offered to buy the Z1 from Kawasaki to collaborate with American Turbo Pac to produce a turbocharged Z1R. Kawasaki gave the go-ahead, though they were not directly involved in the project.

Further, Turbo Cycle Company added a boost gauge ... rare and significant collection of 1978 Kawasaki KZ1000 Z1R Turbocharged and Supercharged motorcycles. I have been an avid car and motorcycle ...

Kawasaki’s Z1R-TC led a resurgence of interest in forced induction engines. Other manufacturers soon followed suit, spawning a series of new turbocharged machines. But chronic turbo lag required ...