OS Engines 13941 Max-21 XM Version II, Outboard (20J) and 2050-2 Muffler, Nitro Fuel Model Boat Engine (OSM13941)

O.S. Max-21xm Ver.II should be installed from the outside, the boat motor with poplar boats. O.S. With the first version of this engine, he won 11 championships.

The machine provides optimum cooling with a specially processed refrigerant head. The exhaust is mostly extended for power and torque.

The excellent port timing, exhaust output compression ratio and carburetor diameter are produced completely for racingrs.

20J carburetor has high speed and idle needles.Mufflerpressure line,lower unit oils and a constant flow sends.

The propeller height and angle can be adjusted independently. The bronze propeller shaft provides maximum durability.

#8 spark plugs and 42 x 1,2 nuts without nuts are released from the box.