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techtalk:ref:oil05e [2019/03/16 07:04] hippysmack [Considerations] |
techtalk:ref:oil05e [2023/12/23 01:03] hippysmack |
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* [[techtalk:ref:genmsr11|Cutting Oils, Soaking Oils and Lubes]] | * [[techtalk:ref:genmsr11|Cutting Oils, Soaking Oils and Lubes]] | ||
- | * [[techtalk:ref:svcproc40#general_drilling_and_tapping|General Drilling and Tapping]] | + | * [[techtalk:ref:tools030#general_drilling_and_tapping|General Drilling and Tapping]] |
* [[techtalk:evo:oil01a#oil_filter_pad|86-90 Oil Filter Mount Parts, Specs and Dims]] | * [[techtalk:evo:oil01a#oil_filter_pad|86-90 Oil Filter Mount Parts, Specs and Dims]] | ||
| 86-90 Oil Filter Pad ((photos by Hippysmack)) ||| | | 86-90 Oil Filter Pad ((photos by Hippysmack)) ||| | ||
|{{:techtalk:evo:oil:86-90_oil_pressure_regulator_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_dims_1.1_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_pressure_regulator_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_2_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_dims_1.1_by_hippysmack.jpg?direct&300|}}| | ||
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====== Oil Pressure Regulator ====== | ====== Oil Pressure Regulator ====== | ||
The oil pressure regulator in the 86-90 pump can malfunction from time to time. \\ | The oil pressure regulator in the 86-90 pump can malfunction from time to time. \\ | ||
Having the regulator open prematurely is not optimal since you want full oiling capacity at all times (i.e. at hot engine idle). | Having the regulator open prematurely is not optimal since you want full oiling capacity at all times (i.e. at hot engine idle). | ||
Reports of the valve leaking in the closed position and age on the regulator spring weakening it have prompted some to block the regulator off entirely. \\ | Reports of the valve leaking in the closed position and age on the regulator spring weakening it have prompted some to block the regulator off entirely. \\ | ||
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Below are some mods to accomplish this if so desired. \\ | Below are some mods to accomplish this if so desired. \\ | ||
===== Rendering the oil pressure regulator inoperable ===== | ===== Rendering the oil pressure regulator inoperable ===== | ||
- | The regulator valve is suppose to keep the oil pressure from getting too high. ((norseXL of the XLFORUM http://xlforum.net/forums/showthread.php?t=1679433)) \\ | + | The regulator valve is suppose to keep the oil pressure from getting too high. ((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/156934-1986-1990-oil-filter-mount?t=1679433)) \\ |
See more on the [[techtalk:evo:oil01#oil_pressure_regulator_-_1986-1991_models_only|Oil Pressure Regulator]] in the Evo section of the Sportsterpedia. \\ | See more on the [[techtalk:evo:oil01#oil_pressure_regulator_-_1986-1991_models_only|Oil Pressure Regulator]] in the Evo section of the Sportsterpedia. \\ | ||
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This will render the plunger inoperable as there will now be too much oil pressure needed to overcome the increased spring pressure. | This will render the plunger inoperable as there will now be too much oil pressure needed to overcome the increased spring pressure. | ||
- | {{:techtalk:ref:oil:86-90_oil_pressure_relief_spring_replacement_by_wi_duker.jpg?direct&300|}} ((photo by WI_duker of the XLFORUM http://xlforum.net/forums/showthread.php?t=1971026&highlight=oil+filter+mount&page=9)) | + | {{:techtalk:ref:oil:86-90_oil_pressure_relief_spring_replacement_by_wi_duker.jpg?direct&300|}} ((photo by WI_duker 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/183021-1986-90-evo-sportsters-what-every-owner-should-know-but-were-afraid-to-ask/page9?t=1971026&highlight=oil+filter+mount&page=9)) |
**This mod is reversible**: \\ | **This mod is reversible**: \\ | ||
Simply replace the 2" spring with a new OEM replacement. \\ | Simply replace the 2" spring with a new OEM replacement. \\ | ||
+ | |||
===== Blocking off the Oil Pressure Regulator ===== | ===== Blocking off the Oil Pressure Regulator ===== | ||
Normally, when the 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 regulator opens to purge excess pressure from the filter pad, the oil is routed thru a hole in the pad and into the gearcase. \\ | ||
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This will shut (or plug) off the pressure regulating valve. This puts the oiling system in the same unregulated state as the 92-and-up sportsters. \\ | This will shut (or plug) off the pressure regulating valve. This puts the oiling system in the same unregulated state as the 92-and-up sportsters. \\ | ||
- | | Hole drilled, tapped 1/8" NPS and plugged with an 1/8"x27 NPT aluminum allen head plug. Pre-drill hole size for an 1/8"x27 tap is 11/32". ((photos by Jorgen of the XLFORUM http://xlforum.net/forums/showthread.php?t=1619616&highlight=jorgen+oil+pump&page=42)) ||| | + | | Hole drilled, tapped 1/8" NPS and plugged with an 1/8"x27 NPT aluminum allen head plug. Pre-drill hole size for an 1/8"x27 tap is 11/32". ((photos by Jorgen of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/149281-124-1993-xlh-build-thread/page42?t=1619616&highlight=jorgen+oil+pump&page=42)) ||| |
|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_1_by_joergen.jpg?direct&300|}}|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_2_by_joergen.jpg?direct&300|}}|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_3_by_joergen.jpg?direct&300|}}| | |{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_1_by_joergen.jpg?direct&300|}}|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_2_by_joergen.jpg?direct&300|}}|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_3_by_joergen.jpg?direct&300|}}| | ||
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===== Routing the Regulator Discharge to the Oil Tank ===== | ===== Routing the Regulator Discharge to the Oil Tank ===== | ||
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This is a way to preserve the function of removing excess oil pressure from the filter pad and keep the gearcase safe from over oiling from the practice. \\ | This is a way to preserve the function of removing excess oil pressure from the filter pad and keep the gearcase safe from over oiling from the practice. \\ | ||
- | The bypass oil from the regulator is oil that is not being put to use in the pressure side anyway. ((maru of the XLFORUM http://xlforum.net/forums/showthread.php?t=1458269&page=3)) \\ | + | The bypass oil from the regulator is oil that is not being put to use in the pressure side anyway. ((maru of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/135020-88-puking-oil/page3?t=1458269&page=3)) \\ |
This mod has to be done in conjunction with blocking off the regulator discharge as in above. \\ | This mod has to be done in conjunction with blocking off the regulator discharge as in above. \\ | ||
Else the excess pressure will still be dumped into the gearcase. \\ | Else the excess pressure will still be dumped into the gearcase. \\ | ||
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The excess pressure (bypass oil) is diverted directly back to tank via the oil pump return line or straight to the oil tank. \\ | The excess pressure (bypass oil) is diverted directly back to tank via the oil pump return line or straight to the oil tank. \\ | ||
(not to the gearcase or the sump) \\ | (not to the gearcase or the sump) \\ | ||
==== Tapping the Regulator Plug ==== | ==== Tapping the Regulator Plug ==== | ||
- | |||
An extra hose is installed into the plug (737) and plumbed into the return hose near the oil pump with a "Y" coupling. \\ | An extra hose is installed into the plug (737) and plumbed into the return hose near the oil pump with a "Y" coupling. \\ | ||
- | The clear hose in the picture below is only a temporary line to monitor the oil level in the sump during dyno testing. ((photo by Jorgen of the XLFORUM http://xlforum.net/forums/showthread.php?t=1619616&highlight=jorgen+oil+pump&page=47)) \\ | + | The clear hose in the picture below is only a temporary line to monitor the oil level in the sump during dyno testing. ((photo by Jorgen of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/149281-124-1993-xlh-build-thread/page47?t=1619616&highlight=jorgen+oil+pump&page=47)) \\ |
|{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_6_by_joergen.jpg?direct&300|}}| | |{{:techtalk:ref:oil:86-90_oil_filter_pad_mod_6_by_joergen.jpg?direct&300|}}| | ||
- | In addition, the plunger was seat was tapered (not necessary to this mod however). ((photos by Jorgen of the XLFORUM http://xlforum.net/forums/showthread.php?t=1619616&highlight=jorgen+oil+pump&page=47)) \\ | + | In addition, the plunger was seat was tapered (not necessary to this mod however). ((photos by Jorgen of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-engine-conversions/149281-124-1993-xlh-build-thread/page47?t=1619616&highlight=jorgen+oil+pump&page=47)) \\ |
Drill and tap the plug (1/8"x27 NPSC) for an 1/8"x27 NPT reducing 90° fitting. Pre-drill hole size is 11/32". \\ | Drill and tap the plug (1/8"x27 NPSC) for an 1/8"x27 NPT reducing 90° fitting. Pre-drill hole size is 11/32". \\ | ||
(the hole in the plug has also been tapered in the pic below, nice but not necessary for this mod) \\ | (the hole in the plug has also been tapered in the pic below, nice but not necessary for this mod) \\ | ||
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==== Tapping the Discharge Hole ==== | ==== Tapping the Discharge Hole ==== | ||
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This is another way of getting the excess oil back to the tank without running it through the engine first. \\ | This 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 and 1/8" nipple. \\ | The rear discharge hole was plugged and the side of the discharge hole was tapped with and 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-motor-engine/sportster-motorcycle-engine-conversions/135020-88-puking-oil/page2?t=1458269&page=2)) \\ | ||
+ | |{{:techtalk:ref:oil:86-90_oil_filter_mount_by_norsexl.jpg?direct&300|}}| | ||
- | |{{:techtalk:ref:oil:86-90_oil_filter_mount_by_norsexl.jpg?direct&300|}}| | ||
====== Convert to a L84-85 Filter Pad ====== | ====== Convert to a L84-85 Filter Pad ====== | ||
The oil filter on 85 and prior engines was placed in the return side of the oil system. \\ | The oil filter on 85 and prior engines was placed in the return side of the oil system. \\ | ||
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|{{:techtalk:ih:oil:l84-85_oil_filter_mount_7_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:l84-85_oil_filter_mount_3_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ih:oil:l84-85_oil_filter_mount_7_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ih:oil:l84-85_oil_filter_mount_3_by_hippysmack.jpg?direct&300|}}| | ||
- | And how the lines are routed normally on L86-90 models. \\ | + | And how the lines are routed normally on 86-90 models. \\ |
(filter on the feed part of the oil system) \\ | (filter on the feed part of the oil system) \\ | ||
| 86-90 Oil Filter Pad ((photo by Hippysmack)) | Thread sizes. ((photo by Hippysmack)) | | | 86-90 Oil Filter Pad ((photo by Hippysmack)) | Thread sizes. ((photo by Hippysmack)) | | ||
|{{:techtalk:evo:oil:86-90_oil_filter_mount_6_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_dims_1.1_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_filter_mount_6_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:oil:86-90_oil_filter_mount_dims_1.1_by_hippysmack.jpg?direct&300|}}| | ||
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===== Plugging the rear hole ===== | ===== Plugging the rear hole ===== |