300ex Engine..brand new with only 4 races on it. Bored .80 over (298cc), sparks oversized valves w/ titanium retainers, Sparks MX cam, heavy clutch springs, new stator, Shaved head, Port and Polished intake and exhaust, hardend rocker arms, cometic gaskets, great youth production or sport class motor.....strong motor! Extra gaskets included...comes with starter rebuild kit too..
NEW PRICE! $650 SHIPPED, motor is NEW..