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1949 Jack & Heintz Twin Motor Bike

1949 Jack & Heintz Twin Motor Bike

  

1949 Jack & Heintz Twin Motor Bike


1949 Jack & Heintz Twin Motorbike kit is installed on a Schwinn MP97 bicycle.  Schwinn designed the MP97 specifically for the Jack & Heintz and Marman Twin motorbike kit.


  • Twin cylinders - smoother power
  • Rated 3 1/4 HP 
  • 30% more powerful than any other American-made bicycle motor
  • Extra-large tank - includes utility compartment - provides knee support
  • Average 100 miles per gallon
  • Auto-type clutch
  • Twist-grip controls
  • Compression release - easy starting, faster stopping
  • Eisemann magneto
  • Permanent air cleaner
  • Center-flow carburator
  • Die cast motor mount
  • No oil level to watch
  • Only 5 moving motor parts
  • Cool, safe idling
  • Protected from road dirt
  • Manufactured by Jack & Heintz Precision Industries, INC. Cleveland, Ohio