Differences
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techtalk:evo:oil03 [2019/08/05 12:47] ixl2relax [Known Drive Gear Failure] |
techtalk:evo:oil03 [2020/06/06 02:27] hippysmack [Oil Pump Drive Gear] |
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====== Oil Pump Drive Gear ====== | ====== Oil Pump Drive Gear ====== | ||
**88 and up**: \\ | **88 and up**: \\ | ||
+ | A material change to cast iron for increased service life was implemented on April 23, 1992. ((HD Tech Tip #TT039 dated July 1992)) \\ | ||
+ | The new gear has a part number change to 26318-88A. This part will retrofit to all Sportster models, 1988 and later. \\ | ||
+ | |||
Below is a used gear that does show some wear. \\ | Below is a used gear that does show some wear. \\ | ||
{{:techtalk:evo:oil:91-up_oil_pump_drive_gear_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)){{:techtalk:evo:oil:illustration_of_helical_gear_tooth_formation_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) \\ | {{:techtalk:evo:oil:91-up_oil_pump_drive_gear_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)){{:techtalk:evo:oil:illustration_of_helical_gear_tooth_formation_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) \\ |