A push rod assembly to suit the UMS 7-77cc — the seven-cylinder 77cc four-stroke radial from UMS.
On this engine the component is the push rod assembly, which carries cam motion up to the rocker arm.
Why this part matters: push rods bend if the engine is turned over with a valve stuck, and a bent rod stops that cylinder breathing correctly. Supplied as a pack of 4, which is how these small parts are normally bought — you rarely need just one.
Fitting note: Roll the rod on a flat surface to check straightness before fitting.
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