The Kawasaki F81M "Green Streak" was a 250cc off-road motorcycle manufactured by Kawasaki in 1971 as part of the successful F-series which began with the Kawasaki F4 250cc. The F81M replaced the 230cc Kawasaki F21M and shared the racing stage with the Kawasaki G31M "Centurian" 100cc Flat Track motorcycle.
Specifications
- 247cc
- 2-stroke, 1 cylinder
- Rotary Disc Valve
- 5-Speed Return Shift
- Maximum horsepower: 25+ hp at 6,800 RPM