Differences
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techtalk:evo:oil01f [2024/02/01 03:42] hippysmack created |
techtalk:evo:oil01f [2024/02/02 23:46] (current) hippysmack [Gravity] |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== EVO: Oiling & Lubrication - Sub-01A ====== | + | ====== EVO: Oiling & Lubrication - Sub-01F ====== |
| ====== Drain Oil Passages Through Pics ====== | ====== Drain Oil Passages Through Pics ====== | ||
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| |{{:techtalk:evo:oil:04_rocker_box_drains_into_cam_chest_wall_1_by_dieselvette.jpg?direct&300|}}|{{:techtalk:evo:oil:04_rocker_box_drains_into_cam_chest_wall_2_by_dieselvette.jpg?direct&300|}}| | |{{:techtalk:evo:oil:04_rocker_box_drains_into_cam_chest_wall_1_by_dieselvette.jpg?direct&300|}}|{{:techtalk:evo:oil:04_rocker_box_drains_into_cam_chest_wall_2_by_dieselvette.jpg?direct&300|}}| | ||
| + | * __**Drainage**__ | ||
| + | * Oil collected in the crankcase sump is passage-routed to the scavenger side of the oil pump. \\ (by pressure generated by the downward stroke of the pistons and the scavenging effect of the pump) \\ Sump oil is collected by the pump at the 'ladle, half spoon, duck bill' protruding from the back of it where oil drops onto the scavenge gerotors.. ((https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/187300-how-to-clear-a-sump-full-of-oil/page3?postid=5473151#post4009969)) | ||
| + | * Oil collected in the gearcase / cam chest is routed to a drain port in the top of the oil pump where it drops down onto the scavenge gerotors. | ||
| + | * Return oil fills a cavity above the pump's return gears from these dual inlets and pumps the oil back into the oil tank. | ||
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| + | * Below is the case drain for a 98 engine. ((aswracing of the XLFORUM https://www.xlforum.net/forum/buell-motorcycle-forum/buell-motorcycle-general-discussion-and-problems/140238-96-buell-s1-engine-problems-need-help/page3?t=1520811&highlight=oil+pump&page=3)) | ||
| + | * It's also a rifling hole drilled to connect the sump drain to the oil pump scavenge galley. | ||
| + | * It could be plugged with a treaded pipe plug or a freeze plug. | ||
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| + | | Case drain / rifling hole for sump drain ((photo by Steelworker of the XLFORUM https://www.xlforum.net/forum/buell-motorcycle-forum/buell-motorcycle-general-discussion-and-problems/140238-96-buell-s1-engine-problems-need-help/page3?t=1520811&highlight=oil+pump&page=3)) | Rifling hole is on the back side of hole on the right. ((photo by WestJC7745 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/183128-1995-xlh1200?t=1971672))| | ||
| + | |{{:techtalk:evo:oil:98_oil_galley_rifling_hole_by_steelworker.jpg?direct&300|}}|{{:techtalk:evo:oil:95_right_case_half_by_westjc7745.jpg?direct&300|}}| | ||
| + | | 04 and up oil scavenge path ((photo by meherdad_it of the XLFORUM, cropped & labeled by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/105751-installing-the-90-nrhs/page2?t=944843&page=2)) | 04_up sump drain plug. ((photo by Bored now of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/efi-sportster-motorcycle-talk-2007-and-up/195584-oil-tank-building-presure-blew-out-dip-stick/page2?t=2071954&highlight=oil+tank+pressure&page=2)) | | ||
| + | |{{:techtalk:evo:oil:04-up_oil_scavenge_path_by_meherdad_it.jpg?direct&300|}}|{{:techtalk:evo:oil:04_up_sump_drain_plug_by_bored_now.jpg?direct&300|}}| | ||
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