The single cylinder engine of the SP-55 series is designed with twin spark plugs and can be equipped with a carburetor or a fuel injection. The rear output shaft and the position of the carburetor or the fuel injection on the side, make this engine to one of the most compact 1-cylinder engines on the market. Because of the rear output shaft, a generator can be mounted on the back of the engine. All fuel injected engines are equipped with the ignition HKZ215 and the ECU030.
The SP-55 FI TS ROS is the smallest 1 cylinder engine with rear output shaft in the Sky power portfolio. A twin-spark single-cylinder system and our with the EFI version also our smallest fully integrated ECU managed system offering full hybrid functionality