A inlet pipe to suit the UMS 7-90cc — the seven-cylinder 90cc four-stroke radial from UMS.
On this engine the component is the inlet pipe, feeding the air/fuel charge to the cylinder.
Why this part matters: a cracked inlet pipe leaks air and leans that cylinder. Supplied as a pack of 10, which is how these small parts are normally bought — you rarely need just one.
Fitting note: Check the flanges and renew the gaskets.
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