Cylinder Works Big Bore 269cc Cylinder Kit +3mm For YZ250F 01-08

Description

The Cylinder Works +3mm Big Bore Cylinder Kit is a high-quality upgrade for Yamaha YZ250F (2001-2008) and WR250F (2001-2013) models, increasing displacement to 269cc (or 285cc with Hot Rods #4199). Designed for durability and performance, the cylinder features a nickel silicon carbide-plated sleeve for longevity and reduced engine noise. This kit includes a precisely honed cylinder, Vertex piston, rings, pin, clips, and gaskets, ensuring easy installation without the need for additional machine work. The cylinder closely resembles the OEM design while offering enhanced performance. Replacement piston, gasket, and ring sets are available separately.