1974 Kawasaki Z1-A

1974 Kawasaki Z1-A

A standard motorcycle from 1974, the 1974 Kawasaki Z1-A delivers 82hp from its 903cc DOHC inline-4 engine.

Specifications

Engine

Type
DOHC inline-4
Displacement
903 cc
Cylinders
4
Power
82 hp @ 8500 rpm
Torque
73.0 Nm
Compression
Bore × Stroke
66.0 × 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
Single disc
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Chain

Performance

Top Speed
210 km/h (130 mph)
¼ Mile

Dimensions & Weight

Dry Weight
230 kg (507 lbs)
Wet Weight
250 kg (551 lbs)
Seat Height
820 mm
Wheelbase
1490 mm
Ground Clearance
Fuel Capacity
18.0 L

History & Story

In 1974, Kawasaki launched the 1974 Kawasaki Z1-A — a standard motorcycle that would come to define an era of motorcycling. Hailing from Japan, it combined Japan engineering with standard motorcycle appeal.

Powering the 1974 Kawasaki Z1-A is a 903cc DOHC inline-4 producing 82hp. This four-cylinder engine uses air-cooled cooling and draws fuel through 4x Mikuni carburetors. A 5-speed gearbox sends power via chain final drive to the rear wheel.

The chassis employs a steel double cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from single disc front and drum rear brakes. Tipping the scales at 230 kg (507 lbs) dry, the 1974 Kawasaki Z1-A offers a manageable riding experience with a 1490 mm wheelbase.

Performance-wise, the 1974 Kawasaki Z1-A achieves a claimed top speed of 210 km/h (130 mph). With a generous fuel capacity of 18.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 820 mm makes it comfortable for most riders.

Today, the 1974 Kawasaki Z1-A 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 1974 Kawasaki Z1-A is considered one of the most collectible motorcycles from Kawasaki
  • The 1974 Kawasaki Z1-A was produced in Kawasaki's Japan facilities
  • The 1974 Kawasaki Z1-A featured a steel double cradle frame typical of 1970s design philosophy

Collector Information

Parts Availability
Good
Collector Rating
8/10

Resources & Parts