Angular head design offers increased surface area for better cooling. The 55AX is better than ever, with an improved carburetor and muffler. You get the same phenomenal power, with the convenience and safety of a rear angled needle valve on the carb and a squared off muffler for easier cowling installation.

The O.S. .55AX ABL Glow Airplane Engine is better than ever, with an improved carburetor and muffler. You get the same phenomenal power, with the convenience and safety of a rear angled needle valve on the carb and a squared off muffler for easier cowling installation.

The AX series embody our new concept in this line-up with a new model, the 55AX, now having been added to the line. Based on the design philosophy of the MAX-120AX, the MAX-55AX has the same "Slant Head" and cylinder fin profile as well as the boxy "Power Box" silencer.

The O.S. .55AX ABL Glow Airplane Engine is better than ever, with an improved carburetor and muffler. You get the same phenomenal power, with the convenience and safety of a rear angled needle valve on the carb and a squared off muffler for easier cowling installation.

MAX-55AX (15612) For Scale and sport planes. Includes ・ No.8 plug ・ Wire for needle extension Spec

OS MAX 55 AX is a powerful two-stroke engine with a crankshaft mounted with a pair of ball bearings, suitable for sport and competition aerobatic models of all types. It is fitted with a 40K twin-needle carburettor, the main needle of which is angled backwards for safe adjustment when the engine is running.

Designed to combine maximum power with razor sharp throttle response in the smallest possible crankcase, the 55AX has the same mounting dimensions as the popular 46AX above, but an increase in power to 1.75PS. The dramatic AX fin styling is used for optimum cooling and the rearward angled needle on the carb makes adjustments safer.

The O.S. Max .55 AX Aircraft Engine with Muffler is better than ever, with an improved carburettor and muffler. You get the same phenomenal power, with the convenience and safety of a rear angled needle valve on the carb and a squared-off muffler for easier cowling installation.