Saito Engines 100 FA-AAC Four Stroke Glow Engine w/Muffler: QQ

Super-Sized Power for Your .60-Size Plane! The FA-91 is one of the most popular selling engines in Saito's extensive line of four-strokes. The .91 fits perfectly into most airplanes designed for .60-size two-strokes offering the ability to swing larger diameter props with more thrust than the two-stroke. Additionally many pilots simply prefer the powerful sound of a four-stroke! Now Saito™ is offering a four stroke glow powered engine that offers even more power than the .91 but that's similar in size and weight.

Saito's new FA-100 will turn an APC 14 x 8 prop 300 to 700 rpm more than either the Saito .91 or O.S. .91. At only 19.2 ounces (less muffler), it weighs nearly 2 ounces less than other manufacturers comparable engines! The Saito FA-100 is not just a punched out .91. It features a newly tooled case that shares the mounting dimensions of the O.S. 91. This allows it to be used with the many after-market engine mounts already available to fit this engine.

In testing, Saito 100 idled and transitioned beautifully from the first start due to the included new Hangar 9™ Super Plug (HAN3011) that now comes with all Saito engines. This plug greatly improves idle and transition in all four-stroke engines. In flight, the FA-100 was one smooth operator. Transition and idle were clean and crisp with instantaneous response. No dead sticks occurred in the first six test flights, despite purposefully long high-altitude idles, followed by rapid full-throttle transitions.

If you're looking for a powerful lightweight four-stroke to power your latest .60 through .90-size project, you don't have to settle on a 91. Check out Saito's new FA-100.


  • Same mounting dimensions as O.S. 91 Surpass
  • 1.00-size in a .91-size case


  • Type: 4-stroke
  • Displacement: 1.10 cu in (17.10 cc)
  • Bore: 1.14 in (29.0 mm)
  • Stroke: 1.02 in (26.0 mm)
  • Cylinders: Single - Chrome Plated
  • Total Weight: 20.9 oz
  • Engine (Only) Weight: 19.5 oz
  • Muffler Weight: 1.4 oz
  • Crankshaft Threads: 8x1.25mm
  • Benchmark Prop: APC 14 x 8
  • Prop Range: 13x9 - 14x10
  • RPM Range: 2,000 - 11,000
  • Fuel: 10%-30% Synthetic
  • Mounting Dimensions: 115x60x128 mm
  • Muffler Type: Cast
  • Cylinder Type: AAC
  • Carb Type: Barrel, 2 Needle Valve
  • Crank Type: Ball Bearing

This product was added to our catalog on February 8, 2010.

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