Description: This is the O.S. Engines GF40 4-Stroke Gasoline Engine Features: Ideal for aerobatic or scale aircraftSame firewall mounting system as the O.S. GT33Walbro carburetor witn integrated choke rod guide that simplifies installation, choke rod guide is integrated with backplatePositive Crankcase Ventilation (PCV) helps keep model and environment cleaner without blow-by gas and oil wasteTwo year limited warranty through Hobby Services beginning at date of purchaseIncludes: GF40 4-Stroke Gasoline EngineCM6 Spark PlugMufflerIgnition Module and InstructionsRequires: 2-cycle oil, see SPECSIgnition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack LiPo battery requires voltage regulatorPropeller: 18x8 for break-in, 18x8-12, 19x8-10 20x8-10Mounting standoffs, length depends on aircraftGasoline safe fuel tubing and fuel filterSpecifications: Displacement: 2.438 cu in (39.96 cc)Bore: 1.57" (40mm)Stroke: 1.251" (31.8mm)Practical RPM Range: 1,800-9,000Weight: Engine, 42.3oz (1200g)Muffler, 4.0oz (113g)Ignition Module, 3.4oz (95g)Gasoline/Oil Mixture: 30:1 - 50:125:1 fuel/oil mixture if brand of oil states 50:1 mixCrankshaft Size: UNF5/16-24Length 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)
Price: 859 USD
Location: TaipeiTaipei City
End Time: 2025-01-18T08:37:53.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: O.S.
Type: 4-Stroke Engine
Compatible Vehicle Type: Airplanes
Compatible Fuel Type: Gasoline
MPN: Does Not Apply
Compatible Scale: 1:4, 1:5, 1:6, 1:8, 1:10, 1:12
