The GF40 40cc Four Stroke Gas RC Engine is the perfect choice for hobbyists and enthusiasts seeking power and precision. This high-performance engine delivers superior torque and responsiveness, making it ideal for large-scale radio-controlled airplanes and other vehicles. Its four-stroke design ensures improved fuel efficiency and reduced emissions, providing a cleaner and quieter experience. Crafted with durability in mind, the GF40 features robust construction and advanced cooling technology to maintain optimal performance under demanding conditions. Elevate your RC experience with the exceptional reliability and power of the GF40.
Displacement: 2.438 cu in (39.96 cc)
Bore: 1.57″ (40mm)
Stroke: 1.251″ (31.8mm)
Practical RPM Range: 1,800-9,000
Weight: Engine, 42.3oz (1200g)
Muffler, 4.0oz (113g)
Ignition Module, 3.4oz (95g)
Gasoline/Oil Mixture: 30:1 – 50:1
25:1 fuel/oil mixture if brand of oil states 50:1 mix
Crankshaft Size: UNF5/16-24
Length from Backplate to Drive Hub: 4.7″ (118.5mm)
Length from Center of Crankcase to Drive Hub: 3.1″ (78.6mm)
Length from drive hub to end of Crankshaft: 1.6″ (41mm)
Length from Carburetor to end of Crankshaft: 7.8″ (197.6mm)
Height from Center of Crankshaft to Rocker Cover: 4.9″ (126.7mm)
Height bottom of Crankcase/top of Rocker Cover: 6.2″ (157.2mm)
Distance between Vertical Mounting Hole Centers: 2.1″ (54mm)
Distance between Horizontal Mounting Hole Centers: 2.7″ (70mm)
Width of Cover Plate: 3.3″ (83.7mm)
