UMS 5-210cc TEFLON BUSH INLET PIPE ( X 10 QTY / Pack)

Replacement teflon bush inlet pipe for the UMS 5-210cc, the five-cylinder 210cc four-stroke radial from UMS.

Function: it is the PTFE (Teflon) bush in the inlet pipe, which allows the pipe to move without an air leak.

The reason this ends up on an order: the bush is what keeps the joint sealed while isolating vibration, and a worn bush leaks air into the induction. Supplied as a pack of 10, which is how these small parts are normally bought — you rarely need just one.

Fitting note: Do not substitute a plain bush — PTFE is chosen for the temperature and for low friction.