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techtalk:ref:oil05e [2019/03/14 02:27] hippysmack [86-90 Oil Filter Mount Mods] |
techtalk:ref:oil05e [2024/02/02 01:48] (current) hippysmack ↷ Links adapted because of a move operation |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| ====== REF: Oiling & Lubrication - Sub-05E ====== | ====== REF: Oiling & Lubrication - Sub-05E ====== | ||
| - | ====== 86-90 Oil Filter Mount Mods ====== | + | ====== 1986-1990 Oil Filter Mount Mods ====== |
| See also in the Sportsterpedia: | See also in the Sportsterpedia: | ||
| * [[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:oil01k#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|}}| | ||
| + | |||
| ====== 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. \\ | ||
| - | |||
| 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. \\ | ||
| Line 27: | Line 27: | ||
| 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. \\ | ||
| Line 41: | Line 42: | ||
| 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|}}| | ||
| Line 51: | Line 52: | ||
| ===== Routing the Regulator Discharge to the Oil Tank ===== | ===== Routing the Regulator Discharge to the Oil Tank ===== | ||
| - | 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 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. \\ | ||
| + | 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) \\ | ||
| - | The excess pressure (bypass oil) is diverted directly back to tank via the oil pump return line, not to the gearcase or the sump. \\ | + | ==== 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) \\ | ||
| Line 80: | Line 85: | ||
| 'Plug' that threaded hole, \\ | 'Plug' that threaded hole, \\ | ||
| Replace the "Y" at the pump with a straight through fitting and remove the fitting in the discharge hole in the filter pad. \\ | Replace the "Y" at the pump with a straight through fitting and remove the fitting in the discharge hole in the filter pad. \\ | ||
| + | |||
| + | ==== Tapping the Discharge Hole ==== | ||
| + | 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. \\ | ||
| + | |||
| + | 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|}}| | ||
| ====== Convert to a L84-85 Filter Pad ====== | ====== Convert to a L84-85 Filter Pad ====== | ||
| Line 114: | Line 126: | ||
| Line routing is the same as in the 86-90 filter pad with exception that the outlet hole for filtered oil has 1/8" NPT threads. \\ | Line routing is the same as in the 86-90 filter pad with exception that the outlet hole for filtered oil has 1/8" NPT threads. \\ | ||
| (inlet on the outside - outlet in the center) \\ | (inlet on the outside - outlet in the center) \\ | ||
| + | |||
| You'll either need to tap that hole for 1/4" NPT threads to use your existing oil lines. \\ | You'll either need to tap that hole for 1/4" NPT threads to use your existing oil lines. \\ | ||
| Or you could use a 1/8" to 1/4" reducer to attach the OEM return hose to the oil pump. \\ | Or you could use a 1/8" to 1/4" reducer to attach the OEM return hose to the oil pump. \\ | ||
| + | Pre-drill hole size for a 1/4"x18 tap is 7/16". | ||
| + | |||
| + | There is a circle imprint on the L84-85 mount where the 1/8"x27 NPSC hole will have to be tapped to accept the hose from the oil pump. \\ | ||
| + | This will allow you to use the oil pressure switch on the existing 1/8" hole on the unfiltered side. \\ | ||
| + | Else you can use an 1/8" NPT "tee" inline for both fittings. \\ | ||
| Pics below are how the lines are routed normally on L84-85 models. \\ | Pics below are how the lines are routed normally on L84-85 models. \\ | ||
| Line 123: | Line 141: | ||
| |{{: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)) | | ||
