| Diagram | Fig. 10 — CLUTCH AND PRIMARY COVER · ref 18 |
| Subsystem | primary |
| Listed in parts books | 1969–1970 |
BSA Clutch retaining nut
Clutch retaining nut for the primary/clutch assembly, part number 40-3227.
This is the clutch retaining nut listed under part number 40-3227, found in the clutch and primary cover section of the parts book. It's the nut that holds the clutch assembly secured on its shaft inside the primary chaincase.
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The catalog record shows this nut appearing across entries from 1969 to 1970, but we don't have enough in our records to pin it to a specific model beyond that. If you're matching up a primary case rebuild, check the nut against your existing hardware before ordering.
Give the shop a call if you want us to confirm this is the right nut for what's in front of you before you order.
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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