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Product Details
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O.S. MAX 25FX w/892 Silencer
A high performance side exhaust engine that is suitable for many types of small R/C aircraft such as sport, scale and aerobatic. And with greater performance, durability & easier, safer handling than its predecessor, the 25SF, rear mounted needle it features a twin ballraced crank & comes complete with an 892 silencer, the 25FX is designed to be used with 9" x 5" propellers.
Specifications
Displacement 4.07cc 0.248cu. In.
Bore 18.0mm 0.708in.
Stroke 16.0mm 0.630cu. in.
Power Output 0.84/ 18000 (BHP/RPM)
RPM 2500 – 19000
Weight 248g
Specification
Propeller Range: 9x5 9x6 9x5.5 10x4 10x5
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