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3-Year Warranty GS-40 photo

25% more power than typical sport engines

Favorites for mid-size models, the economical GS-40 uses improved porting and timing to produce over 15% greater power than it's Series forerunners...and up to 25% more than typical sport .40s!

  • Improved design for stronger performance—yet still very economical

  • Bolt through silent muffler adds to savings and substantially reduces noise levels without power loss

  • Features Schnuerle-porting, ball bearings and a lightweight cast head

[ Click here for a review by RC Universe ]

Stock Number:
Displacement: 0.39 cu in (6.5 cc)
Practical RPM Range: 3,000-17,000 rpm
Output: 1.2 hp @ 15,500 rpm
Weight w/o muffler: 13.1 oz (372 g)
Weight with muffler: 19.1 oz (541 g)
Includes: GS-40 Carb, Silent Muffler .40-.51, Glow Plug
Recommended Props: 9x5, 9x6, 9x7, 9x8, 10x5, 10x6, 10x7, 11x4, 11x5
11003461 GS-40 Ring w/Silent Muffler Parts Listing


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