Kawasaki STX-15F - Manual (Page 21)

GENERAL INFORMATION 1-11
General Specifications
Items JT1500-A1 ∼ A2
Engine
Type 4-stroke, DOHC, 4-cylinder, water cooled
Displacement 1 498 mL (91.4 cu in.)
Bore and Stroke 83 × 69.2 mm (3.27 × 2.72 in.)
Compression Ratio 10.6 : 1
Maximum Horsepower 118 kW (160 PS) @7 500 r/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 plug:
Type NGK CR9EK
Gap 0.7 ∼ 0.8 mm (0.028 ∼ 0.031 in.)
Ignition Timing 3° 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 1 190 ∼ 1 799 kPa (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.)