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techtalk:ih:oil03 [2022/09/30 20:50]
hippysmack [Pump Changes / Features]
techtalk:ih:oil03 [2023/12/31 21:19] (current)
hippysmack
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 The oil pump is a positive displacement unit. \\ The oil pump is a positive displacement unit. \\
-If you block the discharge flow path, discharge pressure will rise and literally approaches infinity until something fails. ((BuckIRyder of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=730325&​page=2)) \\+If you block the discharge flow path, discharge pressure will rise and literally approaches infinity until something fails. ((BuckIRyder of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​90285-external-oil-filter-micron-age/​page2?​t=730325&​page=2)) \\
 It's non-regulated and delivers its entire volume of oil under pressure to the oil filter mount. \\ It's non-regulated and delivers its entire volume of oil under pressure to the oil filter mount. \\
-However, don't take the term "​positive displacement pump" literally. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1429178&​page=2)) \\+However, don't take the term "​positive displacement pump" literally. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​133153-side-bag-oil-filter/​page2?​t=1429178&​page=2)) \\
 Compared to a centrifigal pump, gear / gerotor type pumps use displacement to function. \\ Compared to a centrifigal pump, gear / gerotor type pumps use displacement to function. \\
 How positive it is depends on what it's pumping. \\ How positive it is depends on what it's pumping. \\
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 This creates a 2:1 ratio of the gears (20/10 = 2:1) meaning the oil pump RPM is half the speed of the engine. \\ This creates a 2:1 ratio of the gears (20/10 = 2:1) meaning the oil pump RPM is half the speed of the engine. \\
 (running at 4,000 RPM, the oil pump is turning at 2,000 RPM) \\ (running at 4,000 RPM, the oil pump is turning at 2,000 RPM) \\
 +
 ====== Oil Pump Pressure (57-85) ====== ====== Oil Pump Pressure (57-85) ======
 See also [[techtalk:​ref:​oil15|Installing an Oil Pressure Gauge]] in the REF section of the Sportsterpedia. \\ See also [[techtalk:​ref:​oil15|Installing an Oil Pressure Gauge]] in the REF section of the Sportsterpedia. \\
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 Normal riding conditions: 4-15 psi \\ Normal riding conditions: 4-15 psi \\
  
-**Note**: On a cold startup, expect pressure to reach ~60 psi ((IronMick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449)) \\+**Note**: On a cold startup, expect pressure to reach ~60 psi ((IronMick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449)) \\
  
-{{:​techtalk:​ih:​oil:​oil_pressure_gauge_1_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449)) {{:​techtalk:​ih:​oil:​oil_pressure_gauge_2_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1456449))+{{:​techtalk:​ih:​oil:​oil_pressure_gauge_1_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449)) {{:​techtalk:​ih:​oil:​oil_pressure_gauge_2_by_dieselox4.jpg?​direct&​300|}} ((photo by Dieselox4 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​134952-where-how-to-mount-custom-oil-pressure-gauge?​t=1456449))
  
 ===== Oil Pump Fittings and Oil Paths ===== ===== Oil Pump Fittings and Oil Paths =====
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 {{:​techtalk:​ih:​oil:​77-85_oil_pump_oiling_paths_by_ironheadjunkie.jpg?​direct&​300|}} ((photo by ironheadjunkie of the XLFORUM, labeled by Hippysmack)) \\ {{:​techtalk:​ih:​oil:​77-85_oil_pump_oiling_paths_by_ironheadjunkie.jpg?​direct&​300|}} ((photo by ironheadjunkie of the XLFORUM, labeled by Hippysmack)) \\
-====== Oil Pump Gaskets/​Seals ​(1957-1985) ​======+ 
 +====== Oil Pump Gaskets/​Seals ======
 **NOTE: Please be sure of your particular parts assembly before ordering seals**. \\ **NOTE: Please be sure of your particular parts assembly before ordering seals**. \\
 +1977-1985 Oil Pumps look pretty much identical before dis-assembly but some parts won't interchange. \\
 [[techtalk:​ih:​oil03a|Click Here]] for individual pics of pump assembly parts in the Sportsterpedia. \\ [[techtalk:​ih:​oil03a|Click Here]] for individual pics of pump assembly parts in the Sportsterpedia. \\
  
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 |Year Model|Part#​|Notes|Pics| |Year Model|Part#​|Notes|Pics|
 |1952-1976 \\ K Model, Sportster|26256-52|Pump to engine case mounting gasket|{{ :​techtalk:​ih:​oil:​1952-1976_k_model_-_sportster_oil_pump_gasket_26256-52_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| |1952-1976 \\ K Model, Sportster|26256-52|Pump to engine case mounting gasket|{{ :​techtalk:​ih:​oil:​1952-1976_k_model_-_sportster_oil_pump_gasket_26256-52_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))|
-|L1958-1976 \\ XL, XLH, XLCH|26227-58|Gear shaft oil seal| +|L1958-1976 \\ XL, XLH, XLCH|26227-58|Gear shaft oil seal|{{ :​techtalk:​ih:​oil:​1958l-1976_oil_pump_shaft_seal_by_royal_motorworks_citroen_parts_plus.jpg?​linkonly |Pic}} ((photo courtesy of Royal Motorworks Citroen Parts Plus, [[https://​www.ebay.com/​str/​royalmotorworkscitroenpartsplus?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ​ ))
-|1962-E1962 \\ K Model, Sportster \\ 1972-1976 XLH, XLCH|26259-52|Inner cover gasket|{{ :​techtalk:​ih:​oil:​1952-e1962_k_model_sportster_1972-1976_sportster_oil_pump_inner_cover_gasket_26259-52_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| +|1952-E1962 \\ K Model, Sportster \\ 1972-1976 XLH, XLCH|26259-52|Inner cover gasket|{{ :​techtalk:​ih:​oil:​1952-e1962_k_model_sportster_1972-1976_sportster_oil_pump_inner_cover_gasket_26259-52_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| 
-|1952-1976 \\ K Model, ​XL, XLH, XLCH|26241-52|Inner cover gasket| +|1952-E1962 \\ K Model, ​Sportster ​\\ 1972-1976 ​XLH, XLCH|26258-52|Outer cover gasket|{{ :​techtalk:​ih:​oil:​1954-e1962_1972-1976_kh_-_sportster_outer_oil_pump_cover_gasket_26258-52_by_royal_motorworks_citroen_parts_plus.jpg?​linkonly ​|Pic}} ((photo courtesy of Royal Motorworks Citroen Parts Plus, [[https://​www.ebay.com/​str/​royalmotorworkscitroenpartsplus?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ​ ))|
-|1956-1976 ​\\ KH, XL, XLH, XLCH|26250-56|Outer cover gasket| +
-|1954-E1962 \\ KH, XL, XLH, XLCH \\ 1972-1976 XLH, XLCH|26258-52|Outer cover gasket|+
 |L1962-1971 XLH, XLCH|26259-62|Inner cover gasket|{{ :​techtalk:​ih:​oil:​1962l-1971_xlh_-_xlch_inner_oil_pump_cover_gasket_26259-62_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))| |L1962-1971 XLH, XLCH|26259-62|Inner cover gasket|{{ :​techtalk:​ih:​oil:​1962l-1971_xlh_-_xlch_inner_oil_pump_cover_gasket_26259-62_by_jrs_vintage_harley_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))|
-|L1962-1971 XLH, XLCH|26258-62|Outer cover gasket| +|L1962-1971 XLH, XLCH|26258-62|Outer cover gasket|{{ :​techtalk:​ih:​oil:​1962l-1971_xlh_xlch_outer_oil_pump_cover_gasket_26258-62_by_royal_motorworks_citroen_parts_plus.jpg?​linkonly |Pic}} ((photo courtesy of Royal Motorworks Citroen Parts Plus, [[https://​www.ebay.com/​str/​royalmotorworkscitroenpartsplus?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ​ ))
-|1977 (only) Sportster|12042|Small o-ring around check valve body \\ (used in 1600 pumps stamped "​0"​)|+|1977 (only) Sportster|12042|Small o-ring around check valve body \\ (used in 1600 pumps stamped "​0"​)|{{ :​techtalk:​ih:​oil:​1977_sportster_only_check_valve_body_o-ring_by_royal_motorworks_citroen_parts_plus.jpg?​linkonly |Pic}} ((photo courtesy of Royal Motorworks Citroen Parts Plus, [[https://​www.ebay.com/​str/​royalmotorworkscitroenpartsplus?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] ​ ))|
 |1977-1990 Sportster|26495-75|Pump to engine case mounting gasket|{{ :​techtalk:​evo:​oil:​1977-1990_sportster_oil_pump_mounting_gasket_26495-75_by_sum-body1.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] ))  | |1977-1990 Sportster|26495-75|Pump to engine case mounting gasket|{{ :​techtalk:​evo:​oil:​1977-1990_sportster_oil_pump_mounting_gasket_26495-75_by_sum-body1.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] ))  |
-|1977-1985 Sportster|26432-76 \\ 26432-76A|Small o-ring around check valve body \\ Updated part# retros to 1977| +|1977-1985 Sportster|26432-76 \\ 26432-76A|Small o-ring around check valve body \\ Updated part# retros to 1977|{{ :​techtalk:​ih:​oil:​1977-1985_sportster_oil_pump_check_valve_o-ring_26432-76a_by_rusty_dusty_motorcycle_parts.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, Rusty Dusty Motorcycle Parts. [[https://​www.ebay.com/​str/​bialystreasures|Link to Ebay Store]] ))
-|1977-1985 Sportster|26433-77|Small o-ring between pump body and cover\\ (over check valve bore)| +|1977-1985 Sportster|26433-77|Small o-ring between pump body and cover\\ (over check valve bore)|{{ :​techtalk:​ih:​oil:​1977-e1987_sportster_oil_pump_o-ring_26433-77_by_animalhouse2010.jpg?​linkonly |Pic}} ((photo courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))| 
-|1977-1985 Sportster|26434-76 \\ 26434-76A|Big o-ring between pump body and cover \\ (cover seal) Updated part# retros to 1977| +|1977-1990 Sportster|26434-76 \\ 26434-76A|Big o-ring between pump body and cover \\ (cover seal) Updated part# retros to 1977|{{ :​techtalk:​ih:​oil:​1977-1990_sportster_oil_pump_cover_o-ring_26434-76_by_morlel32.jpg?​linkonly |Pic}} ((photo courtesy of C & M Sales, [[https://​www.ebay.com/​str/​everythingmotorcycleparts?​_trksid=p2047675.m3561.l2563|Link to Ebay Store]] )) \\ {{ :​techtalk:​ih:​oil:​1977-1990_sportster_oil_pump_cover_o-ring_26434-76a_by_robisonmotorcycles.jpg?​linkonly|Pic}} ((photo courtesy of Ebay seller, Robison Motorcycles,​ [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] ))
-|1977-1982 Sportster|12036|Outer divider plate oil seal (between divider plates). \\ Use only with outer plate 26493-75| +|1977-1982 Sportster|12036|Outer divider plate oil seal (between divider plates). \\ Use only with outer plate 26493-75|{{ :​techtalk:​ih:​oil:​1977-1982_sportster_oil_pump_shaft_seal_12036_by_57harleyrider_pic3.jpg?​linkonly |Pic}} ((photos courtesy of Ebay seller, 57harleyrider. [[https://​www.ebay.com/​str/​57harleyrider|Link to Ebay Store]] ))
-|1983-1985 Sportster|12036A|Shaft oil seal between divider plates. \\ Use only with outer plate 26493-75A|+|1983-1990 Sportster|12036A|Shaft oil seal between divider plates. \\ Use only with outer plate 26493-75A|{{ :​techtalk:​ih:​oil:​1983-1990_sportster_oil_pump_shaft_seal_12036a_by_boneyard_cycles.jpg?​linkonly |Pic}} ((photos courtesy of Boneyard Cycles in Melbourne, FL))| 
 ====== Priming the Oil Pump ====== ====== Priming the Oil Pump ======
 A dry pump won't pump oil. \\ A dry pump won't pump oil. \\
-It will '​cavitate'​ when their is not a hydraulic seal between the gerotors and the inlet hose from the tank. \\ 
- 
 Any time you have removed the oil pump or the removed / drained the feed hose from the oil tank, the pump needs to be primed. \\ Any time you have removed the oil pump or the removed / drained the feed hose from the oil tank, the pump needs to be primed. \\
   * The oil pump needs to be primed with oil / lube before it can transfer oil from the inlet to the outlet cavity inside.   * The oil pump needs to be primed with oil / lube before it can transfer oil from the inlet to the outlet cavity inside.
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       * Remove the oil pressure switch and rotate the engine until oil comes out the end of the pump and reinstall the switch.       * Remove the oil pressure switch and rotate the engine until oil comes out the end of the pump and reinstall the switch.
     * If you let it sit long enough, oil will gravity drain inside the pump and prime it.     * If you let it sit long enough, oil will gravity drain inside the pump and prime it.
-    * Another way to prime the pump is to use assembly lube on the gerotors and inside of the pump before installing it. ((aswracing of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=4805186#post4805186)) \\ Then you have an instant hydraulic seal to help the oil pump suck oil from the hose. +    * Another way to prime the pump is to use assembly lube on the gerotors and inside of the pump before installing it. ((aswracing of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​163867-cam-cover-removal#post3491821)) \\ Then you have an instant hydraulic seal to help the oil pump suck oil from the hose. 
-    * You can also using a large syringe with a tapered tip inserted into the oil supply hose on the bottom of the oil tank. ((ericfreeman of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5751479#post5751479)) \\ Then you can force feed oil the pump and on to the engine using this technique and it avoids having to mess with the sending unit. +    * You can also using a large syringe with a tapered tip inserted into the oil supply hose on the bottom of the oil tank. ((ericfreeman of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​196980-vapor-lock-on-77-and-later-oil-pumps#post4303198)) \\ Then you can force feed oil the pump and on to the engine using this technique and it avoids having to mess with the sending unit. 
-    * With this homemade tool, all you have to do is use a grease gun (without grease) filled with oil and pump it into the system so a dry start can be avoided. {{:​techtalk:​ref:​tools:​check_ball_tester_and_prelube_fitting_by_bustert.jpg?​direct&​300|}} ((photo by bustert of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1813185&​page=2))+    * With this homemade tool, all you have to do is use a grease gun (without grease) filled with oil and pump it into the system so a dry start can be avoided. {{:​techtalk:​ref:​tools:​check_ball_tester_and_prelube_fitting_by_bustert.jpg?​direct&​300|}} ((photo by bustert of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​168986-oil-pump-check-fixes/​page2?​t=1813185&​page=2))
  
 ====== 1957-1976 Gear Driven Pumps ====== ====== 1957-1976 Gear Driven Pumps ======
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 {{:​techtalk:​ih:​oil:​1957-1976_gear_pump-_feed_oil_path_by_rockeyschopshop.jpg?​direct&​400|}} ((photo by rockeyschopshop,​ labeled by Hippysmack)) \\ {{:​techtalk:​ih:​oil:​1957-1976_gear_pump-_feed_oil_path_by_rockeyschopshop.jpg?​direct&​400|}} ((photo by rockeyschopshop,​ labeled by Hippysmack)) \\
 +
 ===== Pump Changes / Features ===== ===== Pump Changes / Features =====
 ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​700|}}|||| ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​700|}}||||
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 |26204-67A|26215-72|1972-1976|XLH,​ XLCH| |26204-67A|26215-72|1972-1976|XLH,​ XLCH|
  
-  * There are 3 basic pumps & 2 basic plumbing styles ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))+  * There are 3 basic pumps & 2 basic plumbing styles ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))
     - Both feed and return are drilled passages in the right crankcase (57-66 all) & (67-69 xlch)     - Both feed and return are drilled passages in the right crankcase (57-66 all) & (67-69 xlch)
     - Only return drilled thru case. feed goes from tank to pump by external hose. (67-69 xlh) & (70-76 all)     - Only return drilled thru case. feed goes from tank to pump by external hose. (67-69 xlh) & (70-76 all)
-  * With the correct knowledge any 57-76 pump, or parts of them can be mated to any 57-76 cases. But the combos can get confusing. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204)) +  * With the correct knowledge any 57-76 pump, or parts of them can be mated to any 57-76 cases. But the combos can get confusing. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070)) 
-  * The stock slot in pre & post -72 pump bodies are .345" ((chevelle of the XLFORUM® ​http://​xlforum.net/​forums/showthread.php?​t=989934&​page=2)) +  * The stock slot in pre & post -72 pump bodies are .345" ((chevelle of the XLFORUM® ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​108113-breather-timing-early-sportster/​page2?​t=989934&​page=2)) 
-  * The stock slot in pre -72 pump gear is .375" ((chevelle of the XLFORUM® ​http://​xlforum.net/​forums/showthread.php?​t=989934&​page=2)) +  * The stock slot in pre -72 pump gear is .375" ((chevelle of the XLFORUM® ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​108113-breather-timing-early-sportster/​page2?​t=989934&​page=2)) 
-  * The stock slot in post -72 pump gear is .625" ((chevelle of the XLFORUM® ​http://​xlforum.net/​forums/showthread.php?​t=989934&​page=2))+  * The stock slot in post -72 pump gear is .625" ((chevelle of the XLFORUM® ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​108113-breather-timing-early-sportster/​page2?​t=989934&​page=2))
  
-On some pump casting bodies you may see an Allen plug in the back of the pump. ((Monte03 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=563241)) \\+On some pump casting bodies you may see an Allen plug in the back of the pump. ((Monte03 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​78212-67-ironhead-oil-routing?t=563241)) \\
 Also the earlier pumps had a casting number of -52. \\ Also the earlier pumps had a casting number of -52. \\
 In 1972 and with the birth of the 1000cc engine, the pump numbers were -72. \\ In 1972 and with the birth of the 1000cc engine, the pump numbers were -72. \\
 It had larger gears and a bigger breather slot. \\ It had larger gears and a bigger breather slot. \\
  
-|  Oil Pump on 1967 XLCH ((photos by ss396 of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1864035&​highlight=Ironhead+Crankcase+Drain+Plug&​page=4)) ​ ||  Oil Pump on 1972 XLH ((photo by deedub97gt of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​page=17&​t=1637849)) ​ | +|  Oil Pump on 1967 XLCH ((photos by ss396 of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​173827-crankcase-drain-plug/​page4?​t=1864035&​highlight=Ironhead+Crankcase+Drain+Plug&​page=4)) ​ ||  Oil Pump on 1972 XLH ((photo by deedub97gt of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​151798-75-rigid-iron-rebuild/​page17?​page=17&​t=1637849)) ​ | 
 |{{:​techtalk:​ih:​oil:​1967_xlch_oil_pump_1_by_ss396.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1967_xlch_oil_pump_2_by_ss396.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​oil_pump_on_72_ih_by_deedub97gt.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​1967_xlch_oil_pump_1_by_ss396.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1967_xlch_oil_pump_2_by_ss396.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​oil_pump_on_72_ih_by_deedub97gt.jpg?​direct&​300|}}|
  
 ===== 1957-E1962 ===== ===== 1957-E1962 =====
  
-  * There are (3 variations) and these all use 16t gear sets and style 1 plumbing ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204)) +  * There are (3 variations) and these all use 16t gear sets and style 1 plumbing ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070)) 
-  * The production changes made during its run: ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))+  * The production changes made during its run: ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))
     * **1957-E1958**:​ Baseline pump that all others came from. \\ It has no oil seal and uses a snap ring and a full profile woodruff key at the scavenge gear.      * **1957-E1958**:​ Baseline pump that all others came from. \\ It has no oil seal and uses a snap ring and a full profile woodruff key at the scavenge gear. 
     * **L1958-1959**:​ The body is now machined for an oil seal.     * **L1958-1959**:​ The body is now machined for an oil seal.
     * **1960-E1962**:​ The retaining ring at the scavenge gear was replaced by half moon retainers. \\ The scavenge drive gear is counter-bored for these half moons and the woodruff key is shortened so it won't interfere with the half moons.     * **1960-E1962**:​ The retaining ring at the scavenge gear was replaced by half moon retainers. \\ The scavenge drive gear is counter-bored for these half moons and the woodruff key is shortened so it won't interfere with the half moons.
  
-    * Feed Gears: \\ O.D. (1.115"​ OD) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112)) \\ Width (.185"​) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112))+    * Feed Gears: \\ O.D. (1.115"​ OD) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626)) \\ Width (.185"​) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626))
     * Return Gears: \\ O.D. (1.115"​ OD) ((Dim provided by Kurt Melancon)) \\ Width (.343"​) ((Dim provided by Kurt Melancon))     * Return Gears: \\ O.D. (1.115"​ OD) ((Dim provided by Kurt Melancon)) \\ Width (.343"​) ((Dim provided by Kurt Melancon))
-    * Driven Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413)) +    * Driven Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538)) 
-    * Idler Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413))+    * Idler Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538))
  
 ===== L1962-1971 ===== ===== L1962-1971 =====
  
-  * There are (2 variations) and all these used 14t gears & scavenge sets got taller than the previous 16's were. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))+  * There are (2 variations) and all these used 14t gears & scavenge sets got taller than the previous 16's were. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))
   * All use half moon retainers and the shortened woodruff key on the scavenge drive.   * All use half moon retainers and the shortened woodruff key on the scavenge drive.
   * All bodies made up to 1966 are for internal feed and scavenge plumbing (plumbing style 1).   * All bodies made up to 1966 are for internal feed and scavenge plumbing (plumbing style 1).
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     * Bodies tapped for style 2 were still used with the addition of a plug in the new rear hole on 1967-1969 XLCH (style 1 cases).     * Bodies tapped for style 2 were still used with the addition of a plug in the new rear hole on 1967-1969 XLCH (style 1 cases).
  
-    * Feed Gears: \\ O.D. (.990" OD) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112)) \\ Width (.216"​) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112))+    * Feed Gears: \\ O.D. (.990" OD) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626)) \\ Width (.216"​) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626))
     * Return Gears: \\ OD \\ Width (?)     * Return Gears: \\ OD \\ Width (?)
-    * Driven Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413)) +    * Driven Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538)) 
-    * Idler Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413))+    * Idler Gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538))
  
 ===== 1972-1976 ===== ===== 1972-1976 =====
  
-  * These have (no variations) and go back to 16t gears and a snap ring with long key ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))+  * These have (no variations) and go back to 16t gears and a snap ring with long key ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))
   * Feed gears are the same as 1957-E1962 but the scavenge set is now wider again (wider than any of the previous sets).   * Feed gears are the same as 1957-E1962 but the scavenge set is now wider again (wider than any of the previous sets).
-  * Breather gear gets enlarged slots in it. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204)) +  * Breather gear gets enlarged slots in it. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070)) 
-  * Body and breather housing get an extra hole (2 holes now) drilled in them for additional return capacity, cases also get extra matching hole. ((Dr Dick of the XLFORUM ​http://​xlforum.net/forums/​showpost.php?​p=3272806&​postcount=204)) +  * Body and breather housing get an extra hole (2 holes now) drilled in them for additional return capacity, cases also get extra matching hole. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​showpost.php?​p=3272806&​postcount=204)) 
-  * Solid feed gear drive pin gets replaced by the hated roll pin. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204)) +  * Solid feed gear drive pin gets replaced by the hated roll pin. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070)) 
-  * Dowels between body and breather housing are now history. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))  +  * Dowels between body and breather housing are now history. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))  
-  * Each complete pump breaks down into these components: ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showpost.php?p=3272806&​postcount=204))+  * Each complete pump breaks down into these components: ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​112326-a-photo-catalog-of-ironhead-parts/​page14?​postcount=204#​post2437070))
     * Breather or sleeve gear-has the 2 slots in it     * Breather or sleeve gear-has the 2 slots in it
     * Breather gear housing- cast iron part that breather rides in     * Breather gear housing- cast iron part that breather rides in
Line 223: Line 224:
     * Scavenge gear set and drive key and retaining clip.     * Scavenge gear set and drive key and retaining clip.
  
-  * Feed Gears: \\ O.D. (1.115"​ OD) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112)) \\ Width (.185"​) ((needspeed of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5795112#post5795112))+  * Feed Gears: \\ O.D. (1.115"​ OD) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626)) \\ Width (.185"​) ((needspeed of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page61#post4364626))
   * Return Gears: \\ O.D. (1.115"​) \\ Width (.397"​) ((Dim provided by Kurt Melancon))   * Return Gears: \\ O.D. (1.115"​) \\ Width (.397"​) ((Dim provided by Kurt Melancon))
-  * Driven gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413)) +  * Driven gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538)) 
-  * Idler gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=5792413#post5792413))+  * Idler gear: \\ Center hole I.D. (.422"​) ((kitabel of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​197307-sportster-crankcase-pressure-engine-breathing-wetsumping-and-mods/​page59#post4359538))
   * Breather timing: ​   * Breather timing: ​
-    * Open 20-25 deg ATDC Front CYL ((thefrenchowl of the XLFORUM® ​http://​xlforum.net/​forums/showthread.php?​t=989934)) +    * Open 20-25 deg ATDC Front CYL ((thefrenchowl of the XLFORUM® ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​108113-breather-timing-early-sportster?​t=989934)) 
-    * Close 85-90 deg ABDC Front CYL ((thefrenchowl of the XLFORUM® ​http://​xlforum.net/​forums/showthread.php?t=989934))+    * Close 85-90 deg ABDC Front CYL ((thefrenchowl of the XLFORUM® ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​108113-breather-timing-early-sportster?t=989934))
  
 ===== Return Oil Screen (in gearcase) ===== ===== Return Oil Screen (in gearcase) =====
Line 273: Line 274:
  
   * In a gerotor type pump, oil is transferred from the inlet to the outlet as it is trapped between the rotating inner and outer gerotors. ((1970-1978 HD XL/​XLH/​XLCH/​XLT 1000 FSM))   * In a gerotor type pump, oil is transferred from the inlet to the outlet as it is trapped between the rotating inner and outer gerotors. ((1970-1978 HD XL/​XLH/​XLCH/​XLT 1000 FSM))
-  * All Sportster gerotor pumps (77 and up) turn clockwise when viewed from the top. \\ (as opposed to 76 and older pumps that turn counter clockwise) ((needspeed of the XLFORUM ​http://​xlforum.net/forums/​showthread.php?​t=2071153&​page=7))+  * All Sportster gerotor pumps (77 and up) turn clockwise when viewed from the top. \\ (as opposed to 76 and older pumps that turn counter clockwise) ((needspeed of the XLFORUM ​https://www.xlforum.net/​showthread.php?​t=2071153&​page=7))
  
   * The gearshaft is in a worm gear configuration with the drive gear on the pinion shaft.   * The gearshaft is in a worm gear configuration with the drive gear on the pinion shaft.
Line 283: Line 284:
 {{:​techtalk:​ih:​oil:​77-_85_oil_pump_drawing_by_hippysmack.jpg?​direct&​400|}} ((drawing by Hippysmack)) {{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_transfer_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack)) {{:​techtalk:​ih:​oil:​77-_85_oil_pump_drawing_by_hippysmack.jpg?​direct&​400|}} ((drawing by Hippysmack)) {{:​techtalk:​ih:​oil:​77-85_oil_pump_feed_transfer_by_hippysmack.jpg?​direct&​300|}} ((photo by Hippysmack))
  
-  * This pump has two hose fittings; ((ironheadjunkie of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1400314&​page=2))+  * This pump has two hose fittings; ((ironheadjunkie of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​131846-oil-line-routing/​page2?​t=1400314&​page=2))
     * The rear fitting is the oil feed.     * The rear fitting is the oil feed.
     * The front fitting (above the oil pressure switch) is the oil return.     * The front fitting (above the oil pressure switch) is the oil return.
Line 291: Line 292:
  
 {{:​techtalk:​evo:​oil:​oil_pressure_switch_threads_by_hippysmack.png?​direct&​300|}} ((drawing by Hippysmack)) \\ {{:​techtalk:​evo:​oil:​oil_pressure_switch_threads_by_hippysmack.png?​direct&​300|}} ((drawing by Hippysmack)) \\
 +
 ===== Pump Changes / Features ===== ===== Pump Changes / Features =====
 See the link in the sub documents above for 77-85 Oil Pump - Parts Lists and Upgrades. \\ See the link in the sub documents above for 77-85 Oil Pump - Parts Lists and Upgrades. \\
Line 308: Line 310:
   * See "77-85 Oil Pump Parts Lists and Upgrades"​ above for the complete list and years for all the changes.   * See "77-85 Oil Pump Parts Lists and Upgrades"​ above for the complete list and years for all the changes.
  
- +{{:​techtalk:​ih:​oil:​oil_line_routing_3_by_hopper.jpg?​direct&​300|}} ((photo by Hopper of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​50355-and-yet-another-77-ground-up-rebuild/​page10?​t=209347&​page=10)) \\
-{{:​techtalk:​ih:​oil:​oil_line_routing_3_by_hopper.jpg?​direct&​300|}} ((photo by Hopper of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=209347&​page=10)) \\+
  
 |{{:​techtalk:​ih:​oil:​77_style_oil_pump_by_2_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77_style_oil_pump_by_1_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77_oil_pump_parts_by_northern_bobber.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​77_style_oil_pump_by_2_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77_style_oil_pump_by_1_ironheadjunkie.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​77_oil_pump_parts_by_northern_bobber.jpg?​direct&​300|}}|
-|  77-E83 Style Oil Pump ((photos by ironheadjunkie of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1400314&​page=2)) ​ ||  77 Oil Pump Parts ((photo by northern bobber of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2027306&​highlight=oil+pump+gear)) ​ |+|  77-E83 Style Oil Pump ((photos by ironheadjunkie of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​131846-oil-line-routing/​page2?​t=1400314&​page=2)) ​ ||  77 Oil Pump Parts ((photo by northern bobber of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​190191-did-my-oil-pump-die-on-me?​t=2027306&​highlight=oil+pump+gear)) ​ |
  
 |{{:​techtalk:​ih:​oil:​79_style_oil_pump_1_by_peteroo.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​79_style_oil_pump_2_by_peteroo.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​79_style_oil_pump_3_by_peteroo.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​oil:​79_style_oil_pump_1_by_peteroo.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​79_style_oil_pump_2_by_peteroo.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​79_style_oil_pump_3_by_peteroo.jpg?​direct&​300|}}|
-|  79 Oil Pump ((photo by Peteroo of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=2070085)) ​ ||| +|  79 Oil Pump ((photo by Peteroo of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-motor-engine/​sportster-motorcycle-bottom-end/​193934-oil-pump-hard-to-spin?​t=2070085)) ​ |||
- +
- +
  
 ====== Oil Pump Drive Gears (1957-1985) ====== ====== Oil Pump Drive Gears (1957-1985) ======