Having a garage clear out and found these classic Raask Rearsets stamped Kawasaki KZ1000 so would imagine that they could fit the Z1 as well, best do your research before buying though?. Anyway, study the photos carefully as they describe the item better than words.
Kawasaki Z900/Z1000 Raask Classic Rearsets would be perfect for Harley-Davidson enthusiasts looking to restore their bikes with high-quality replacement rear sets.