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| techtalk:ref:oil05h [2019/08/17 15:57] – [norseXL's 1986 Engine Oiling Mods] hippysmack | techtalk:ref:oil05h [2023/12/23 02:45] (current) – [REF: Oiling & Lubrication - Sub-05G] hippysmack |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] |
| ====== REF: Oiling & Lubrication - Sub-05G ====== | ====== REF: Oiling & Lubrication - Sub-05H ====== |
| ====== norseXL's 1986 Engine Oiling Mods ====== | ====== norseXL's 1986 Engine Oiling Mods ====== |
| Article by norseXL of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=1386341)) \\ | Article by norseXL of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) \\ |
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| Normally, when the oil pressure regulator opens to purge excess pressure from the filter pad, the oil is routed thru a hole in the pad and into the gearcase. \\ | Normally, when the oil pressure regulator opens to purge excess pressure from the filter pad, the oil is routed thru a hole in the pad and into the gearcase. \\ |
| The regulator can open at various times and even get stuck in the open position while continuously dumping feed oil before it goes into the motor. \\ | The regulator can open at various times and even get stuck in the open position while continuously dumping feed oil before it goes into the motor. \\ |
| See also [[techtalk:ref:oil05e|86-90 Oil Filter Mount Mods]] in the Sportsterpedia. \\ | See also [[techtalk:ref:oil05e|1986-1990 Oil Filter Mount Mods]] in the Sportsterpedia. \\ |
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| With this mod, you can render the affects of the pressure regulator inoperative while leaving the plunger and spring in place in the filter pad. | With this mod, you can render the affects of the pressure regulator inoperative while leaving the plunger and spring in place in the filter pad. |
| Tapping the discharge hole is another way of getting the excess oil back to the tank without running it through the engine first. \\ | Tapping the discharge hole is another way of getting the excess oil back to the tank without running it through the engine first. \\ |
| The rear discharge hole was plugged and the side of the discharge hole was tapped with an 1/8" nipple. \\ | The rear discharge hole was plugged and the side of the discharge hole was tapped with an 1/8" nipple. \\ |
| A hole was drilled into the top of the mount behind the internal cavities for a hose to run from there straight to the oil tank cap. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1458269&page=2)) \\ | A hole was drilled into the top of the mount behind the internal cavities for a hose to run from there straight to the oil tank cap. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) \\ |
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| With the cases apart, the vent / splash holes to the cam chest were enlarged and ported. \\ | With the cases apart, the vent / splash holes to the cam chest were enlarged and ported. \\ |
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| | Oil pressure regulator blocked off. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341)) | Vent holes widened (inside and outside views). ((photos by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341)) || | | Oil pressure regulator blocked off. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) | Vent holes widened (inside and outside views). ((photos by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) || |
| |{{:techtalk:ref:oil:86-90_oil_filter_mount_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:widened_vent-splash_holes_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:widened_vent-splash_holes_2_by_norsexl.jpg?direct&300|}}| | |{{:techtalk:ref:oil:86-90_oil_filter_mount_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:widened_vent-splash_holes_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:widened_vent-splash_holes_2_by_norsexl.jpg?direct&300|}}| |
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| The umbrella valve in the cam cover was removed and a larger hose fitting was added to use a reed valve for crankcase breathing instead. \\ | The umbrella valve in the cam cover was removed and a larger hose (3/4") fitting was added to use a reed valve for crankcase breathing instead. \\ |
| | About a foot of 3/4" hose was run to a reed-valve outside the engine. \\ |
| | the theory is that the larger ID on the hose slows the air speed to keep oil mist from being flinging out. \\ |
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| A windage tray was made with a 2mm thick aluminum plate to also act as a flywheel scraper. \\ | A windage tray was made with a 2mm thick aluminum plate to also act as a flywheel scraper. \\ |
| The front part was bent toward the fly-wheels after the pic below was taken. ((norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1833647)) \\ | The front part was bent toward the fly-wheels after the pic below was taken. ((norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/170871-flywheel-scraper-windage-kits?t=1833647)) \\ |
| The bolts are secured with Loctite (2701). \\ | The bolts are secured with Loctite (2701). \\ |
| | See more on [[techtalk:ref:engmech01s|Windage Trays]] in the Sportsterpedia. \\ |
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| | Reed valve. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341)) | Homemade windage tray. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341)) | | | Reed valve. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) | Fitting replaced for larger 3/4" hose. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/134422-~grinds~-hammer-performance-1250-build/page84?highlight=deimus#post3052117)) | Homemade windage tray. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling?t=1386341)) | |
| |{{:techtalk:ref:oil:reed_valve_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:homemade_windage_tray_by_norsexl.jpg?direct&300|}}| | |{{:techtalk:ref:oil:reed_valve_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:engmech:larger_hose_connection_from_cam_chest_vent_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:homemade_windage_tray_by_norsexl.jpg?direct&300|}}| |
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| Cam box oil routing was also modified. \\ | Cam box oil routing was also modified. \\ |
| Also an external drain was plumbed from the cam chest to the crankcase (under the windage-plate). \\ | Also an external drain was plumbed from the cam chest to the crankcase (under the windage-plate). \\ |
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| | Cam floor drain tube. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341&page=2)) | Lowering cam box drainage. ((photo by norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1386341&page=2)) | | | Cam floor drain tube. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling/page2?t=1386341&page=2)) | Lowering cam box drainage. ((photo by norseXL of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/131026-my-mods-to-venting-and-oiling/page2?t=1386341&page=2)) | |
| |{{:techtalk:ref:oil:lowering_oil_level_in_cam_box_floor_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:external_cam_floor_drain_by_norsexl.jpg?direct&300|}}| | |{{:techtalk:ref:oil:lowering_oil_level_in_cam_box_floor_by_norsexl.jpg?direct&300|}}|{{:techtalk:ref:oil:external_cam_floor_drain_by_norsexl.jpg?direct&300|}}| |
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