1984 Kawasaki GPZ900R Ninja

1984 Kawasaki GPZ900R Ninja

Introduced in 1984, the 1984 Kawasaki GPZ900R Ninja features a 908cc DOHC inline-4 engine producing 115hp, establishing itself as a notable sport bike.

Specifications

Engine

Type
DOHC inline-4
Displacement
908 cc
Cylinders
4
Power
115 hp @ 9500 rpm
Torque
86.0 Nm
Compression
Bore × Stroke
72.5 × 55.0 mm
Cooling
Water-cooled
Fuel System
4x Mikuni carburetors

Chassis & Transmission

Frame
Steel diamond frame
Front Suspension
Anti-dive fork
Rear Suspension
Uni-Trak monoshock
Front Brake
Dual disc
Rear Brake
Single disc
Front Tyre
Rear Tyre
Transmission
6-speed
Final Drive
Chain

Performance

Top Speed
250 km/h (155 mph)
¼ Mile

Dimensions & Weight

Dry Weight
228 kg (503 lbs)
Wet Weight
248 kg (547 lbs)
Seat Height
780 mm
Wheelbase
1495 mm
Ground Clearance
Fuel Capacity
22.0 L

History & Story

Kawasaki's 1984 Kawasaki GPZ900R Ninja arrived in 1984 as a sport bike designed for the discerning rider. Produced in Japan, it quickly earned recognition as a capable sport bike from the 1980s.

At the heart of the 1984 Kawasaki GPZ900R Ninja sits a 908cc DOHC inline-4 engine producing 115 horsepower at 9500 rpm. The four-cylinder powerplant features a four-cylinder layout with water-cooled cooling, fed by 4x Mikuni carburetors. Power reaches the rear wheel through a 6-speed transmission and chain final drive.

Weighing 228 kg (503 lbs) dry, the 1984 Kawasaki GPZ900R Ninja uses a steel diamond frame frame, anti-dive fork front suspension, and uni-trak monoshock rear suspension. The braking system comprises dual disc front and single disc rear units.

Performance-wise, the 1984 Kawasaki GPZ900R Ninja achieves a claimed top speed of 250 km/h (155 mph). With a generous fuel capacity of 22.0 liters, it offers reasonable range for sport bike duties. The seat height of 780 mm makes it comfortable for most riders.

Today, the 1984 Kawasaki GPZ900R Ninja is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as good, making ownership relatively straightforward. It remains an icon of Kawasaki motorcycling from 1980s.

Known Issues

  • Cam chain issues on high-mileage engines
  • Electrical system gremlins

Fun Facts

  • With 115hp, the 1984 Kawasaki GPZ900R Ninja was considered extremely powerful when launched
  • The 1984 Kawasaki GPZ900R Ninja's top speed of 250 km/h made it one of the fastest production bikes of the 1980s
  • The 1984 Kawasaki GPZ900R Ninja is considered one of the most collectible motorcycles from Kawasaki
  • The 1984 Kawasaki GPZ900R Ninja is widely regarded as a milestone in motorcycle history

Collector Information

Parts Availability
Good
Collector Rating
8/10

Resources & Parts