The Kawasaki Z1100GP, also known as the GPz 1100-B1, was a motorcycle released in 1981. The bike was powered by a 4-stroke, transverse 4-cylinder engine with a capacity of 1089 cc and a compression ratio of 8.9:1. It was equipped with Bosch electronic fuel injection, electronic CDI ignition, and had a maximum power output of 108 hp at 8000 rpm and 95.1 Nm of torque at 7000 rpm. The bike featured a 5-speed transmission and a chain final drive.
The Z1100GP had front suspension with telescopic coil/air spring forks and a front wheel travel of 138 mm, while the rear suspension was a swinging arm with 2 dampers adjustable for preload and damping and had a rear wheel travel of 99 mm. The bike had front dual 270mm discs with 1 piston calipers, and a single 270mm disc with 1 piston caliper for the rear brakes. The front and rear wheels were fitted with 3.25-18 and 4.25-18 tyres respectively.
The Z1100GP had a wheelbase of 1540 mm and a seat height of 780 mm. The dry weight of the bike was 237.3 kg, while the wet weight was 255 kg. The bike had a fuel capacity of 21.4 litres and an average fuel consumption of 38.8 mpg. It could reach a top speed of 137 mph and cover the standing quarter-mile in 11.5 seconds with a top speed of 118 mph. Overall, the Kawasaki Z1100GP was a powerful and well-equipped motorcycle that was popular among performance enthusiasts in the early 1980s.
Technical specifications:
Make Model: Kawasaki GPz 1100-B1 / Z 1100GP
| Year | 1981 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Capacity | 1089 cc / 66.4 cu-in |
| Bore x Stroke | 72.5 x 66 mm |
| Cooling System | Air cooled |
| Compression Ratio | 8.9:1 |
| Induction | Bosch electronic fuel injection |
| Ignition | Electronic, CDI |
| Starting | Electric |
| Max Power | 108 hp / 81 kW @ 8000 rpm |
| Max Torque | 95.1 Nm / 70.2 lb-ft @ 7000 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Frame | Steel cradle design |
| Front Suspension | Telescopic coil/air spring forks |
| Front Wheel Travel | 138 mm / 5.4 in |
| Rear Suspension | Swinging arm with 2 dampers adjustable for preload and damping |
| Rear Wheel Travel | 99 mm / 3.9 in |
| Front Brakes | 2x 270mm discs 1 piston calipers |
| Rear Brakes | Single 270mm disc 1 piston caliper |
| Front Tyre | 3.25-18 |
| Rear Tyre | 4.25-18 |
| Wheelbase | 1540 mm / 60.6 in |
| Seat Height | 780 mm / 30.8 in |
| Dry Weight | 237.3 kg / 521 lbs |
| Wet Weight | 255 kg / 562 lbs |
| Fuel Capacity | 21.4 Litres / 5.5 US gal |
| Consumption Average | 38.8 mpg |
| Standing 1/4 Mile | 11.5 sec / 118 mph |
| Top Speed | 137 mph / 220 km/m |
