O.S. Max Two-Stroke 1.20AX ringed engine without a muffler.
Ideal for 3D, precision and sport flying.
Mounts in same space as the .91FX (actual mounting dimensions vary slightly, see SPECS)
Steel piston ring and liner, aluminium piston
Carburetor: 70D with rearward angled needle valve for safety.
Glowplug: O.S. #8 supplied with engine, A5 can also…