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Model: OS Motors OSMG0800
Dist. #: OSMG0800   SKU: OSMG0800

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Updated on Jul 20, 2018 11:48:53 PM

GF40 4-Stroke Gas Engine w/F-6040 Muffler...
This is the O.S. Engines GF40 4-Stroke Fuel Engine.

FEATURES:
Ideal for aerobatic or scale aircraft
Same firewall mounting system as the O.S. GT33
Walbro carburetor witn incorporated choke rod guide that streamlines
    setup, choke rod guide is incorporated with backplate
Favorable Crankcase Ventilation (PCV) assists keep design and environment
    cleaner without blow-by gas and oil waste
Two year minimal warranty through Pastime Provider starting at date of
    purchase

CONSISTS OF:
GF40 4-Stroke Fuel Engine, CM6 Glow Plug, Muffler, Ignition
    Module and Instructions

REQUIRES:
2-cycle oil, see SPECIFICATIONS
Ignition Battery: 4.8-6.0V NiCd or NiMH, 6.6V LiFe or 7.4V LiPo pack
    LiPo battery requires voltage regulator
Prop: 18x8 for burglary, 18x8-12, 19x8-10 20x8-10
Installing standoffs, length depends on aircraft
Fuel safe fuel tubing and fuel filter

SPECIFICATIONS:
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 Mix: 30:1 - 50:1
    25:1 fuel/oil mixture if brand name of oil states 50:1 mix
Crankshaft Size: UNF5/16-24
Length from Backplate to Own Center: 4.7" (118.5mm)
Length from Center of Crankcase to Own Center: 3.1" (78.6mm)
Length from drive center 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 in between Vertical Mounting Hole Centers: 2.1" (54mm)
Distance in between Horizontal Mounting Hole Centers: 2.7" (70mm)
Width of Cover Plate: 3.3" (83.7mm)
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