O.S. FS120 Surpass E OS L-OS35530

O.S. FS120 Surpass E OS L-OS35530 he FS120S engine - without a fuel pump or pressure regulated carb - but with all the other quality features found in the FS120S series of engines - the largest single cylinder 4 strokes in the O.S. range. Excellent for models where the fuel tank can be mounted normally. Designed to be used with 13 x 11~12 to 18 x 5~6 props. Supplied with an effective muffler and double lock nut system for the propeller.