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.

  • 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.
  • Includes the compact IG-06 ignition module.
  • 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.
User manual for the OS GT15

Carburetor

O.S. originally designed compact carburetor

Pump OS15 GT

Gasoline Pump

Ignition Module

A compact IG-0 Ignition Module is included with the motor for perfect starts every time.

Powerbox Muffler

Standard size, lightweight, Powerbox™ muffler

Product Specifications

Engine (Only) Weight 22.26 oz (631 g)
Muffler Type 2-piece aluminum
Crankshaft Threads UNF5/16-24
Ignition Weight 3.35 oz (95 g)
Muffler Weight 6.28 oz (178 g)
Cylinders Single
Product Width 2.4" (61mm) at mounting tabs
Total Weight 32 oz (904 g)
Bore 1.091" (27.7mm)
Crankshaft Type Threaded
Power Type Gas
Plug Type CM6
Stroke 0.976 (24.8mm)
Product Height 4.3" (109mm) from crankcase bottom to top of cylinder head
Prop Range 13 x 8-11 - 15x8
RPM Range 2,000 - 15,000
Starter Type Hand Held Starter
Displacement 0.912 cu in (14.95 cc)
Oil Type & Content 2-cycle oil at 30:1 - 50:1 mix ratio
Product Length 4.2" (106.2mm) from pump to front bearing
Carb Type Rotary
SKU OSM38160
Barcode # 4531028023017
Brand OS Engines
Shipping Weight 1.0000kg
Shipping Width 0.200m
Shipping Height 0.100m
Shipping Length 0.200m
Shipping Cubic 0.004000000m3

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