O.S. GT15 Gas

Solid, gas-powered performance

The GT15 is the newest and smallest offering in the OS Engines gasoline engine line. It weighs only 904g and cranks out over 2 horsepower and 15,000 rpm! Plus, its compact enough to fit in most airplanes that require a 2-stroke 61-size or 4-stroke 91-size engine. The carburetor design is made specifically for this engine. Set also includes an ignition module.
Displacement: 0.91 cu in (14.95 cc) Bore: 1.090 in (27.7 mm) Stroke: 0.976 in (24.8 mm) RPM Range: 2000-15,000 Output: 2.37 hp @ 15,000 Engine: 22.3 oz (631 g) 22.257 Muffler: 6.3 oz (178 g) 6.27 Ignition Mod: 3.4 oz (95 g) 3.35 Total: 1.99 lb (904 g) Requires: Installation in plane and fuel.

O.S. Two Year Limited Warranty
  • Offers power equivalent to a .90 4-stroke or .60 2-stroke glow engine, with the superior fuel economy advantages of gasoline.
  • Features the same mounting pattern as the 65AX.
  • Specially designed O.S. carb makes tuning a breeze and delivers excellent throttle response; it comes equipped with a regulator and pump.
  • A special roller bearing on the large end of the conrod allows for 50:1 fuel/oil mixture.
  • Includes the compact IG-06 ignition module.
O.S. originally designed compact carburetor expressly for gasoline engine and pump are installed.
Ignition Module
A compact IG-0 Ignition Module is included with the motor for perfect starts every time.
Power Box Muffler
Standard size, lightweight, Powerbox™ muffler
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