| Also known as | 40-3073, T1164 |
| Diagram | Fig. 5 — GEAR CLUSTER · ref 55 |
| Subsystem | engine bottom |
| Listed in parts books | 1963–1964, 1968–1972 |
SHIFT LEVER TR25W/BSA650
Foot-operated gearchange lever listed for the TR25W and BSA650 twins, PN 57-1164 (also 40-3073).
This is the shift lever listed in the books as fitting the TR25W and the 650cc BSA twins, carried under part number 57-1164 with the older reference 40-3073 also tied to the same piece. It is the lever the rider works with their foot to move the gearbox through its ratios, mounted on the end of the gearchange shaft outside the cover.
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The catalog note ties this lever to the TR25W and BSA650 models, and cross-shop listings widen that out to other BSA singles and twins of the era, so it turns up under a few different bike names depending on whose parts book you're holding. If you're not sure which lever your machine actually takes, give us a call with your frame or engine number and we'll sort out the right one before you order.
We don't have extra detail on file beyond the basic listing for this one, so if you need finish or fitment specifics beyond what's here, check with the shop before you buy.
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