A cam pin guide assembly to suit the UMS 5-250cc — the five-cylinder 250cc four-stroke radial from UMS.
On this engine the component is the cam pin guide assembly that keeps the cam follower aligned.
Why this part matters: renewed when the follower or guide shows wear, or as part of a bottom-end overhaul. Supplied as a pack of 2, which is how these small parts are normally bought — you rarely need just one.
Fitting note: Check follower condition before fitting.
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