| Also known as | 66-102 |
| Diagram | Fig. 2 — CYLINDER AND CRANKSHAFT · ref 9 |
| Subsystem | engine bottom |
| Listed in parts books | 1969–1970 |
BSA Washer, spark plug
Spark plug washer, catalog number 66-0102 (also 66-102), fits at the plug seat in the cylinder head.
This is a spark plug washer, listed in the catalog under 66-0102, also written as 66-102. It shows up in the CYLINDER AND CRANKSHAFT and CYLINDER BARREL, EXHAUST PIPES, VALVES figures, which puts it right at the plug hole in the cylinder head.
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A spark plug washer seats between the plug and the head to seal the cylinder and keep the plug torqued down properly. Cheap to keep on hand and easy to overlook until you're mid-job and realize yours is crushed flat.
Our catalog record ties this one to appearances from 1969 to 1970. Confirm fitment against your head before ordering if you're outside that range.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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