Differences
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techtalk:ih:general02 [2017/03/22 04:47] hippysmack |
techtalk:ih:general02 [2021/05/26 17:15] (current) hippysmack [Piston] |
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===== Piston ===== | ===== Piston ===== | ||
*Fit in cylinder: .003 - .004 in. loose | *Fit in cylinder: .003 - .004 in. loose | ||
- | *Ring Gap: .005 - .025 in. | + | *Ring Gap: .015 - .025 in. |
*Ring side clearance: .0035 - .005 in. | *Ring side clearance: .0035 - .005 in. | ||
*Piston pin fit: Light hand press fit at 70 degrees Fahrenheit. | *Piston pin fit: Light hand press fit at 70 degrees Fahrenheit. | ||
Line 202: | Line 202: | ||
- | |||
- | ====== 1970 - 1977 Sportster Transmission Specifications ====== | ||
- | |||
- | ===== Clutch ===== | ||
- | *Type | ||
- | * 1970: Dry - Multiple disc | ||
- | * 1971 & later: Wet - Multiple disc | ||
- | * Capacity: 1971 & later: 1900 in-lbs. | ||
- | * Set up Spring Pressure | ||
- | * 1970: 150 lbs. | ||
- | * 1971: 234 lbs. | ||
- | * 1972: 257 lbs. | ||
- | * Spring adjustment | ||
- | * 1970: 3/16 in. from inner surface of spring tension adjusting plate to outer surface of spring cup flange | ||
- | * 1971 - 1973: 11/32 in. from outer surface of outer drive plate to outer surface of releasing disc | ||
- | * Late 1974 & later: Fixed spacers standard length 1.530 in. | ||
- | * Clutch bearing: .0005 - .002 in. loose | ||
- | * Clutch cover | ||
- | * 1970: Must be leak proof. No gasket sealer | ||
- | * Clutch release rod movement | ||
- | * 1970: .095 - .115 in. | ||
- | |||
- | ===== Chain ===== | ||
- | *Type primary: 3/8 in. pitch triple chain | ||
- | *Looseness: 5/8 to 7/8 in. slack (cold engine) - 3/8 to 5/8 in. slack (hot engine) | ||
- | |||
- | ===== Starter ===== | ||
- | * Minimum clearance between clutch teeth on starter clutch gear and clutch with starter in up position: .040 in. | ||
- | * Crankshaft endplay: .001 - .007 in. | ||
- | |||
- | ===== Chain ===== | ||
- | *Type primary: 3/8 in. pitch triple chain | ||
- | *Looseness: 5/8 to 7/8 in. slack (cold engine) - 3/8 to 5/8 in. slack (hot engine) | ||
- | ===== Mainshaft Group ===== | ||
- | |||
- | |||
- | ===== Countershaft Group ===== | ||
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