1978 Kawasaki Z1-R

1978 Kawasaki Z1-R

Kawasaki released the 1978 Kawasaki Z1-R in 1978 with a 1015cc DOHC inline-4 powerplant making 90hp — a definitive cafe racer.

Specifications

Engine

Type
DOHC inline-4
Displacement
1015 cc
Cylinders
4
Power
90 hp @ 8000 rpm
Torque
82.0 Nm
Compression
Bore × Stroke
70.0 × 66.0 mm
Cooling
Air-cooled
Fuel System
4x Mikuni carburetors

Chassis & Transmission

Frame
Steel double cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Dual disc
Rear Brake
Single disc
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
215 km/h (134 mph)
¼ Mile

Dimensions & Weight

Dry Weight
240 kg (529 lbs)
Wet Weight
260 kg (573 lbs)
Seat Height
810 mm
Wheelbase
1505 mm
Ground Clearance
Fuel Capacity
19.0 L

History & Story

The 1978 1978 Kawasaki Z1-R was introduced by Kawasaki as a cafe racer aimed at riders seeking cafe racer performance and style. Manufactured in Japan, it represented Kawasaki's vision for the four-cylinder cafe racer market during the 1970s.

The 1978 Kawasaki Z1-R is motivated by a 1015cc DOHC inline-4 four-cylinder unit delivering 90hp at 8000 rpm. Breathing through 4x Mikuni carburetors and kept cool by air-cooled, the engine drives through a 5-speed transmission with chain final drive.

The chassis employs a steel double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from dual disc front and single disc rear brakes. Tipping the scales at 240 kg (529 lbs) dry, the 1978 Kawasaki Z1-R offers a manageable riding experience with a 1505 mm wheelbase.

Performance-wise, the 1978 Kawasaki Z1-R achieves a claimed top speed of 215 km/h (134 mph). With a generous fuel capacity of 19.0 liters, it offers reasonable range for cafe racer duties. The seat height of 810 mm makes it comfortable for most riders.

Today, the 1978 Kawasaki Z1-R 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 1970s.

Known Issues

  • Cam chain issues on high-mileage engines
  • Oil leaks from gaskets and seals
  • Electrical system gremlins

Fun Facts

  • The 1978 Kawasaki Z1-R was one of the largest-displacement motorcycles of its era
  • The 1978 Kawasaki Z1-R is considered one of the most collectible motorcycles from Kawasaki
  • The 1978 Kawasaki Z1-R is widely regarded as a milestone in motorcycle history

Collector Information

Parts Availability
Good
Collector Rating
8/10

Resources & Parts