11103 1956 from serial number 56KH-1465 to 66 all, 1967 to 1969 XLCH
11119 1967-1970 XLH, 1970 XLCH
The clutch gear O-ring keeps oil out of the dry clutch.
It is used from 1956 serial number 56KH-1465. The 1967 dry clutch electric start clutch gear takes a bigger O-ring. Wet clutch Iron Sportsters do not use any O-ring.
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11103 on left, near the early model dry-clutch gear with the extentison pressed in. The 11119 is on the right. It is much bigger and goes in that wide groove in the electric start dry clutch gear above it.
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