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Kawasaki GPZ 900 R (reduced Effect) - 1990 Specifications and Reviews

The 1990 Kawasaki GPZ 900 R reduced effect is a middleweight sport bike that delivers accessible performance for riders seeking thrilling yet manageable power. Its 908cc in-line four engine produces 100 horsepower, offering spirited acceleration and nimble handling at 257kg. Best known as an approachable alternative to full-bore superbikes, it suits enthusiasts wanting sport bike excitement without overwhelming aggression.

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General information

CategorySport
Year1990
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 dimensions150/70-18
Front tyre dimensions120/70-17

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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