Kawasaki STX-15F Jet Ski User Manual


 
GENERAL INFORMATION 1-11
General Specifications
Items JT1500-A1 A2
Engine
Type
4-stroke, DOHC, 4-cylinder, water cooled
Displacement
1498mL(91.4cuin.)
Bore and Stroke 83 × 69.2 mm (3.27 × 2.72 in.)
Compression Ratio 10.6 : 1
Maximum Horsepower 118kW(160PS)@7500r/min(rpm)
Maximum Torque 152 N·m (15.5 kgf·m, 112.1 ft·lb) @7 250 r/min (rpm)
Ignition System Digital transistor
Lubrication System Forced lubrication (semi-dry sump)
Carburetion System FI (fuel injection) MIKUNI AC 60 × 1
Starting System Electric starter
Cylinder Numbering Method Front (bow) to rear (stern), 1-2-3-4
Firing Order 1-2-4-3
Valve Timing:
Inlet:
Open 22.5° BTDC
Close 67.5° ABDC
Duration 270°
Exhaust:
Open 74.5° BBDC
Close 9.5° ATDC
Duration
264°
Tuning Specifications
Spark p lug:
Type NGK CR9EK
Gap 0.7 0.8 mm (0.028 0.031 in.)
Ignition Timing ATDC @1 300 r/min 32° BTDC @3 000 r/min (rpm)
Idle Speed 1 300 ±100 r/min (rpm) -in water
1 300 ±100 r/min (rpm) -out of water
Compression Pressure 1190 1799kPa(12.1 18.3 kgf/cm², 173 261 psi) @430
r/min (rpm)
Drive System
Coupling Direct drive from engine
Jet Pump:
Type Axial flow single stage
Thrust 4 250 N (434 kgf, 955 lb)
Steering Steerable nozzle
Braking Water drag
Performance
†Minimum Turning Radius
4.0 m (13.1 ft)
†Fuel Consumption 43 L/h (11.4 US gal/h) @ full throttle
†Cruising Range 134 km (87 mile) @full throttle 1 hour and 26 minutes (3 person)
Dimensions
Overall Length 3 120 mm (122.8 in.)