Details
| Diagram | Fig. 1 — CYLINDER HEAD, EXHAUST PIPE · ref 10 |
| Subsystem | engine top |
| Listed in parts books | 1969–1970 |
BSA Exhaust valve guide
Exhaust valve guide for the cylinder head, part number 41-0633.
PN · 41-0633
41-0633 is an exhaust valve guide, the fixed sleeve pressed into the cylinder head that the exhaust valve stem rides in and pivots against as the valve opens and closes. It shows up in the cylinder head and exhaust pipe sections of the parts books, which is exactly where you'd expect a valve guide to live.
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