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5 out of 5 Customer Rating

33cc 3-Cylinder Gas Radial Engine: BS

Item No. SAIEG33R3
Brand Logo
5 out of 5 Customer Rating

33cc 3-Cylinder Gas Radial Engine: BS

Item No. SAIEG33R3
$999.99 Price reduced from $1,149.99 to
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Product Details

Key Features

  • Horizon Hobby recommends the use of Red Line or Power Model synthetic oil only, at a mix ratio of 16:1 – 20:1


The Saito™ FG-33R3 engine is the gas/petrol version of the existing FA-200R3 glow engine. Above and beyond the advantages of a 4-stroke gas engine, this is the engine for those who like to run clean and efficient engines. Accompanied by the Saito power and precision craftsmanship, the distinguished look and sweet sound, this is the engine many of you have been waiting for. This engine provides easy starts and reliable performance due to the 2S LiPo-compatible electronic ignition. The Saito designed carburetor is specially made for 4-stroke engines, ensuring reliable fuel feed and outstanding performance at any attitude. Complete with mufflers, engine mount, and electronic ignition.

As an expert in reliable 4-strokes, Saito engineers have spent years developing the best-built 4-stroke gas engines. 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.

Product Specifications


Bore 1.10 in (27.0mm)
Crankshaft Threads 8 x 1.25mm
Cylinders Radial
Cylinder Type Ringed AAC
Displacement 2.00 cu. in. (32.98 cc)
Engine (Only) Weight 50.8 oz (1.44 kg)
Power Type Gas
Ignition Weight 7.1 oz (200 g)
Muffler Threads 12mm
Muffler Type Felixible tubes
Oil Type & Content High-quality synthetic, 20:1 mix
Plug Type SP-1 1/4-32 Spark Plug
Recommended Fuel 87+ octane gasoline
RPM Range 1,700-9,500 rpm
Stroke 0.80 in (19.2mm)
Total Weight 61.0 oz (1.73 kg)