MOTOR OS 25FX II (21L) W/MUFFLER 892 12662

O.S.Engine MAX-25FX-II

The O.S.Engine 25FX-II is a high performance side exhaust aero 2-stroke engine that is suitable for many styles of small R/C aircraft such as sport, scale, aerobatic and even .25 class pylon racers. The 25FX II uses a direct needle 21L carburetor for excellent usability and a 892 silencer with adjustable exhaust direction. O.S.'s legendary standard of build quality is evident throughout.

Specifications:

• Displacement: 4.07cc

• Bore: 18mm

• Stroke: 16mm

• Power Output: 0.83hp @ 18.000RPM

• Practical RPM Range: 2.500-19.000

• Weight: 250g (engine, 62g (muffler)