ATHENA KTM SX250F RACING CYLL KIT , STOCK 76MM BORE 2006-12

2-Stroke Kits

“Race” cylinder kits include a nickel carbide coated cylinder ported to Factory “Works” specs., special hard anodized exhaust valves, complete piston kit and a top end gasket set

“Factory” cylinder kits include all parts in the “Race” kits plus an aluminum cylinder head with removable brass dome allowing for higher compression and anti-detonating features

4-Stroke Kits

Available in standard bore and big bore sizes

4-Stroke kits include a nickel carbide coated cylinder designed with wider water jackets, complete piston kit and a top end gasket set

NOTES:

A full line of replacement parts are available for all Athena cylinder kits.