06-09 YAMAHA YZ450F: CYLINDER WORKS BIG BORE KIT - 478CC
Take your 450cc engine and add 3mm for a big bore 478cc with the Cylinder Works kit. The Cylinder Works big bore kit includes: big bore cylinder, big bore piston, piston pin, piston pin rings, gasket kit. Note: to achieve optimum performance re-jet the carburetor with t...
01-12 YAMAHA YZ250F: Cylinder Works Big Bore Kit - 269Cc
Take your 250cc engine and add 3mm for a big bore 269cc with the Cylinder Works kit. The Cylinder Works big bore kit includes: big bore cylinder, big bore piston, piston pin, piston pin rings, gasket kit. Note: to achieve optimum performance re-jet the carburetor with t...
04-08 KAWASAKI KX250F: Cylinder Works Big Bore Kit - 269Cc
Take your 250cc engine and add 3mm for a big bore 269cc with the Cylinder Works kit. The Cylinder Works big bore kit includes: big bore cylinder, big bore piston, piston pin, piston pin rings, gasket kit. Note: to achieve optimum performance re-jet the carburetor with t...