1972 Kawasaki H2: Wheelie King

By Margie Siegal
Updated on April 11, 2024
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by Nick Cedar
This H2 is ridden on regularly on morning rides to breakfast or lunch with friends.

1972 Kawasaki H2

  • Engine: 748cc air-cooled 2-stroke triple-cylinder, piston port, four scavenge ports, 71mm x 63mm bore x stroke, 7.0:1 compression ratio, 74hp @ 6,800rpm
  • Top speed: 119mph @ 7,480rpm, quarter mile 12.72sec @ 103.8mph (period test)
  • Carburetion: Three 30mm Mikuni constant velocity carburetors
  • Lubrication: Oil injection
  • Transmission: Wet multi-plate clutch, left foot shift, neutral at bottom, 5-speed gearbox, chain final drive
  • Electrics: 12v CDI/magneto system, 12v generator
  • Air filtration: Oil-wetted felt
  • Frame/wheelbase: Dual downtube cradle, swingarm rear/55.4in (1,407mm)
  • Suspension: Telescopic forks front, dual shocks rear
  • Brakes: 11.65in (296mm) disc single-action hydraulic front, 7.75 x 1.37in drum rear
  • Tires: 3.25 x 19in front, 4.00 x 18in rear
  • Seat height: 32.5in (825.5mm)
  • Weight: 448lb (dry), 465lb (with half tank of gas)
  • Fuel capacity: 4.5gal (17ltr)
  • Oil capacity: 4.2pt
  • MPG: 30mpg (period test)

“The excitement of the test over, all of the bikes went back to the Cycle shop so they could be stripped to their crankcases to be checked for legality. The fastest was first. No standard showroom motorcycle could be as quick as the Kawasaki was in our test. But it was exactly stock.” — Cycle magazine, December 1972.

“In the civilized world, there was no earthly purpose for this motorcycle. Its only reason for existence was to blow off every single muscle car that Detroit could produce.” Clement Salvatori — Rider magazine, December 2003.

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