Kawasaki STX-15F service manual General Specifications

	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.)