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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
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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

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