O.S. FS-120S-III 1.20 Four Stroke Glow Engine
This is the OS Engines FS-120 Surpass III four stroke ring engine, with 70N carburetor and pump. Tremendous 4-stroke power for high-demand applications!
- New regulating style pump delivers better response and is more reliable
- Quieter than before, thanks to a larger muffler
- Rear ball bearing is greased internally and rubber-sealed on both sides
- The crankshaft, cam shaft and piston ring are plated to resist corrosion
- Features a reversible carburetor and black rocker cover
- Displacement: 1.2 cu in (19.7 cc)
- Bore: 1.197 in (30.4 mm)
- Stroke: 1.083 in (27.5 mm)
- Practical rpm: 2,000-12,000
- Output: 2.1 hp @ 12,000 rpm
- Weight: 32.5 oz (920 g)
- Recommended Props: 14x9, 14x10, 14x11, 15x8, 15x9, 15x10, 16x6
This product was added to our catalog on February 11, 2009.