KX250F VALVE ADJUSTMENT AND TOP END REBUILD PART 1
Wiseco kawasaki kx250f 2007-2008 top bottom engine rebuild crank kit piston gsk the bottom end rod bores are case hardened to 58-62 rc to optimize bearing running surface. Each is case hardened for maximum life and smooth operation at high RPM’s. Hassle Free, direct bolt in equipment, no machining or boring.