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techtalk:ih:oil03 [2024/05/07 01:50] hippysmack [1977-1985] |
techtalk:ih:oil03 [2024/05/07 01:58] (current) hippysmack [1977-1985] |
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| ====== Oil Pump - Complete Unit Part Numbers ====== | ====== Oil Pump - Complete Unit Part Numbers ====== | ||
| ===== 1977-1985 ===== | ===== 1977-1985 ===== | ||
| - | There were 2 different styles of oil pumps used on Sportsters from 1977-1985: All year georotor pumps will bolt to any 1977-1985 motor. \\ | + | There were 2 different styles of oil pumps used on Sportsters from 1977-1985: All year georotor pumps will bolt to any 1977-1985 motor. \\ |
| + | [[techtalk:ih:oil03d|Click Here]] to see a break down of all the 77-85 pump changes per year. \\ | ||
| Factory 1977-E1983 style pumps should all have interchangeable internals. \\ | Factory 1977-E1983 style pumps should all have interchangeable internals. \\ | ||
| Factory L1983-1985 gerotors WILL NOT work in 1977-E1983 pump bodies or covers. \\ | Factory L1983-1985 gerotors WILL NOT work in 1977-E1983 pump bodies or covers. \\ | ||
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| Either early or late style gerotor gears may be used with late style (under-cut) oil pump bodies and covers. \\ | Either early or late style gerotor gears may be used with late style (under-cut) oil pump bodies and covers. \\ | ||
| 1977-E1983 style chamfered gerotor gears may (only) be used with early style oil pump bodies and covers. \\ | 1977-E1983 style chamfered gerotor gears may (only) be used with early style oil pump bodies and covers. \\ | ||
| - | Use of late style gerotor gears in early style oil pump bodies and covers could cause the oil pump to bind up and possible pump failure to follow. \\ | + | __Use of late style gerotor gears in early style oil pump bodies and covers could cause the oil pump to bind up and possible pump failure to follow__. \\ |
| Outer Divider Plate and oil seal: (2 plates, inner and outer, divide the feed and return cavities) \\ | Outer Divider Plate and oil seal: (2 plates, inner and outer, divide the feed and return cavities) \\ | ||
