Kawasaki ZXR 750 (reduced Effect) - 1990 Specifications and Reviews

The 1990 Kawasaki ZXR 750 is a lightweight sport bike designed for riders seeking accessible middleweight performance. Its 100-horsepower liquid-cooled four-cylinder engine and nimble 231kg frame deliver responsive handling and spirited acceleration. Best known for blending race-inspired styling with practical everyday usability, it appeals to enthusiasts wanting genuine sportbike character without excessive power or weight.

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General information

CategorySport
Year1990
ModelKawasaki ZXR 750 (reduced effect)

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder4
Bore x stroke71.0 x 47.3 mm (2.8 x 1.9 inches)
Compression10.8:1
Power100.00
Stroke4
Engine typeIn-line four
Capacity:749.00 ccm (45.70 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc231.0 kg (509.3 pounds)

Kawasaki ZXR 750 (reduced Effect) dimensions and frame

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions180/55-17
Front tyre dimensions120/70-17
 
 

Speed and acceleration

Top speed231.0 km/h (143.5 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity18.00 litres (4.76 gallons)

Performance Profile & Rider Fit

100 hp
Peak Power
3.4s
0-60 mph
143.5 mph
Top Speed

Best For

Track85%
City40%
Cornering85%
Daily Riding35%
Touring30%
Passenger25%

Rider Profile

Best ForThis is a restricted/derated version of a race-bred 750cc sportbike, best suited to intermediate riders stepping up from smaller machines or licensing-restricted riders wanting the ZXR chassis experience.
PurposeBuilt primarily for spirited sport riding and trackday-style cornering rather than outright speed, given its de-tuned output relative to the full-power ZXR750.
Rider FitExpect an aggressive, forward-leaning riding position with high footpegs and low bars that demand decent wrist, shoulder, and core strength over longer rides.
CharacterA raw, early-90s inline-four race replica that rewards committed, focused riding with sharp steering and a peaky engine character even in reduced-power form.
Not Ideal ForNot a good fit for riders wanting upright comfort, passenger-friendly ergonomics, long-distance touring ease, or any off-road capability.

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

Rider Reviews

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