O.S. Surpass series of 4-stroke model engines have specially developed PD-07 pump. New 70N carb. Ball bearing-supported camshaft and crankshaft. New F-5020 silencer. Two year warranty. This product includes one assembled engine w/carburetor and #F glow plug. One muffler w/manifold. One set of instructions, O.S. poster, and decal. (Mounting Template Is No Longer Included per O.S.). One additional coarse needle for less sensitive carb adjustment.

Fuel: 5%-15% nitromethane with 18% lubricant. Synthetic, castor, or a synthetic/castor blend may be used. NOTE: Certain four-cycle fuels cannot be used due to low oil content. However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15% may be used b