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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.

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General information

CategorySport touring
Year1991
ModelKawasaki GPZ 900 R (reduced effect)

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder4
Bore x stroke72.5 x 55.0 mm (2.9 x 2.2 inches)
Compression11.0:1
Power100.00
Stroke4
Engine typeIn-line four
Capacity:908.00 ccm (55.41 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc257.0 kg (566.6 pounds)
 
 

Kawasaki GPZ 900 R (reduced Effect) dimensions and frame

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions130/80-18
Front tyre dimensions120/80-16

Speed and acceleration

Top speed240.0 km/h (149.1 mph)

Other specs

Fuel capacity22.00 litres (5.81 gallons)

Rider Reviews

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