O.S. engine is ideal for big scale and sport aircraft PD-08 diaphragm pump unit and 80R carburetor ensures constant fuel supply regardless of aircraft attitude, position of fuel tank or fuel level. Multi-directional F-6010 silencer for mild 4-stroke sound. Two year limited warranty.

Fuel: 5-30% nitro with at least 18% lubricant content
Propeller: 16x12-15, 16.5x12-14, 17x10-13, 18x6-12, 20x8 (break-in engine with prop intended for use on model)
Electric Starter: High torque Glow starter and field equipment