Differences
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techtalk:ih:oil03 [2019/05/30 01:11] hippysmack [Production Oil Pumps] |
techtalk:ih:oil03 [2019/12/04 00:26] hippysmack [Sub Documents] |
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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. \\ | ||
+ | ** | ||
+ | Some pump gear data from kitabel**: ((kitabel of the XLFORUM http://xlforum.net/forums/showthread.php?p=5792413#post5792413)) \\ | ||
+ | The pitch distance of 14 & 16 tooth pumps is not the same. \\ | ||
+ | All driven and idler gears have .422" ID center holes. \\ | ||
+ | 14 tooth gears (1952-61) are .970" OD. \\ | ||
+ | All feed gears are .217" thick. \\ | ||
+ | All return gears are .360" thick. \\ | ||
+ | 16 tooth gears (1962-76, also all 45 & UL return pumps) are 1.115" OD. \\ | ||
+ | 1962-71 feed are .185" thick. \\ | ||
+ | 1962-71 return .375" thick. \\ | ||
+ | 1972-76 return .398" thick. \\ | ||
+ | 45 & UL 1937-73 return .315" thick. \\ | ||
+ | Inspect your spares and purchases carefully - 1936-* OHV BT gears are 14 tooth, but .990" OD and only the driven gears have .422" ID hole (the idlers are .342"). \\ | ||
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====== XR-750 Oil Pumps (only) ====== | ====== XR-750 Oil Pumps (only) ====== | ||
* From 1972 to 1989, the gear driven oil pump went through several changes. | * From 1972 to 1989, the gear driven oil pump went through several changes. | ||
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* Each plate will fit any 77-85 oil pump as a set with it's specific seal. | * Each plate will fit any 77-85 oil pump as a set with it's specific seal. | ||
* 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. | ||
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+ | {{: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|}}| |