Kawasaki ZXR 750 (1989)

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The Kawasaki ZXR 750 (1989) motorcycle is a four-stroke, transverse four-cylinder bike with a capacity of 749 cc / 45.7 cu-in. It has a liquid-cooled engine with a compression ratio of 10.8:1 and uses 10W/40 engine oil for lubrication. The motorcycle features four 36mm Keihin CVKD carburettors, digital ignition, and NGK CR9E spark plugs. The bike is electrically started and can achieve maximum power of 105.3 hp / 78.4 kW @ 10500rpm and a maximum torque of 6.76 Kg-m / 48.8 lb-ft @ 9000rpm. The clutch is a multiplate wet (oil submerged) hydraulic type, and the transmission is a six-speed one with a chain final drive. The frame is made of aluminium perimeter and has a 43mm telescopic front suspension with adjustable preload and 12-way rebound damping. The front wheel travel is 120 mm / 4.7 in. The bike also has a Uni Track monoshock rear suspension with adjustable preload and 4-way rebound damping, 140mm wheel travel. The front brakes are 2x 310mm discs 4 piston calipers while the rear brakes have a single 230mm disc and 2 piston caliper. The bike has a rake of 24.5 degrees and a trail of 100 mm / 4.04 in. The wheelbase is 1455 mm / 57.2 in and the dry weight is 205 kg / 451.9 lbs. The Kawasaki ZXR 750 has a fuel capacity of 18 litres / 4.7 US gal and an average consumption of 17.6 km/lit. It has a top speed of 245.5 km/h / 152.5 mph and can reach the quarter-mile distance in 11.40 sec / 120.5 mph. The bike has been subject to road tests by Motociclismo (1989), Motosprint Group Test (1988), Motosprint Group Test (1989), and Motosprint Group Test (1990).

Technical specifications:

Make Model: Kawasaki ZX-R 750-H1

Year: 1989


Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 749 cc / 45.7 cu-in
Bore x Stroke: 68 x 51.5 mm
Cooling System: Liquid cooled
Compression Ratio: 10.8:1
Lubrication: Wet sump
Engine Oil: 10W/40
Induction: 4x 36 mm Keihin CVKD (Constant Velocity) carburettors
Ignition: Digital
Spark Plug: NGK, CR9E
Starting: Electric
Max Power: 105.3 hp / 78.4 kW @ 10500rpm
Max Power Rear Tyre: 94.1hp / 70.1 kW @ 10400 rpm
Max Torque: 6.76 Kg-m / 48.8 lb-ft @ 9000rpm
Clutch: Multi plate wet (oil submerged) hydraulic

Transmission: 6 Speed
Final Drive: Chain
Frame: Aluminium perimeter
Front Suspension: 43mm Telescopic forks. adjustable preload and 12-way rebound damping,
Front Wheel Travel: 120 mm / 4.7 in
Rear Suspension: Uni Track monoshock. adjustable preload and 4-way rebound damping, 140mm wheel travel.
Front Wheel Travel: 140 mm / 5.5 in
Front Brakes: 2x 310mm discs 4 piston calipers
Rear Brakes: Single 230mm disc 2 piston caliper
Front Tyre: 120/70 ZR17
Rear Tyre: 170/60 ZR17
Rake: 24.5 degrees
Trail: 100 mm / 4.04 in
Wheelbase: 1455 mm / 57.2 in
Dry Weight: 205 kg / 451.9 lbs
Fuel Capacity: 18 Litres / 4.7 US gal
Consumption average: 17.6 km/lit
Braking 60 – 0 / 100 – 0: 13.3 m / 37.5 m
Standing 1/4 Mile: 11.40 sec / 120.5 mph
Top Speed: 245.5 km/h / 152.5 mph

Road Tests: Motociclismo 1989 Motosprint Group Test 1988 Motosprint Group Test 1989 Motosprint Group Test 1990

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