Description
Contracted from aluminum, the cylinder is lined with a nickel-carbide coating for durable, reliable performance.Built from race proven designs to Yamaha factory specifications.Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more.Maximizes HP and service life in Yamaha Dirt Bikes and offroad vehicles.Fits the following rides Yamaha YZ 125 1997-2004