Manufacturer of marine engines, boat engines, boat motors, jet engines, jet ski engines, jetski engines, marine motors, jet ski motors, motorboat engines, watercraft engines, inboard Engines, marine parts, boat parts. 155hp Marine Motor Engine for Personal Watercraft Jet Ski This is a jet ski(jet boat) engine and can be used as the marine inboard engine. The whole engine system includes the engine, jet pump, 70L big fuel tank and all the related parts. SPECIFICATION ENGINE Engine type 4 stroke Number of cylinders 4 Engine displacement 1100cc Rated Horsepower 147.5hp @ 10, 000 RPM Bore & Stroke 76*58 Compression Ratio 11.9: 1 Lubrication system Dry sump Cooling system Water cooled Start system Electric starter Max speed 105km/h DRIVE UNIT Propulsion system Jet pump Jet pump type Axial flow, single stage