Super Four: 1973 Kawasaki Z-1

Americans would’ve settled for a burger; Kawasaki gave them steak. The Z-1 roared off the block in 1973 breaking records, “Terribly fast. Two words every motorcyclist loves to hear.”

By Dain Gingerelli.
Published on April 3, 2019
article image
by Dain Gingerelli

Engine: 903cc air-cooled DOHC inline 4-cylinder, 66mm x 66mm bore and stroke, 8.5:1 compression ratio, 82hp @ 8,500rpm
Top speed: 120mph-plus (period tests)
Carburetion: Four 28mm Mikuni VM
Transmission: 5-speed, chain final drive
Electrics: 12v, coil and breaker points ignition
Frame/wheelbase: Dual downtube steel cradle frame/58.7in (1,491mm)

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