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O.S. Engines

FS155-a Pumped 4-Stroke Engine

200-size power in a 120-size package!

How do you get 200-size power from a 120-size engine? O.S. calls it the FS155-a. Since the FS155-a is a pumped 4-stroke, you’ll enjoy 2.6 hp at all times, regardless of tank position, attitude or fuel level. Its novel recirculation system bathes working parts in constant lubrication, for less friction and wear!

  • Also included: F-6020 muffler, Type F glow plug & PD-08 pump.
  • 2-year limited warranty.

Displacement: 1.548 cu in (25.6 cc) RPM Range: 2000-11000 Output: 2.6 hp @ 10,000 rpm Weight with Muffler: 31.7 oz (900 g)

See Tower Hobbies Reviews at Hobbico, Hobby & Model Construction Supplies - Retail, Champaign, IL  
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