CP Pistons Yamaha YZ 250F Dirt Bike Piston Kits Standard Bore, Big Bore and High Compression YZF250

CP Pistons, for those that demand the ultimate in engine performance!

High performance and racing Yamaha piston kits are available from CP Pistons for all model years of the YZ250F four stroke dirt bikes. Standard bore size and big bore YZ250F CP Pistons Yamaha dirt bike kits are all available here. These forged pistons will work with oversize valves as well as high lift camshafts as they include oversize valve reliefs. They incorporate a "X" style forging for greater strength, durability and reduced weight. Along with the full radius dome designs, high performance piston rings and lightweight piston pins, these pistons offer the highest quality and are engineered for maximum power output.

CP Pistons dirt bike racing pistons are used by top professional riders and teams including:

Each of the below kits include:
Piston
Piston Pin
Piston Rings
Pin Locks

Cometic top end gasket sets are available separately, but are not included with the piston kit. The matching top end gasket kit for each application is listed in the table below, along with the individual piston kit info.

Click on the part number in the table below for pricing or to order the piston and, or head gasket of your choice.