| Diagram | Fig. 10 — FRAME, FOOTRESTS, BATTERY CARRIER · ref 54 |
| Subsystem | electrical |
| Listed in parts books | 1969–1970 |
BSA Rear engine plate
Rear engine mounting plate for A50/A65 models, part number 68-4080.
This is a rear engine mounting plate, part number 68-4080. It's one of the plates that bolts to the back of the crankcase and ties the engine into the frame, and it shows up in the parts book alongside the frame, footrests, and battery carrier - so it's doing double duty as a structural piece that other bits hang off of.
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The catalog listing ties this one to the A50 and A65 model line. Beyond that, our records don't give us more detail on exact years or which specific variant it was fitted to, so if you're matching this to your bike, check it against what's currently on there before you order.
If you're pulling the engine or doing frame work, this is the kind of plate worth inspecting for cracks or elongated bolt holes since it's a stress-bearing part, not just a cover.
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