| Diagram | Fig. 7 — CLUTCH · ref 1 |
| Subsystem | primary |
| Listed in parts books | 1969–1971 |
VENTED PLUG BSA B50
Vented filler plug listed for the BSA B50.
This is a vented filler plug listed under BSA's B50 model. The catalog description is brief, and we don't carry much more detail on this one beyond the part number and the fact that it's a vented plug design.
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Given the BSA-specific listing, this isn't a Triumph part despite how it's filed in our system — the description points squarely at a BSA B50 application. If you're trying to match this up to your bike, give us a call and we'll confirm before you order.
We don't have appearance history on this part number across other catalog entries, so treat this as a straightforward one-line listing rather than something we can speak to in depth.
Sorry if we got something wrong here. If you think this information isn't correct, .

