| Diagram | Fig. 7 — CLUTCH · ref 20 |
| Subsystem | primary |
| Listed in parts books | 1969–1970 |
BSA Clutch adjusting screw (1/4" British Standard Cycle × 5/8")
Clutch adjusting screw, 1/4" BSC x 5/8", used to set clutch lever free play.
This is the clutch adjusting screw listed in the CLUTCH and CLUTCH AND PRIMARY COVER sections of the parts books, cut to 1/4" British Standard Cycle thread by 5/8" length. It's the small screw that sits in the clutch pressure plate or actuating mechanism and gets turned in or out to set clutch lever free play.
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The catalog record ties this part to appearances spanning 1969 through 1970, and the manufacturer heuristic on this one points to BSA, though the figure titles alone don't spell out which specific machine it came out of. If you're chasing this down for a rebuild, it's worth double-checking your own clutch assembly against the thread and length given here before you order.
It's a simple, low-cost adjuster, but getting the thread wrong means it won't seat right in the plate, so confirm fitment against your actual parts before assuming this is the one you need.
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