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techtalk:evo:oil03c [2019/08/17 15:45] hippysmack [Cam chest drain in 77-97 engines] |
techtalk:evo:oil03c [2023/12/25 23:14] hippysmack |
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| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_1_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:98-07_oil_pump_comparison_14_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_1_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:98-07_oil_pump_comparison_14_by_hippysmack.jpg?direct&300|}}| | ||
| - | | 89 (L) - 07 (R) Oil Pumps ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) | 98 (L) - 07 (R) Oil Pumps ((photos by Hippysmack of the XLFORUM)) | | + | | 89 (L) - 07 (R) Oil Pumps ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) | 98 (L) - 07 (R) Oil Pumps ((photos by Hippysmack of the XLFORUM)) | |
| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_2_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:89-07_oil_pump_upgrade_6_by_gary_e.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_2_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:89-07_oil_pump_upgrade_6_by_gary_e.jpg?direct&300|}}| | ||
| - | | 86-90 oil pump as installed ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) | Same engine with 91 and up pump installed ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) | | + | | 86-90 oil pump as installed ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) | Same engine with 91 and up pump installed ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) | |
| ===== The stock 86-90 XL oil pump can flood the sump with oil and kill the power at high rpms. ===== | ===== The stock 86-90 XL oil pump can flood the sump with oil and kill the power at high rpms. ===== | ||
| - | ((Turbo Sporty 48 http://xlforum.net/forums/showthread.php?t=1589124&page=4)) \\ | + | ((Turbo Sporty 48 https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/146311-will-buell-oil-pump-pn-26357-02b-work-on-03-xl1200/page4?t=1589124&page=4)) \\ |
| - | The oil pump acts as a pass through for the filter return line. ((aswracing http://xlforum.net/forums/showthread.php?t=803496)) | + | The oil pump acts as a pass through for the filter return line. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/95933-86-90-oil-pump?t=803496)) |
| Since XL motors just flood the motor with oil, the issue is on the scavenging side (trying to get the oil back out of the motor). \\ | Since XL motors just flood the motor with oil, the issue is on the scavenging side (trying to get the oil back out of the motor). \\ | ||
| Line 20: | Line 20: | ||
| Many racers actually reduce their oil pressure trying to solve scavenge issues. \\ | Many racers actually reduce their oil pressure trying to solve scavenge issues. \\ | ||
| - | The last thing in the world you want to do is pump more oil into an XL engine. ((aswracing http://xlforum.net/forums/showthread.php?t=1589124&page=5)) \\ | + | The last thing in the world you want to do is pump more oil into an XL engine. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/146311-will-buell-oil-pump-pn-26357-02b-work-on-03-xl1200/page5?t=1589124&page=5)) \\ |
| - | The line returning from the oil filter pad feeds oil into the bottom of the cam box. ((aswracing http://xlforum.net/forums/showthread.php?t=803496)) \\ | + | The line returning from the oil filter pad feeds oil into the bottom of the cam box. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/95933-86-90-oil-pump?t=803496)) \\ |
| From there oil goes up through the cover, oiling the pinion, lower end, as well as going up to the lifters and valvetrain. \\ | From there oil goes up through the cover, oiling the pinion, lower end, as well as going up to the lifters and valvetrain. \\ | ||
| | | ||
| Line 30: | Line 30: | ||
| The oil pump is not the end all fix though. \\ | The oil pump is not the end all fix though. \\ | ||
| On the 06 and Earlier bikes, just changing the oil pump was not the step that suddenly made the blow-by disappear. \\ | On the 06 and Earlier bikes, just changing the oil pump was not the step that suddenly made the blow-by disappear. \\ | ||
| - | Neither was correcting the ring end gap. ((NVDEMON http://xlforum.net/forums/showthread.php?t=135265)) \\ | + | Neither was correcting the ring end gap. ((NVDEMON https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/43858-evo-sportster-engine-oil-pump-up-date?t=135265)) \\ |
| You know what's ironic? The better the ring seal, the worse the problems with XL oiling are. \\ | You know what's ironic? The better the ring seal, the worse the problems with XL oiling are. \\ | ||
| A little crankcase pressure actually helps the scavenging. \\ | A little crankcase pressure actually helps the scavenging. \\ | ||
| - | We saw it a LOT when using gapless rings. It just plays hell with the oiling. ((aswracing http://xlforum.net/forums/showthread.php?t=135265)) | + | We saw it a LOT when using gapless rings. It just plays hell with the oiling. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/43858-evo-sportster-engine-oil-pump-up-date?t=135265)) |
| The 07 and up style pumps are a great upgrade to an 86-90 engine. \\ | The 07 and up style pumps are a great upgrade to an 86-90 engine. \\ | ||
| - | They made the scavenge section bigger and the pressure section smaller. ((aswracing http://xlforum.net/forums/showthread.php?t=135265)) | + | They made the scavenge section bigger and the pressure section smaller. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/43858-evo-sportster-engine-oil-pump-up-date?t=135265)) |
| ===== Considerations ===== | ===== Considerations ===== | ||
| - | The 5-speed to 4-speed conversion is not a hard mod to accomplish. ((aswracing http://xlforum.net/forums/showthread.php?t=1589124)) \\ | + | The 5-speed to 4-speed conversion is not a hard mod to accomplish. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/146311-will-buell-oil-pump-pn-26357-02b-work-on-03-xl1200?t=1589124)) \\ |
| However, I would not put it on hoping it'll solve a wet sumping issue. \\ Wet sumping is more of a crankcase pressure issue in my experience. \\ | However, I would not put it on hoping it'll solve a wet sumping issue. \\ Wet sumping is more of a crankcase pressure issue in my experience. \\ | ||
| I've never had any luck curing a wet sumping issue by changing the pump. \\ | I've never had any luck curing a wet sumping issue by changing the pump. \\ | ||
| Line 48: | Line 48: | ||
| Between the return line fitting on the pump and the feed line into the motor, the pump tries to hit the return line fitting on the pump. \\ | Between the return line fitting on the pump and the feed line into the motor, the pump tries to hit the return line fitting on the pump. \\ | ||
| (the feed line into the motor will normally be coming from the oil filter pad). \\ | (the feed line into the motor will normally be coming from the oil filter pad). \\ | ||
| - | That's the only tight spot, the newer oil pump bolts right up otherwise. But, with a little grinding, it can be done. ((aswracing http://xlforum.net/forums/showthread.php?t=135265&page=4)) | + | That's the only tight spot, the newer oil pump bolts right up otherwise. But, with a little grinding, it can be done. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/43858-evo-sportster-engine-oil-pump-up-date/page4?t=135265&page=4)) |
| ==== Cam chest drain in 77-97 engines ==== | ==== Cam chest drain in 77-97 engines ==== | ||
| - | + | 1998 and up oil pumps will bolt straight up to 77 -97 engines. \\ | |
| - | 98 and up oil pumps will bolt straight up to 77 -97 engines. \\ | + | However, 1977-1997 engines drain the cam chest to the crankcase. \\ |
| - | However, 77-97 engines drain the cam chest to the crankcase. \\ | + | 1998 and later pumps all have a scavenge inlet in the cam box and therefore your motor's cam box to crankcase drain is not needed and actually not desirable. ((aswracing of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/77829-oil-pump-upgrades-whats-available?t=559906)) \\ |
| - | '98 and later pumps all have a scavenge inlet in the cam box and therefore your motor's cam box to crankcase drain is not needed and actually not desirable. ((aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=559906)) \\ | + | |
| So a complete update would include plugging that drain. \\ | So a complete update would include plugging that drain. \\ | ||
| The '07 Buell pump has a bigger scavenge section than the standard Pro-Flow. \\ | The '07 Buell pump has a bigger scavenge section than the standard Pro-Flow. \\ | ||
| Unless you go to a multi-section Pro-Flow and all the associated plumbing, you're better off with the 07 pump. \\ | Unless you go to a multi-section Pro-Flow and all the associated plumbing, you're better off with the 07 pump. \\ | ||
| - | {{:techtalk:evo:oil:pre-98_cam_chest_drain_by_aswracing.jpg?direct&300|}} ((photo by aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=559906)) {{:techtalk:evo:oil:pre-2000_cam_chest_drain_by_aswracing.jpg?direct&350|}} ((photo by aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=559906)) | + | {{:techtalk:evo:oil:pre-98_cam_chest_drain_by_aswracing.jpg?direct&300|}} ((photo by aswracing of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/77829-oil-pump-upgrades-whats-available?t=559906)) {{:techtalk:evo:oil:pre-2000_cam_chest_drain_by_aswracing.jpg?direct&350|}} ((photo by aswracing of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/77829-oil-pump-upgrades-whats-available?t=559906)) |
| ** | ** | ||
| There is also another option of modding the oil pump cam drain port instead**. \\ | There is also another option of modding the oil pump cam drain port instead**. \\ | ||
| Line 65: | Line 64: | ||
| Currently the only known company that does this mod is Karling Racing in Sweden. \\ | Currently the only known company that does this mod is Karling Racing in Sweden. \\ | ||
| See more on the [[techtalk:ref:oil05f|Karling Oil Pump Mod]] for the newer oil pumps here in the Sportsterpedia. \\ | See more on the [[techtalk:ref:oil05f|Karling Oil Pump Mod]] for the newer oil pumps here in the Sportsterpedia. \\ | ||
| - | ==== Internal vs external oiling features ==== | ||
| - | 86-90 model engines are fed oil internally; oil pump → filter → oil pump → gearcase inlet hole. \\ | + | ==== Internal vs external oiling features ==== |
| - | 91 and up engines are fed oil externally straight from the filter pad so you'll have to adapt them for earlier 4 speeds. \\ | + | 1986-1990 model engines are fed oil internally; oil pump → filter → oil pump → gearcase inlet hole. \\ |
| + | 1991 and up engines are fed oil externally straight from the filter pad so you'll have to adapt them for earlier 4 speeds. \\ | ||
| - | When you take off the stock pump, it will expose a 1/8" hole in the bottom of the gear case. ((aswracing http://xlforum.net/forums/showthread.php?t=803496)) ((jtracing919 http://xlforum.net/forums/showthread.php?t=803496)) \\ | + | When you take off the stock pump, it will expose a 1/8" hole in the bottom of the gear case. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/95933-86-90-oil-pump?t=803496)) ((jtracing919 https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/95933-86-90-oil-pump?t=803496)) \\ |
| This is the oil's internal point of entry from the pump and where the 90° fitting goes. \\ | This is the oil's internal point of entry from the pump and where the 90° fitting goes. \\ | ||
| 91 and up engine cases do not have this hole. \\ | 91 and up engine cases do not have this hole. \\ | ||
| |{{:techtalk:evo:oil:86-90_oil_port_location_by_gary_e_--_annotated.jpg?direct&300|}}| | |{{:techtalk:evo:oil:86-90_oil_port_location_by_gary_e_--_annotated.jpg?direct&300|}}| | ||
| - | | 86-90 oil port location (app. dims) ((photo by Gary E of the XLFORUM, annotated by Hippysmack http://xlforum.net/forums/showthread.php?t=2071753)) | | + | | 86-90 oil port location (app. dims) ((photo by Gary E of the XLFORUM, annotated by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/195407-oil-pump-upgrade-86-90?t=2071753)) | |
| ==== Tapping a hole in the engine required ==== | ==== Tapping a hole in the engine required ==== | ||
| - | |||
| * You'll need to drill and tap the hole for a (1/8-27) 90° fitting before you put the newer pump on. \\ This will allow you to hook up the filter return line to the fitting and give you oil pressure. \\ | * You'll need to drill and tap the hole for a (1/8-27) 90° fitting before you put the newer pump on. \\ This will allow you to hook up the filter return line to the fitting and give you oil pressure. \\ | ||
| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_5_by_gary_e.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_5_by_gary_e.jpg?direct&300|}}| | ||
| - | | Oil entrance hole tapped with a 90° fitting installed ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) | | + | | Oil entrance hole tapped with a 90° fitting installed ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) | |
| ==== Fittings and routing ==== | ==== Fittings and routing ==== | ||
| - | + | * In the pics below; ((conv90 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/183969-buell-pump-on-a-1990-xl-i-need-help?t=1977681&highlight=oil+pump+gear)) | |
| - | * In the pics below; ((conv90 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1977681&highlight=oil+pump+gear)) | + | |
| * (B) is the same (to oil filter pad) | * (B) is the same (to oil filter pad) | ||
| * (C) is the same (to oil tank) | * (C) is the same (to oil tank) | ||
| Line 93: | Line 90: | ||
| |{{:techtalk:evo:oil:1990_model_pump_fittings_by_conv90.jpg?direct&300|}}|{{:techtalk:evo:oil:89-07_oil_pump_upgrade_7.._by_gary_e.jpg?direct&300|}}| | |{{:techtalk:evo:oil:1990_model_pump_fittings_by_conv90.jpg?direct&300|}}|{{:techtalk:evo:oil:89-07_oil_pump_upgrade_7.._by_gary_e.jpg?direct&300|}}| | ||
| - | |86-90 pump fitting locations ((conv90 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1977681&highlight=oil+pump+gear)) ((resized, cropped and enhanced by Hippysmack))|07 oil pump on 89 engine - same hose routing ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) ((annotated by Hippysmack))| | + | |86-90 pump fitting locations ((conv90 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/183969-buell-pump-on-a-1990-xl-i-need-help?t=1977681&highlight=oil+pump+gear)) ((resized, cropped and enhanced by Hippysmack))|07 oil pump on 89 engine - same hose routing ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) ((annotated by Hippysmack))| |
| * After tapping the existing oil port in the bottom of the case, you'll need to install a 90° 1/8" pipe fitting. \\ (the OEM 90° fitting on the original oil pump return side may be shorter aftermarkets but they're also available at auto parts or hardware stores) \\ The OEM hose fitting also has a rounded side to clear the installed new style oil pump. \\ A new straight oil hose fitting (with the rounded end) usually comes with the new style oil pump that will attach to the 90° fitting. \\ If upgrading to an 07 Buell oil pump, the straight fitting has different threads so you'll need to use your original fitting for that. \\ (conversion kits should come with the correct fitting, check with your supplier) | * After tapping the existing oil port in the bottom of the case, you'll need to install a 90° 1/8" pipe fitting. \\ (the OEM 90° fitting on the original oil pump return side may be shorter aftermarkets but they're also available at auto parts or hardware stores) \\ The OEM hose fitting also has a rounded side to clear the installed new style oil pump. \\ A new straight oil hose fitting (with the rounded end) usually comes with the new style oil pump that will attach to the 90° fitting. \\ If upgrading to an 07 Buell oil pump, the straight fitting has different threads so you'll need to use your original fitting for that. \\ (conversion kits should come with the correct fitting, check with your supplier) | ||
| - | * If using the OEM feed hose to the filter pad, you'll need to install an extension on the outlet side of the pump. \\ The new style oil pump is not as wide so the (lower right or forward) fitting on the pump has to be extended to reach the original oil line to the oil filter mount. ((Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) \\ (else you can have another hose made to length) | + | * If using the OEM feed hose to the filter pad, you'll need to install an extension on the outlet side of the pump. \\ The new style oil pump is not as wide so the (lower right or forward) fitting on the pump has to be extended to reach the original oil line to the oil filter mount. ((Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) \\ (else you can have another hose made to length) |
| * The barb fitting for the inlet hose from the tank can be re-used from the old pump or you can buy a new one. \\ | * The barb fitting for the inlet hose from the tank can be re-used from the old pump or you can buy a new one. \\ | ||
| Line 106: | Line 103: | ||
| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_3_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_2._by_dave76.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_3_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_2._by_dave76.jpg?direct&300|}}| | ||
| - | | 07 Pump feed side fitting with extension added ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) | Alternate extension for the feed fitting (( photo by dave76 of the XLFORUM® http://xlforum.net/forums/showthread.php?postid=5595418#post5595418)) ((photo resized and cropped by Hippysmack)) | | + | | 07 Pump feed side fitting with extension added ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) | Alternate extension for the feed fitting (( photo by dave76 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/page8?postid=5595418#post4126135)) ((photo resized and cropped by Hippysmack)) | |
| ==== Oil pump mounting bolts and gaskets ==== | ==== Oil pump mounting bolts and gaskets ==== | ||
| - | + | * Along with the oiling system change in 1998, the oil pump and mounting screws were made longer. \\ The gearcase drain was then isolated from the crankcase a scavenge inlet was added in the gear case. \\ This change applied to both Sportster and Buell models, though there's no difference between the two. \\ The part number for the screws on a 2007 Buell and 2003 Sportster are (4765). ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/146311-will-buell-oil-pump-pn-26357-02b-work-on-03-xl1200/page2?t=1589124&page=2)) ((https://www.xlforum.net/forum/sportster-motorcycle-forum/lubrication-and-lubricants/146311-will-buell-oil-pump-pn-26357-02b-work-on-03-xl1200?t=1589124)) | |
| - | * Along with the oiling system change in 1998, the oil pump and mounting screws were made longer. \\ The gearcase drain was then isolated from the crankcase a scavenge inlet was added in the gear case. \\ This change applied to both Sportster and Buell models, though there's no difference between the two. \\ The part number for the screws on a 2007 Buell and 2003 Sportster are (4765). ((aswracing http://xlforum.net/forums/showthread.php?t=1589124&page=2)) ((http://xlforum.net/forums/showthread.php?t=1589124)) | + | |
| - | * The 86-90 style pumps use (4) - 1/4" x 20 x 2-1/2" Allen head mounting bolts. ((Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?p=5714289#post5714289)) | + | * The 1986-1990 style pumps use (4) - 1/4" x 20 x 2-1/2" Allen head mounting bolts. ((Gary E 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/195407-oil-pump-upgrade-86-90/page2#post4252921)) |
| - | * The 91-97 style pump body and it's mounting bolts are slightly shorter than the 98 version ( length? ). | + | * The 1991-1997 style pump body and it's mounting bolts are slightly shorter than the 1998 version ( length? ). |
| - | * The 98 and later pumps use (2) - 1/4" x 20 x 2-5/8" Allen head mounting bolts (2.625"). | + | * The 1998 and later pumps use (2) - 1/4" x 20 x 2-5/8" Allen head mounting bolts (2.625"). |
| - | * The 07 style pump body was made app. (.018“) taller than the 98. | + | * The 2007 style pump body was made app. (.018“) taller than the 1998 version. |
| * Worse case, you can buy a couple 2-3/4" Allen head bolts from your local hardware store and cut them to length. | * Worse case, you can buy a couple 2-3/4" Allen head bolts from your local hardware store and cut them to length. | ||
| - | * The 77-90 oil pump to case mounting surface uses the same gasket. \\ In kind, the 90 and up oil pumps all use the same gasket. | + | * The 1977-1990 oil pump to case mounting surface uses the same gasket. \\ In kind, the 90 and up oil pumps all use the same gasket. |
| - | * The 86-90 pump mounting gasket is longer than the 91 up version due to the longer pump design. \\ However, the mounting bolt pattern and center bore in each of these different syle gaskets are the same. \\ So the 91 and up style gasket will fit to earlier engines and it will not interfere with the inlet hole in the case. | + | * The 1986-1990 pump mounting gasket is longer than the 1991 up version due to the longer pump design. \\ However, the mounting bolt pattern and center bore in each of these different syle gaskets are the same. \\ So the 1991 and up style gasket will fit to earlier engines and it will not interfere with the inlet hole in the case. |
| |{{:techtalk:evo:oil:26204-91a_sportster_oil_pump_kit_3_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:oil:26204-91a_sportster_oil_pump_kit_3_by_hippysmack.jpg?direct&300|}}| | ||
| - | |26204-91A oil pump hardware kit. Fits 98 and up oil \\ pumps & 77 and up engines (w / 98 up pumps). ((photo by Hippysmack))| | + | |26204-91A oil pump hardware kit. Fits 98 and up oil \\ pumps & 77 and up engines (w / 1998 up pumps). ((photo by Hippysmack))| |
| * Below is a comparison of the 2 different style gasket surfaces on pre and post 91 engines. | * Below is a comparison of the 2 different style gasket surfaces on pre and post 91 engines. | ||
| Line 130: | Line 125: | ||
| |{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_2.jpg?direct&300|}}|{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_3.jpg?direct&300|}}|{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_4b.jpg?direct&300|}}| | |{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_2.jpg?direct&300|}}|{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_3.jpg?direct&300|}}|{{:techtalk:evo:oil:77_and_98_oil_pump_comparison_4b.jpg?direct&300|}}| | ||
| - | | 77-85 style pump outlined with a Sharpie ((photo by Hippysmack http://xlforum.net/forums/showthread.php?t=2071153&page=6)) | 98 and up style pump outlined in pencil ((photo by Hippysmack http://xlforum.net/forums/showthread.php?t=2071153&page=6)) | (77-90) and (91 up) gasket surface comparison ((photo by Hippysmack http://xlforum.net/forums/showthread.php?t=2071153&page=6)) | | + | | 1977-1985 style pump outlined with a Sharpie ((photo by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page6?t=2071153&page=6)) | 1998 and up style pump outlined in pencil ((photo by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page6?t=2071153&page=6)) | (1977-1990) and (91 up) gasket surface comparison ((photo by Hippysmack https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/194881-let-s-study-the-77-85-oil-pump-parts-and-changes-and-when/page6?t=2071153&page=6)) | |
| - | + | ||
| ====== Engine Prep ====== | ====== Engine Prep ====== | ||
| Line 151: | Line 144: | ||
| ==== Engine Installed ==== | ==== Engine Installed ==== | ||
| - | The maximum area available between the engine case and the frame is app. 2.75". ((Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) \\ | + | The maximum area available between the engine case and the frame is app. 2.75". ((Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) \\ |
| **Drilling**: | **Drilling**: | ||
| Line 168: | Line 161: | ||
| * Every three to four turns of the tap, back it out and clean the chips off. \\ (1/2 to 1 turn may work out better. When it gets tight, back the tap out and then go back in with it) | * Every three to four turns of the tap, back it out and clean the chips off. \\ (1/2 to 1 turn may work out better. When it gets tight, back the tap out and then go back in with it) | ||
| * Run the tap in about 3/4", then check the new fitting for threading and fitment. \\ Figure about threading the new fitting in about 1/2-3/4 of useable thread in then your good. | * Run the tap in about 3/4", then check the new fitting for threading and fitment. \\ Figure about threading the new fitting in about 1/2-3/4 of useable thread in then your good. | ||
| - | * Compressed air will blow the chips out. ((dave76 of the XLFORUM® http://xlforum.net/forums/showthread.php?postid=5595418#post5595418)) \\ | + | * Compressed air will blow the chips out. ((dave76 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/page8?postid=5595418#post4126135)) \\ |
| - | |A 90° drill attachment can be used with engine \\ installed (like this this one from Terry Tools). ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753))|Tape off holes and crevises to keep out chips. (( photo by dave76 of the XLFORUM® http://xlforum.net/forums/showthread.php?postid=5595418#post5595418))| | + | |A 90° drill attachment can be used with engine \\ installed (like this this one from Terry Tools). ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753))|Tape off holes and crevises to keep out chips. (( photo by dave76 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/page8?postid=5595418#post4126135))| |
| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_4_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_1_by_dave76.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_4_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_1_by_dave76.jpg?direct&300|}}| | ||
| Line 188: | Line 181: | ||
| Install the hoses in their original locations and you're done. \\ | Install the hoses in their original locations and you're done. \\ | ||
| - | | 07 oil pump installed on 89 model engine. \\ Fittings installed. ((photo by Gary E of the XLFORUM http://xlforum.net/forums/showthread.php?t=2071753)) |This is an S&S motor which features 4-speed oiling. \\ Now with a later oil pump and a 90° fitting added. ((aswracing http://xlforum.net/forums/showthread.php?t=803496&page=2)) ((photo by stinkfoot of the XLFORUM® http://xlforum.net/photopost/showphoto.php/photo/44438/cat/500 ))| | + | | 07 oil pump installed on 89 model engine. \\ Fittings installed. ((photo by Gary E 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/195407-oil-pump-upgrade-86-90?t=2071753)) |This is an S&S motor which features 4-speed oiling. \\ Now with a later oil pump and a 90° fitting added. ((aswracing https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-motor-engine/sportster-motorcycle-bottom-end/95933-86-90-oil-pump/page2?t=803496&page=2)) ((photo by stinkfoot of the XLFORUM®))| |
| |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_7_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_on_s_s_motor_by_stinkfoot.jpg?direct&300|}}| | |{{:techtalk:evo:oil:89-07_oil_pump_upgrade_7_by_gary_e.jpg?direct&300|}}|{{:techtalk:evo:oil:07_oil_pump_upgrade_on_s_s_motor_by_stinkfoot.jpg?direct&300|}}| | ||
| - | |Looks nice and tidy. (( photo by dave76 of the XLFORUM® http://xlforum.net/forums/showthread.php?postid=5595418#post5595418))| | + | |Looks nice and tidy. (( photo by dave76 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/page8?postid=5595418#post4126135))| |
| |{{:techtalk:evo:oil:07_oil_pump_upgrade_by_3_dave76.jpg?direct&300|}}| | |{{:techtalk:evo:oil:07_oil_pump_upgrade_by_3_dave76.jpg?direct&300|}}| | ||
| ==== Other XLFORUM thread discussion on this mod ==== | ==== Other XLFORUM thread discussion on this mod ==== | ||
| - | [[http://xlforum.net/forums/showthread.php?t=2071753&highlight=86-90&page=3|Oil Pump Upgrade '86-'90]] | + | [[https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/195407-oil-pump-upgrade-86-90/page3?t=2071753&highlight=86-90&page=3|Oil Pump Upgrade '86-'90]] |
| \\ | \\ | ||
| [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
