Prototype Triumph Hurricanes

A Tale of Two Triples

By Robert Smith
Updated on February 8, 2024
article image
by Nick Smith

Triumph Hurricane X75 Pre-Production Prototypes

  • Years produced: 1970-71
  • Number produced: 2
  • Claimed power: 58hp @ 7,250rpm
  • Top speed: 115mph
  • Engine type: 741cc air-cooled, OHV inline triple
  • Transmission: Triplex chain primary, single-plate diaphragm-spring clutch, 4-speed
  • Weight (dry): 458lb (production)
  • MPG: 40-45 (production)

On April 14, 1972, the last BSA motorcycles to be built at the once mighty Small Heath factory in Birmingham, England, were completed: 11 Rocket 3s and seven B50SS Gold Stars. From then on, “BSAs” would be badged as Triumphs and built by new owners Norton-Villiers-Triumph.

That should have meant the end of the production line for BSA’s Rocket 3. Though surprisingly, it reappeared in 1973, disguised in an outlandish new livery and with a Triumph badge. It was also given an appropriately attention-grabbing name: Hurricane.

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