Shop/Category/Fig. 30 — A70 MODEL — Except for the following, all other items are as A65 Lightning/BSA Thrust washer — crankshaft
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| Diagram | Fig. 30 — A70 MODEL — Except for the following, all other items are as A65 Lightning · ref 9 |
| Listed in parts books | 1972 |
BSA Thrust washer — crankshaft
Crankshaft thrust washer, BSA part 71-2681.
PN · 71-2681
This is a thrust washer for the crankshaft, cataloged under BSA part number 71-2681. Thrust washers on a crank sit at the mains and take up end float, keeping the crankshaft located fore-and-aft in the cases as the engine runs.
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