A silencer assembly to suit the UMS 9-115cc — the nine-cylinder 115cc four-stroke radial from UMS.
On this engine the component is the silencer assembly, which collects the exhaust from the cylinders and reduces noise.
Why this part matters: silencers crack at the welds and corrode from the inside, and a cracked silencer is noisy, can leak hot gas and can come apart in flight.
Fitting note: Check the welds and mounting points closely and support the silencer so vibration is not carried by the joints.
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