O.S. Engines

FS120III Pump Ring 70N Carb This is one of the O.S. Surpass series of 4-stroke model engines. The Surpass series is the 2nd series of 4-stroke engines (The 1st series was the FS series, discontinued and replaced by the Surpass series around 1986-7). "Surpass" refers to this series gaining 30% more power than the previous FS series. Features Specially developed PD-07 pump New 70N carb Ball bearing-supported camshaft and crankshaft New F-5020 Silencer Two year warranty 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. Requires 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% (CATP9109) may be used because it has 18% oil content....