FG-20 4-Stroke Gas Engine
Key Features
The first 4-stroke 20cc gasoline engine gives modelers a better option for .60- to .90-size projects Fueled by gasoline to save up to 90% in operating costs over similar nitro power systems Exclusive pump-style carburetor allows for easy starting and operation with less weight than comparable styles
High quality, professional finish adds scale realism

Overview
The Saito Electronic ignition system requires the use of a 4.8- to 6.0-volt battery for proper operation. A capacity of 1000mAh or more is recommended.
Specs
Type:4-stroke
Displacement:1.25 cu in (20.52cc)
Bore:1.24 in (31.7mm)
Stroke:1.02 in (26.0mm)
Cylinders:Single AAC
Total Weight:30.1 oz (850 g - with muffler and ignition)
Engine (Only) Weight:21.87 oz (620 g)
Muffler Weight:2.89 oz (80 g)
Crankshaft Threads:M8 x 1.25mm
Prop Range:15x7û16x6 2-blade; 14x9û15x7 3-blade
RPM Range:1,800û10,000 rpm
Fuel:Gas oil mix of 20:1 (20:1 is recommended for break in and continuous operation)
Mounting Dimensions:152 x 60 x 126mm
Muffler Type:Cast
Cylinder Type:AAC
Carb Type:2-needle Saito gas carburetor
Crank Type:Dual ball bearing