Saito Engines FA-120R3 Four Stroke Engine BH

Saito Engines
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The Saito™ brand continues to expand their radial engine line with the addition of the FA-120 3-cylinder radial. Ideal for 60- to 90-size models, the FA-120R3 is an upgrade from the FA-090R3 engine, featuring 33% larger displacement and more power—all at a lighter weight for a higher power-to-weight ratio. The FA-120R3 also comes with a 3-piece flex exhaust system, making for an all-inclusive package.

And, like all Saito engines, this powerhouse is engineered with that same Saito quality and reliability you have come to know and trust.

Key Features:

  • More power for 60- to 90-size planes
  • Proven performance and reliability
  • Fits great into round cowl planes


  • Type: 4-stroke airplane engine
  • Displacement: 1.2 cu. in. (19.2cc)
  • Bore: 0.9 in (22.4mm)
  • Stroke: 0.6 in (16.2mm)
  • Cylinders: 3
  • Total Weight: 31.4 oz (890g) w/ mufflers
  • Crankshaft Threads: 7 x 1mm
  • Benchmark Prop: APC 14 x 5 @ 9,400 rpm
  • Prop Range: 13 x 8 - 14 x 6
  • RPM Range: 1,800 - 10,000 (Max ground rpm 8,800-9,500)
  • Fuel: Glow
  • Muffler Type: Three flex tube exhaust hoses (included)
  • Cylinder Type: AAC

This product was added to our catalog on January 9, 2018