Period Modified: Triumph Drag Bike

Launching a triumph drag racing motorcycle down the quarter mile takes a tremendous amount of concentration.

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by Grant Robinson
  • Engine: Stock TR6, 649cc air-cooled OHV parallel twin, 71mm x 82mm bore/stroke, 8.5:1 compression ratio, 42hp @ 6,500rpm stock (upgraded to 12:1 compression ratio, power unknown)
  • Carburetion: Dual 30mm Dell’Orto SS1 30 A
  • Transmission: 4-speed, chain drive primary and final
Motorcycle Classics Magazine
Motorcycle Classics Magazine
Motorcycle Classics Magazine Featuring the most brilliant, unusual and popular motorcycles ever made!