| Diagram | Fig. 5 — 850 Engine: Crankcases, Filter, Breather, Tachometer Drive · ref 42 |
| Subsystem | engine bottom |
| Listed in parts books | 1973 |
Norton Circlip
A circlip used inside the crankcase assembly to retain a shaft, bearing, or gear component.
NM16948 is a circlip listed in the engine bottom-end section covering the crankcases, filter, breather, and tachometer drive. Circlips like this one are used to retain a shaft, bearing, or gear in place inside the crankcase assembly, keeping it from walking sideways under load.
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Our catalog record on this one is brief, just the single listing tied to 1973. We don't have additional detail on size or exact placement within the crankcase assembly beyond that.
If you're chasing this part down for a rebuild, call the shop and we'll confirm fitment before you order.
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.
Sorry if we got something wrong here. If you think this information isn't correct, .

