Athena Big Bore Cylinder Kit (392cc) – 68.00mm Bore P400485100024
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.
Yamaha YFZ350 Banshee 1987-2006