This is a complete replacement piston kit for your Ruima big bore 70cc (48mm) cylinder for your Minarelli Horizontal engine. This piston features a 48mm bore, 10mm pin, and 2 ring piston. This is exactly what you need to rebuild your engine and get you back on the road.

Kit comes with piston, rings, 10mm wrist pin and clips.

This part fits:
Scooters using the Ruima 48mm cylinder with a 10mm wrist pin on the Minarelli Horizontal engine.
Fits on Ruima Cylinder SKU #21.6003