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Kawasaki F4

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1969 Kawasaki F4

The Kawasaki F4 Sidewinder was made by Kawasaki from 1969 through 1970 and used a 238cc engine which was similar to the motocross Kawasaki F21M. However, the F4 was also well equipped for trail riding which was a rapidly expanding market in America. Quick-Detachable lights and off-road trials were some of the highlights. The rotary valve engine produced 23 horsepower @ 7,500.

Also see: Kawasaki F-series

Major competitors


  • 250cc
  • 2-Stroke, 1 Cylinder
  • Rotary Disc Valve
  • 4-Speed Return Shift
  • Maximum Horsepower:
  • 23 HP @ 7,500 rpm
  • Spark Plug: NGK B9HS
  • Tire Size
  • Front: 3.25-19 4PR
  • Rear: 4.00-18 4PR
  • Color
    • Fuel Tank: Midnight Blue, Pastel Orange
    • Front Fender: Chrome or Stainless steel
  • Engine No.: F4E00001-
  • Frame No. : F4-00001-
  • Parts Catalogue No. : 99995-111
  • Owner's Manual No.: 99995-310
  • Shop Manual No. : 99995-211 (SM-1)
  • Remarks: Has quickly detachable lights, De Carbon rear suspension, and trial universal tires.