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techtalk:ref:oil10 [2019/06/21 03:33] hippysmack [aswracing on rubbermount wetsumping:] |
techtalk:ref:oil10 [2019/06/21 03:59] hippysmack [Clearing the Sump of Excess Oil] |
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| Acceleration is hampered until the oil clears the crank area. \\ | Acceleration is hampered until the oil clears the crank area. \\ | ||
| - | **Known causes of wet sumping**: \\ | + | **Known causes of wet sumping during engine down time**: \\ |
| + | This is simply oil from the tank draining slowly back down into the crankcase while the bike is parked for any length of time. ((Hopper of the XLFORUM http://xlforum.net/forums/showthread.php?t=518948&highlight=cam+chest+breather)) \\ | ||
| + | When you start the engine, the excess oil in the crankcase is fired out the breather, onto the floor, (or into your air-filter on post-79 models). \\ | ||
| * **Oil Pump**: | * **Oil Pump**: | ||
| * Worn / damaged oil pump scavenge gears or gerotors (respectively). \\ The oil pump can't return as much oil to the oil tank as it is receiving from the feed side of the pump. | * Worn / damaged oil pump scavenge gears or gerotors (respectively). \\ The oil pump can't return as much oil to the oil tank as it is receiving from the feed side of the pump. | ||
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| |{{:techtalk:evo:oil:l87-90_check_ball_and_spring_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:l87-90_check_ball_and_spring_5_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:l87-90_check_ball_and_spring_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:l87-90_check_ball_and_spring_5_by_hippysmack.jpg?direct&300|}}| | ||
| + | **Known causes of wet sumping during engine operation**: \\ | ||
| * **Oil Line(s)**: | * **Oil Line(s)**: | ||
| * An oil may be pinched / collapsed, or stopped up. \\ A blockage in the return line will not allow the scavenge pump to remove the oil from the sump or move it out fast enough to keep up with feed oil from the pump. | * An oil may be pinched / collapsed, or stopped up. \\ A blockage in the return line will not allow the scavenge pump to remove the oil from the sump or move it out fast enough to keep up with feed oil from the pump. | ||
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| |1986-90 Oil Filter Mount ((photo Hippysmack of the XLFORUM))| | |1986-90 Oil Filter Mount ((photo Hippysmack of the XLFORUM))| | ||
| |{{:techtalk:evo:oil:86-90_oil_pressure_regulator_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_pressure_regulator_by_hippysmack.jpg?direct&300|}}| | ||
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| Related articles in the Sportsterpedia: \\ | Related articles in the Sportsterpedia: \\ | ||
| .........* [[techtalk:ref:oil01a#refoiling_lubrication_-_sub-01a|Performing a Scavenging Oil Change]] \\ | .........* [[techtalk:ref:oil01a#refoiling_lubrication_-_sub-01a|Performing a Scavenging Oil Change]] \\ | ||
| - | .........* [[techtalk:ih:engmech01b|Ironhead Drain Plugs]] \\ | + | .........* [[techtalk:ref:oil01#sportster_drain_plugs_explained|Sportster Drain Plugs Explained]] \\ |
| * The oil should stop puking after the engine runs a few minutes and pumps the excess oil back up into the tank. | * The oil should stop puking after the engine runs a few minutes and pumps the excess oil back up into the tank. | ||
