Replacement wire harness assembly for the UMS 7-77cc, the seven-cylinder 77cc four-stroke radial from UMS.
Function: it is the ignition wire harness assembly connecting the ignition module to the sensors and coils.
The reason this ends up on an order: replaced when connectors corrode or wiring chafes through, which is the usual cause of an intermittent ignition fault. Supplied as a pack of 2, which is how these small parts are normally bought — you rarely need just one.
Fitting note: Support the harness so vibration cannot fatigue the conductors, and check each connector pin.
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