Two 2006 Kawasaki STX-12F Jet-Skis with Trailer

The engine also has four valves per cylinder, fuel injection and an electronic engine control unit (ECU) that coordinates the ignition system and fuel injection to provide maximum performance and reliability. The fuel injection system itself utilizes a single 54mm throttle body and individual injectors at each chrome composite-plated aluminum cylinder to provide fuel for the high-performance engine, resulting in smooth power delivery and instant starting in any kind of weather.