OS Max 25FX 2ST Glow Airplane Engine 21L E-892 Silencer

The O.S. Engine 25FX II is a high performance side exhaust aero 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 carburettor for excellent usability and a 892 silencer with adjustable exhaust direction.

Specification:
Weight: 260gr.
Capacity: 4.07cc
Bore: 18mm
Stroke: 16mm
Power Output: 0.84 ps (0.83 hp)
Practical RPM: 2,500 - 19,000