Origins of the Triumph Thruxton 900

The Triumph Thruxton Bonneville propelled Triumph to the winner's circle, and inspired the modern Thriumph café racer

For the Thruxton, Triumph hot-rodded the stock Bonneville engine with high-compression (11:1) pistons, lighter pushrods, swept-back headers and fluted carbs
For the Thruxton, Triumph hot-rodded the stock Bonneville engine with high-compression (11:1) pistons, lighter pushrods, swept-back headers and fluted carbs.
Photo by Robert Smith