Cycle News - Archive Issues - 1970's

Cycle News 1973 10 09

Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles

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Page 15 October 9, 1973 A brief history of racing fuels By Geoffrey Wood In the world of speed there are many mysteries, but for pure intrigue nothing surpasses the ~!~!:~ ~! s~c~~tic350CC~~~<~~racer,~~~~:, Some folks figured that Kenny Roberts just overcooked it when he got off while leading his heat at the Golden Gate mile. But, as Ken said and as these pictures show, the rear wheel did part company with the motorcycle. Look closely at the second shot and you'll see the wheel canted sideways. It obviously happened quickly (as things do at 100 MPH) because Ken is still holding on. By picture No.4 he has let go as the bike climbs a haybale and heads for the fence. In the last shot Ken sits up to check oncoming traffic. When help arrived his first question was, "What the hell happened?" I Photo sequence by Bill Spencer have used first began extracting speed from the internal combustion engine, with many international motorcycling events allowing all sorts of fuel to be used. Today special fuels are used in spet;dway racing, speed record setting,

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