1972 CCM — Clews Competition Machine

Learn about a BSA-powered scrambler restored to its former glory and kept street-legal.

By Dain Gingerelli
Updated on June 30, 2021
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by Dain Gingerelli
  • Engine: Stock-spec BSA B50MX 4-stroke air-cooled single cylinder, 84mm x 90mm bore and stroke, 8:1 compression ratio, 34hp @ 5,500rpm (est.)
  • Top speed: NA
  • Carburetor: Amal 32mm
  • Transmission: 5-speed, right side shift, down for low
  • Electrics: Boyer Bransden capacitive discharge
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