2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 17Get this manual
GENERAL INFORMATION 1-11 General pecifications
Items Engine Type Displacement Bore and Stroke Compression Ratio Maximum Horsepower Maximum Torque Ignition System Lubrication System Carburetion System Starting System Cylinder Numbering Method Firing Order Valve Timing: Inlet: Open Close Duration Exhaust: Open Close Duration Tuning Specifications Spark lug: Type Gap Ignition Timing Idle Speed Compression ressure Drive System Coupling Jet Pump: Type Thrust Steering Braking Performance Minimum Turning Radius Fuel Consumption Cruising Range Dimensions Overall Length JT1500-A1 A2 4-stroke, DOHC, 4-cylinder, water cooled 498 mL (91.4 cu in 83 69.2 mm (3.27 2.72 in 10.6118 kW (160 PS) 500 rmin (rpm) 152 Nm (15.5 kgfm, 112.1 ftlb) 250 rmin (rpm) Digital transistor Forced lubrication (semi-dry sump) FI (fuel injection) MIKUNI AC 60 Electric starter Front (bow) to rear (stern), 1-2-3-4 1-2-4-3