Monday, December 18, 2017
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OS Engines GF40 Gasoline Engine

Ideal for aerobatic or scale aircraft, the 4-stroke GF40 offers excellent torque and a realistic sound, plus fuel economy and the fit and finish O.S. is famous for. Other features include a Walbro® carburetor and an integrated choke rod guide that simplifies installation. The GF40 includes a muffler, spark plug, ignition module and a 2-year limited warranty. A Positive Crankcase Ventilation (PCV) system helps keep the model and the environment cleaner by preventing excessive blow-by of gas and oil waste.

Specifications:

Displacement: 2.438 cu in (39.96 cc)
Bore: 1.57 in (40 mm)
Stroke: 1.251 in (31.8 mm)
Practical RPM Range: 1,800-9,000
Weight:
• Engine: 42.3 oz (1200 g)
• Muffler: 4.0 oz (113 g)
• Ignition Module: 3.4 oz (95 g)
Includes: silencer, Walbro carb, ignition module
Recommended Props: 18 x 6W, 18 x 10, 18 x 12, 20 x 8W