Kawasaki GPZ 900 R (reduced Effect) - 1991 Specifications and Reviews
The 1991 Kawasaki GPZ 900 R (reduced effect) is a sport-touring motorcycle powered by a liquid-cooled 908cc inline-four engine producing 100 horsepower. Best known as the original superbike that revolutionized motorcycle performance, this reduced-effect version suits riders seeking practical speed with manageable power delivery. Its balanced chassis and six-speed transmission make it ideal for both spirited road riding and touring duties.
General information | |
| Category | Sport touring |
| Year | 1991 |
| Model | Kawasaki GPZ 900 R (reduced effect) |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | DOHC |
| Valves per cylinder | 4 |
| Bore x stroke | 72.5 x 55.0 mm (2.9 x 2.2 inches) |
| Compression | 11.0:1 |
| Power | 100.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 908.00 ccm (55.41 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 257.0 kg (566.6 pounds) |
| | |
Kawasaki GPZ 900 R (reduced Effect) dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Dual disc |
| Rear tyre dimensions | 130/80-18 |
| Front tyre dimensions | 120/80-16 |
Speed and acceleration | |
| Top speed | 240.0 km/h (149.1 mph) |
Other specs | |
| Fuel capacity | 22.00 litres (5.81 gallons) |

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