FA-125A AAC with Muffler: AG (SAIE125A)

  • FA-125A AAC with Muffler: AG (SAIE125A)

$ 374.99

Only Saito could put 1.25 cubic inches of power into a 1.00-size case. Not only is the FA-125 lighter and more powerful than the FA-120 it replaces, its unique size allows modelers to apply its awesome power to a wide variety of airplane sizes. It will work with anything from .90-size sport aerobats all the way up to 1.20-size sport and IMAC planes. As with most Saito engines, the FA-125A is available in a stunning Golden Knight version with a gloss black finish and gold-plated valve covers.

With 10 fewer ounces and .05 more cubic inches than the FA-120 it replaces, the FA-125A gives new meaning to the term “escape velocity.” Just bolt one to the nose of Hangar 9’s ShowTime™ 90 and you’ll see what we mean.

Key Features

  • Less weight but more thrust
  • 10 ounces lighter than the FA-120
  • Turns an APC 16x6 at 9,000 rpm
  • 13mm Muffler threads


Benchmark Prop: APC 16X6 @ 9000 rpm
Bore: 1.24 in (31.7mm)
Carb Type: 2 Needle
Crank Type: Dual Ball Bearing
Crankshaft Threads: M8 x 1.25mm
Cylinder Type: AAC
Cylinders: Single
Displacement: 1.25 cu. in. (20.52 cc)
Engine (Only) Weight: 21.87 oz (620 g)
Mounting Dimensions: 119 x 60 x 127mm
Muffler Type: Cast
Prop Range: 15x7 - 17x6
RPM Range: 1800 - 10000 rpm
Recommended Fuel: Glow
Stroke: 1.02 in (26.0mm)
Total Weight: 24.69 oz (700 g)

Vendor Saito

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