Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| techtalk:ref:oil06 [2022/06/24 00:35] – [Return hole in the "duck bill"] hippysmack | techtalk:ref:oil06 [2024/08/28 01:33] (current) – [77-Present Sportster Oil Pump Comparisons] hippysmack | ||
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| ====== REF: Oiling & Lubrication ====== | ====== REF: Oiling & Lubrication ====== | ||
| - | ====== | + | ====== |
| Links to more oil pump pics and dims in the Sportsterpedia; | Links to more oil pump pics and dims in the Sportsterpedia; | ||
| [[techtalk: | [[techtalk: | ||
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| ====== Return to Feed Ratios ====== | ====== Return to Feed Ratios ====== | ||
| - | 77-85 feed gerotors have the smallest volume and smallest of the gerotor pumps used on Sportsters. \\ | + | 1977-1985 feed gerotors have the smallest volume and smallest of the gerotor pumps used on Sportsters. \\ |
| - | 86-06 feed gerotors have the same volume. \\ | + | 1986-2006 feed gerotors have the same volume. \\ |
| - | 77-97 return gerotors have the same volume. \\ | + | 1977-1997 return gerotors have the same volume. \\ |
| - | 98-06 return gerotors have the same volume. \\ | + | 1998-2006 return gerotors have the same volume. \\ |
| - | 77-06 gerotors all have the same teeth profile (bodies changed OD but volume per height stayed the same). \\ | + | 1977-2006 gerotors all have the same teeth profile (bodies changed OD but volume per height stayed the same). \\ |
| - | 06-present are the tallest and also have a different teeth profile. \\ | + | 2007-present are the tallest and also have a different teeth profile. \\ |
| * **77-85 return to feed ratio app 2.78:1** | * **77-85 return to feed ratio app 2.78:1** | ||
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| 1998-Present return inlet hole ID = 0.350" \\ | 1998-Present return inlet hole ID = 0.350" \\ | ||
| - | {{: | + | {{: |
| ====== Comparing 77-85, 98-06 and 07 and up Pumps ======= | ====== Comparing 77-85, 98-06 and 07 and up Pumps ======= | ||
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| - | The 79, 98 and 07 pumps were bolted to and outlined on the aluminum sheet. ((photos by Hippysmack of the XLFORUM | + | The 79, 98 and 07 pumps were bolted to and outlined on the aluminum sheet. ((photos by Hippysmack of the XLFORUM |
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| - | | L83 pump body and 86-90 cover. ((photo by jlv of the XLFORUM | + | | L83 pump body and 86-90 cover. ((photo by jlv of the XLFORUM |
| |{{: | |{{: | ||
