Replacement bottom cover assembly for the UMS 7-77cc, the seven-cylinder 77cc four-stroke radial from UMS.
Function: it is the complete bottom cover assembly with its hardware.
The reason this ends up on an order: supplied as an assembly so the cover and its fixings are renewed together, which avoids chasing a leak onto old screws.
Fitting note: Fit a new gasket and torque the screws in stages.








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