shaved head .040 over weisco featherlite pistons , boyesen carbonfiber reeds, weisco crankshaft,
YZ250 SHAVED HEAD PORTED AND POLISHED WITH PORTEED WATER JACKETS PRO X CONNECTING ROD,ALL BALLS BEARINGS WEISCO FEATHER LITE PISTON STD BORE W/ 245LBS COMP RUNNING ON 110 RACE GAS SUPER FAST TRICKY TO START COLD.
