| Diagram | Fig. 3 — CRANKCASE · ref 37 |
| Subsystem | engine bottom |
| Listed in parts books | 1970 |
BSA Crankcase with fixed fittings
A crankcase casting listed with its fixed fittings already installed, from a single 1970 catalog entry.
This is a crankcase listing, sold as a unit with its fixed fittings already in place. The catalog entry we have is brief - it comes from a single figure titled CRANKCASE, with a year listing of 1970 and no further breakdown of what's included beyond that description.
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The manufacturer field on this one points to BSA, but we don't have a model name or engine family named anywhere in our record to back that up further, so treat that as a starting point rather than a confirmed fact. A crankcase like this is the main bottom-end casting that houses the crankshaft and supports the rest of the engine internals, with certain fittings machined or fitted in from the factory rather than added later.
Given how little detail we've got on this part number, call the shop before you order so we can confirm what engine it's meant for and whether it matches what you're working on.
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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