Athena Cylinderkit Big Bore 144cc Yamaha YZ125 05-20

Athena 144cc Cylinder Kit

3-7 dgr levtid

• Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
• Forged piston with molybdenum coating
• Special gasket kit
• Easy-to-follow step-by-step installation instructions
• All are bolt-on; no machining required (unless otherwise indicated)

Assembly requires user to make boring of engine crankcase