Kawasaki GPZ 900 R (reduced Effect) - 1992 Specifications and Reviews

The 1992 Kawasaki GPZ 900 R reduced effect is a sport-touring motorcycle designed for riders seeking a balanced blend of performance and practicality. Its 908cc liquid-cooled inline-four engine delivers 100 horsepower, offering accessible sport performance with manageable power delivery. Known for reliability and versatility, this model suits enthusiasts wanting spirited road riding without extreme aggression.

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General information

CategorySport touring
Year1992
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

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity22.00 litres (5.81 gallons)

Performance Profile & Rider Fit

100 hp
Peak Power
3.6s
0-60 mph
149.1 mph
Top Speed

Best For

Track55%
City55%
Cornering65%
Daily Riding65%
Touring78%
Passenger70%

Rider Profile

Best ForBest suited to riders with at least a couple of years of experience who are comfortable managing a torquey, liquid-cooled four with real weight and a restricted (de-tuned) but still meaningful power output.
PurposeDesigned as a sport tourer, it aims to blend confident highway speed and stability with enough comfort for longer rides rather than outright track performance.
Rider FitAt 257 kg with a fairly long wheelbase and a reach to the bars typical of early-90s sport tourers, it suits riders of average-to-tall height and reasonable strength for low-speed maneuvering.
CharacterA smooth, torque-rich in-line four wrapped in a stable chassis gives this bike a composed, confidence-inspiring, all-round character rather than a sharp or aggressive one.
Not Ideal ForNot ideal for new riders seeking a light, nimble first bike or for anyone wanting a dedicated off-road or track-focused machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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