the oiler fitting (at the oil tank). \\ A Chain Oiler Screw Kit (26383-32) was available for parts order, in 1963, to replace the existing adjuster screw. \\ The screw kit contains a new fillister head screw, washer and 4 extra thin washers. \\ The HD "Genuine" accessories replacement fitting has the 3/8" hex head screw. | + | * **1958-1969 XLCH**: \\ Original adjuster screw was included with the oiler fitting (at the oil tank). \\ A Chain Oiler Screw Kit (26383-32) was available for parts order in 1963 to replace the existing adjuster screw. \\ The screw kit contains a parkerized fillister head screw, (1) thick washer and (4) extra thin washers. \\ The HD "Genuine" accessories replacement fitting has a 3/8" hex head screw. \\ The screw was replaced by (63610-70) in the 1971 parts catalog. |
| - | * **L1960-1970 XLH / 1970 XLCH**: \\ Fillister head adjuster screw# (63610-53A) with no washer and a plain #10-32 x 3/16" x 3/8" hex nut (7630) to tighten up the screw. \\ Original nut was replaced by a #10-32 x 3/16" x 3/8" hex nylock nut (7626W) in 1965. \\ Original screw was replaced by (63610-70) in 1971. | + | * **L1960-1970 XLH / 1970 XLCH**: \\ Hex head CAD adjuster screw# (63610-53A) with no washer and a plain #10-32 x 3/16" x 3/8" hex nut (7630) to tighten up the screw. \\ Original nut was replaced by a #10-32 x 3/16" x 3/8" hex nylock nut (7626W) in 1965. \\ Original screw was replaced by (63610-70) in 1970. |
| - | * **1971-1976 XLH/XLCH**: \\ Hex head adjuster screw# (63610-70) with no washer and a #10-32 x 3/16" x 3/8" hex nylock nut (7626W) to tighten up the screw. | + | * **1971-1976 XLH/XLCH**: \\ Hex head CAD adjuster screw# (63610-70). Screw looks identical to the -53A screw but it has added lockpatch on the threads. \\ Some HD Genuine replacement screws come with a #10-32 nylock nut to tighten up the screw. \\ Others only come with the screw itself. \\ This may be the reason for the verbiage in the FSM stating to tighten the nut (if used). |
| **Adjustment**: ((1957-1969 Sportster FSM pg 2B-3)) ((1970-1978 Sportsters FSM pg 2-2)) \\ | **Adjustment**: ((1957-1969 Sportster FSM pg 2B-3)) ((1970-1978 Sportsters FSM pg 2-2)) \\ | ||
| 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 Parts ===== | + | ==== Chain Oiler and Parts Pics ==== |
| **Chain Oiler Fittings**: \\ | **Chain Oiler Fittings**: \\ | ||
| + | | 1958-1969 XLC-XLCH \\ Chain Oiler Fitting 63601-54 ((photo courtesy of belmonthd, [[https://www.ebay.com/str/belmonthd?_trksid=p2047675.m3561.l2563|Link to Ebay Store]] )) | | ||
| + | |{{:techtalk:ih:oil:1958-1969_xlc-xlch_chain_oiler_fitting_63601-54_by_belmonthd.jpg?direct&300|}}| | ||
| | 1967-E1972 XLH, 1970-E1972 XLCH \\ Chain Oiler Fitting (63595-67) | L1972-1976 XLH/XLCH \\ Chain Oiler Fitting (63595-72) ((photos courtesy of Ebay seller, Rusty Dusty Motorcycle Parts. [[https://www.ebay.com/str/bialystreasures|Link to Ebay Store]] )) | | | 1967-E1972 XLH, 1970-E1972 XLCH \\ Chain Oiler Fitting (63595-67) | L1972-1976 XLH/XLCH \\ Chain Oiler Fitting (63595-72) ((photos courtesy of Ebay seller, Rusty Dusty Motorcycle Parts. [[https://www.ebay.com/str/bialystreasures|Link to Ebay Store]] )) | | ||
| Line 136: | 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 165: | 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 192: | 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 ===== | ||
| - | |||
| - | |||
| - | |||
| \\ | \\ | ||
