Steve Wilgoose’s KZ1000R-S1 Replica

Steve Wilgoose’s 1982 Kawasaki KZ1000R-S1 replica is an evolutionary tale if ever there was one.

By Greg Williams
Published on April 1, 2021
article image
by Robert Smith
  • Engine: 1,136cc (Wiseco big bore kit) air-cooled DOHC inline four, 74mm x 66mm bore and stroke, 10.5:1 compression ratio, 127hp @ 9,000rpm
  • Carburetion: Four Keihin 33CR
  • Transmission: Gear primary drive, 5-speed constant mesh, 520 chain final drive
  • Electrics: 12v, Dyna 2000 electronic ignition
  • Frame/Wheelbase: Tubular steel cradle, 59.8in wheelbase (1,519mm)
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