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Image for FG-73R5 73cc 5-Cylinder 4-Stroke Gas Radial Engine from HorizonHobby
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FG-73R5 73cc 5-Cylinder 4-Stroke Gas Radial Engine
  • Overview
  • Specs
  • Manuals & Support
Benchmark Prop: 22x10", 23x10"
Bore: 1.14" (29.0mm)
Crankshaft Threads: M10x1.25
Cylinders: Five
Displacement: 4.4 cu in (72.7 cc)
Engine (Only) Weight: 13.4oz (380g)
Length: 7.2" (182mm) mounting bracket to drive washer
Oil Type & Content: 2-stroke
Outer Diameter: 9.0" (230mm)
Prop Range: 22x10 - 23x10
RPM Range: 1,200 - 7,000
Recommended Fuel: Gasoline
Starter Type: Bump
Stroke: 0.87" (22.0mm)
Total Weight: 13.4oz (380g)
Type: Gasoline powered 5-cylinder Radial

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