Vertex Piston Sx350F
Complete standard bore kits
Complete standard bore high compression kits
Complete Big Bore Kits
Includes cylinder, piston kit and gaskets
Matched with vertex pistons to ensure longevity, performance and reduce engine noise
Replacement piston, gaskets, and ring sets available
Cylinder looks just like stock
Nickel silicon carbide plated for longer life
No machine work needed *
Replacement cylinder for standard bore only
*Honda CRF250R and CRF250X require slight case modification. Kit comes with instructions.
‡Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)
+Yamaha YZ85 cylinder head modification required.
# Yamaha YZ85 cylinder head modification required, AND +2mm strocker crank required.
