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Kawasaki Specifications

Kawasaki GPz 900R Ninja (1984-85)

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Kawasaki GPz 900R Ninja (1984-85)

At a glance

Capacity
908 cc / 55.4 cu-in
Power
115 hp / 86 kW @ 9500 rpm
Torque
8.7 kgf-m / 63 lb-ft @ 8500 rpm rpm
Seat height
760 mm / 29.9 in

The full picture.

The Kawasaki GPz 900R Ninja (ZX900 Ninja) was a motorcycle produced from 1984-1985. It had a liquid-cooled four-stroke, transverse four-cylinder DOHC engine with 4 valves per cylinder and a capacity of 908cc. The bike had a compression ratio of 11.0:1 and used 4x 34mm Keihin CVK34 carburetors for induction. The ignition was battery-powered and fully electronic, while the starting mechanism was electric. The motorcycle had a maximum power output of 115 hp at 9500 rpm and a maximum torque of 8.7 kgf-m at 8500 rpm. It had a 6-speed transmission and a chain final drive. The frame was made of iron and designed with a double cradle structure. The front suspension featured 39mm telehydraulic forks air-assisted, while the rear suspension was a rising rate link-system with a single shock and 4-stage rebound-damping. The front brakes were dual 280mm discs with 1 piston calipers, and the rear brake was a single 270mm disc with a 1 piston caliper. The motorcycle had a wheelbase of 1425 mm and a seat height of 760 mm, with a dry weight of 228 kg and a wet weight of 257 kg. The fuel capacity was 22 liters, and the average consumption was 40.8 mpg. The standing 1/4 mile was achieved in 10.9 sec at a speed of 122.4 mph, while the top speed was 247.8 km/h or 154 mph. The Kawasaki GPz 900R Ninja (ZX900 Ninja) was part of a 1985 motosprint group test.


Technical specifications:

Make Model: Kawasaki GPz 900R Ninja (ZX900 Ninja)

Motorcycle technical specifications
Year1984 – 85
EngineFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity908 cc / 55.4 cu-in
Bore x Stroke72.5 x 55 mm
Cooling SystemLiquid cooled
Compression Ratio11.0:1
Induction4x 34mm Keihin CVK34 carburettors
IgnitionBattery ignition, full electronic!
StartingElectric
Max Power115 hp / 86 kW @ 9500 rpm
Max Torque8.7 kgf-m / 63 lb-ft @ 8500 rpm rpm
Transmission6 Speed
Final DriveChain
FrameIron, Double cradle frame
Front Suspension39mm Telehydraulic forks air assisted.
Front Wheel Travel140 mm / 5.5 in
Rear SuspensionRising rate link-system with single shock, adjustable preload by air pressure, 4-stage rebound-damping
Rear Wheel Travel115 mm / 4.5 in
Front Brakes2x 280mm discs 1 piston calipers
Rear BrakesSingle 270mm disc 1 piston caliper
Front Tyre120/80 V16
Rear Tyre130/80 V18
Trail91 mm / 3.5 in
Wheelbase1425 mm / 56.1 in
Seat Height760 mm / 29.9 in
Dry Weight228 kg / 502 lbs
Wet Weight257.0 kg / 566.6 lbs
Fuel Capacity22 Litres / 5.8 US gal
Consumption Average40.8 mpg
Standing 1/4 Mile10.9 sec / 122.4 mph
Top Speed247.8 km/h / 154 mph
Road TestBike Group Test Motosprint Group Test 1985