Parts/Engines & fuel/Gas engines/Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Radial Engine
Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Radial Engine
Saito Engines

Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Radial Engine

Part # SAIEG90R3
Where to buy
$1999.99
AMain Hobbies
Seen Oct 12, 2026
$1999.99Buy
Horizon Hobby
Seen Oct 18, 2026
$1999.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Features

  • Horizon Hobby recommends the use of Red Line or Power Model synthetic oil only, at a mix ratio of 16:1 – 20:1
  • 2S Li-Po battery compatible ignition provides easy starts and reliable performance
  • Amazing 4-stroke sound Saito™ engine sound
  • Complete with electronic ignition, mufflers and engine standoffs
  • Increased-displacement version of the FG-84R3D
  • Updated intake design
  • Engine heat sink for improved cooling and performance

Specifications

Prop Range24x10" - 25x12"
Muffler Weight5.5oz (157g)
Engine (Only) Weight111.5 oz (3,161g)
Power TypeGas
Displacement90cc (6.0 cu in)
Oil Type & ContentPower Model 2T, or Red Line. 15:1 break in, 20:1 after.
Stroke27.6mm
Total Weight125.9 oz (3,568g)
Cylinder TypeRinged piston
Bore37.2mm
Muffler Type10mm Flex Exhaust Pipes included
Plug TypeCM6
RPM Range1,300 - 7,000
Ignition Weight8.8oz (250g)
CylindersRadial

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