The Kawasaki GPz900R Ninja was a motorcycle model that was released in 1989-1990. It had a liquid-cooled, transverse four-cylinder engine with four valves per cylinder and a capacity of 908cc. The bike had an iron double-cradle frame and a six-speed transmission. It was equipped with 41mm telescopic forks and a Uni-Trak air-assisted, single shock rear suspension. The brakes were 2x 300mm discs with four-piston calipers at the front and a single 250mm disc with a two-piston caliper at the back. The front tyre was a 120/70-17, while the rear tyre was a 150/70-18, and the bike had a trail of 91mm and a wheelbase of 1425mm. The bike weighed 228kg dry and had a fuel capacity of 22 litres, with an average consumption of 40.8mpg. The Kawasaki GPz900R Ninja could travel a standing quarter-mile in 11.3 seconds and had a top speed of 247.8 km/h or 154 mph.
Technical specifications:
Make Model: Kawasaki GPz 900 Ninja / ZX900R Ninja
| Year | 1989 – 90 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity | 908 cc / 55.4 cu-in |
| Bore x Stroke | 72.5 x 55 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 11.0:1 |
| Induction | 4x 34mm Keihin CVK34 carburettors |
| Ignition | Battery ignition, full electronic! |
| Starting | Electric |
| Max Power | 108 hp / 80.5 kW @ 9500 rpm |
| Max Torque | 8.7 kgf-m / 62.9 lb-ft @ 8500 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Iron, Double cradle frame |
| Front Suspension | 41mm Telescopic forks, air assisted four way anti dive. |
| Rear Suspension | Uni-Trak air assisted, single shock, 4-way adjustable damping. |
| Front Brakes | 2x 300mm discs 4 piston calipers |
| Rear Brakes | Single 250mm disc 2 piston caliper |
| Front Tyre | 120/70-17 |
| Rear Tyre | 150/70-18 |
| Trail | 91 mm / 3.5 in |
| Wheelbase | 1425 mm / 56.1 in |
| Seat Height | 790 mm / 31.1 in |
| Dry Weight | 228 kg / 502 lbs |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Consumption Average | 40.8 mpg |
| Standing 1/4 Mile | 11.3 sec |
| Top Speed | 247.8 km/h / 154 mph |
