FG-40 40cc 4-stroke Gasoline Engine

813,00 incl. 25% VAT

Delivery time usually 1 weeks – for more detailed delivery information write to us


  • Displacement: 40.21 cc
  • Bore: 40.0 mm
  • Stroke: 32.0 mm
  • Carb Type: Walbro/Saito
  • Crank Type: Threaded
  • Crankshaft Threads: M8 x 1.25
  • Cylinder Type: Ringed
  • Cylinders: Single
  • Engine (Only) Weight: 1250 g
  • Muffler Type: Cast
  • Muffler Weight: 84 g
  • Oil Type & Content: 20:1 gas/oil mixture
  • Prop Range: 19×10 – 21×10
  • RPM Range: 1,700 – 8,000
  • Recommended Fuel: Gasoline
  • Total Weight: 1440 g

Out of stock

SKU: 00380-106 Category:


There are many advantages to going with gas, like cleaner operation and cheaper fuel. Saito™ 4-stroke gas engines give modelers more, such as high-quality standards matched only by impeccable workmanship.

The RC industry’s most reliable manufacturer of top-quality gas 4-stroke engines introduces the Saito FG-40 gas engine. Slightly larger than the FG-36 gas engine, it provides more power for medium to large planes accompanied by the precision craftsmanship of Saito engines, the distinguished look and sweet sound, this is the engine many of you have been waiting for. The engine comes with the smaller Saito 4-stroke ignition module that provides easy starts and reliable performance with lower power consumption. The designed Walbro carburetor features a rotating barrel specially made for 4-stroke engines, ensuring reliable fuel feed and outstanding performance at any attitude. The FG-40 engine comes complete with an aluminum engine mount and muffler.

As an expert in reliable 4-strokes, the Saito brand has spent years developing the best-built 4-stroke gas engine. The power-to-weight ratio of a Saito engine creates a one-of-a-kind flying experience. For serious modelers, the long awaited arrival of a high-quality, powerful and precision craftsmanship gas engine is here.

Manual: https://www.saito-mfg.com/PDF/instruction/eng/4st/FG-40hp.pdf

Additional information

Weight 3 kg


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