Athena 4-Stroke Cylinder kits
Available in standard and big bore sizes. 4 Stroke kits include a nickle carbide coated cylinder and designed with wider water jackets for extra cooling. Complete piston kit and Top
end gasket kit included .
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Be the first to review “Athena: Yamaha YZ250F, WR250F BIG BORE CYLINDER KIT 83mm 12.5:1 comp 290cc 01-2007”