Details
| Diagram | Fig. 3 — CRANKCASE · ref 36 |
| Subsystem | engine bottom |
| Listed in parts books | 1969 |
BSA Nut, crankshaft pinion (5/8" B.S.F.)
5/8" B.S.F. crankshaft pinion nut for the timing gear on the crankcase.
PN · 42-5864
This is the crankshaft pinion nut, a 5/8" B.S.F. nut that holds the timing-side pinion secure on the crankshaft. It shows up in the crankcase section of the parts book, so it lives down in the bottom end where the crank meets the timing gear train.
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