This is the Saito .91 Special AAC 4-Stroke Engine with Muffler. This engine is great for .60-size sport planes, warbirds, and scale aircraft. The reliable starting and easy tuning make this perfect for that next Cub or whatever project you want to have a great sounding and awesome looking engine! People will love that 4-stroke sound! This engine comes with a 3-year warranty.
Built for horsepower, the .91 still uses the same case as the FA-65/80 but puts out a whopping 1.7 hp. Famed Radio Controlled Modeler columnist and engine guru Clarence Lee calls the .91S "a real stump puller...". Compared to popular competitors, the lightweight AAC 91S wins the power-to-weight ratio contest hands down. You will be astonished at the power, reliability and smoothness of this engine when you see it for yourself.
Type: 4-strokeDisplacement: .91 cu in (15.0 cc)Bore: 1.11 in (28.20 mm)Stroke: 0.94 in (24.00 mm)Cylinders: Single - Chrome PlatedEngine (Only) Weight: 19.6 ozCrankshaft Threads: M7 x 1mmBenchmark Prop: 14 x 6 Zinger @ 9,100Prop Range: 12x8 - 15x6RPM Range: 2,000 - 11,000Fuel: 10% - 30% SyntheticMounting Dimensions: 116 x 60 x 117 mmMuffler Type: CastCylinder Type: AACCarb Type: Barrel, 2 Needle ValveCrank Type: Ball Bearing
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