| Diagram | Fig. 6 — OIL PUMP, GEARBOX SPROCKET · ref 39 |
| Subsystem | gearbox |
| Listed in parts books | 1970–1971 |
BSA Housing — oil pump spindle
Housing for the oil pump spindle, part number 71-1138, from the oil pump and gearbox sprocket area of the parts book.
This is the housing for the oil pump spindle, part number 71-1138, showing up in the gearbox area on the parts book pages that cover the oil pump, the gearbox sprocket, and the pressure release valve. It's a small fitting that carries the spindle running the oil pump, so it sits right in the lubrication path at the back of the engine/gearbox assembly.
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Our catalog record only ties this one to appearances in 1970 and 1971 listings, and it doesn't spell out much beyond the description and the figures it lives on. If you're chasing this down for a rebuild, have your other oil pump and gearbox sprocket parts on hand so you can check fit before you order.
Call the shop if you want us to confirm this is the right housing for what you're working on — we're happy to talk through it with you.
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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