Athena Big Bore Cylinder Kit (70cc Bolt On) - 47.66mm Bore 070200

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets.
Includes Forged piston, rings, clips and pin.
Athena top-end gasket set includes required seals and hardware.
Easy-to-follow step-by-step installation instructions.
Most are bolt-on; no machining required except where noted.

This item fits the following vehicle applications:
Yamaha YJ50 Vino 2002-2004
Yamaha YJ50RA Vino Classic 2002-2005
Yamaha YW50 Zuma 2002-2005