Kawasaki Z1 Specs, Manuals, & Info

ATTENTION: Taking care of a task for your motorcycle? You should be prepared to satisfy any insurance requirements.

Please enter your zip code below to get started.

If you’ve got a Z1 that you’re working on, you’ve come to the right place.

Whether you’re doing a full rebuild or restoration motorcycle project or you just need to complete some routine maintenance, we’ve got all the information and links to what you need to do the job right.

On this page you’ll find:

  • Links to the motorcycle service manual for your Z1.
  • Where you can find used Z1s for sale to start a new motorcycle project or get a parts bike.
  • Specs, details, and information about the history of the Z1.

MotorcycleZombies.com may earn an affiliate commission when you make a purchase through the links on this page.


Z1 Specs & Details

The 1972-1975 Z1 was Kawasaki’s answer to Honda’s earlier released CB750K.

The Z1 is often considered the first true superbike, and was the most powerful Japanese 4-stroke four to date.

The model help to further popularize and solidify the success of the Universal Japanese Motorcycle (UJM) style.

Specs for the Kawasaki Z1 include:

  • Top Speed: 132 mph
  • Engine Displacement: 903cc
  • Cylinders/Engine Type: Air cooled DOHC inline four
  • Compression Ratio: 8.5:1
  • Transmission: 5 speed
  • Wet Weight: 546 lbs

Z1 Years & Variations

Years and model variations for the Z1 include:

  • 1973 Z1
  • 1973 Z1A
  • 1974 Z1B
  • 1976 Z1 (KZ900)

Find a Z1 for Sale Near You

If you’re looking for a Z1 of your own or need a donor parts bike for your current motorcycle project, you can use the MotorcycleZombies.com used bike search tool to find what you’re looking for.

Click your state below to find used Z1s near you.

These motorcycle search engines search Craigslist listing for the entire state so you don’t have to individually search each specific region.

Once you’ve got the bike up and running, be sure to check back to our motorcycle registration and title guides if you need help getting plates (Especially if you’ve bought the Z1 without a title).