The SP-55 FI TS ROS 2-stroke single cylinder engine with 55 ccm is the largest single cylinder engine in the Sky Power lineup. It is equipped in the standard configuration with a twin ignition unit. The carburetor is top mounted.
The single cylinder engine is designed with twin spark plugs and can be equipped with fuel injection system. The rear output shaft and the position of the carburetor or the fuel injection on the side make this engine one of the most compact single-cylinder engines on the market.
The cylinder is casted aluminum and has been manufactured in its current form for over ten years. The Crankcase is CNC machined in order to be able to adjust customer specific parts to it.
Because of the rear output shaft, a generator can be mounted on the back of the engine.