- Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
- Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
- Nickel Silicon Carbide plated for long life
- Kits come complete with gaskets, cylinder, piston, rings, pin and clips
- Big bore cylinders do not require machine work
- Made in the U.S.A.
Yamaha -- WR 250 F -- (2013, 2003, 2001, 2006, 2008, 2004, 2007, 2009, 2005, 2010, 2011, 2012, 2002); Yamaha -- YZ 250 F -- (2002, 2004, 2011, 2003, 2005, 2007, 2008, 2012, 2010, 2006, 2009, 2013, 2001)