CP Pistons makes a top quality forged YZ 250 piston for high performance and off road racing. CP produces these YZ 250 piston kits for several; model years of these powerful 2 stroke motocross bikes. In addition to these premium Yamaha YZ 250 piston kits, we also sell Cometic YZ 250 gasket kits. The gaskets are available with the pistons, or can be purchased independently.
Here at Campbell Enterprises we are proud to be a dealer for the entire line of CP Pistons brand performance and racing Yamaha 250cc pistons. These 2 stroke YZ 250 forged pistons are designed to be used in everything from a bike that is used for play riding on trails, to engines used in all out off road and motocross racing bikes. They are premium forged pistons which provide greatly improved strength, dependability, power and less weight. These CP Yamaha YZ 250 pistons come complete with a piston pin, pin locks, piston pin bearing and high performance piston rings. These pistons offer exceptional performance and durability and are engineered for maximum power output and acceleration.
CP Pistons 2002 - 2015 Yamaha YZ 250 Piston YZ 250 Piston and Gasket Kits
Stock Standard Bore size is 66.4mm (2.614") Stock Stroke is 72mm (2.835") Liquid Cooled 2 stroke single cylinder |
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Bore Size | Disp. | Comp | Installation Notes |
Piston Kit |
Gasket Kit |
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66.4mm standard bore | 250cc | - | deglaze cylinder | cp m21250
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cp c7855
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The piston and gaskets listed on this page fit the following model year YZ250 Dirt Bikes:
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Yamaha YZ 250 Piston Kits and Gaskets