SKU:952067
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
Upgrade your Yamaha YZ 125 with the ATHENA YZ 125 Big Bore Kit, part number P400485100030, designed to boost engine power and efficiency. This high-quality kit features precision-engineered components that seamlessly increase the displacement of your motorcycle's engine, delivering more torque and horsepower for competitive racing or recreational riding. Crafted from durable materials, the ATHENA big bore kit ensures longevity and reliable performance under demanding conditions. Whether you are looking to improve overall acceleration or achieve higher top speeds, this kit provides a significant performance upgrade without extensive modifications.
Features:
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