En­gines

Performance Bikes (UK) - - The Garage | 360º Garage -

‘The en­gine on the left is a long-stroke Manx; next to it is a short-stroke Manx, and the fi­nal en­gine with the gold cases is a Match­less G50. The long-stroke is 79.6 x 100mm while the short-stroke is 86 x 86mm. Af­ter the war, John Cooper built a race car that used a Manx en­gine, and most of the long-stroke mo­tors I build go to clas­sic car racers as it pro­duces more torque. The short-stroke is faster revving and that’s what bike racers gen­er­ally use. Nor­ton made the long-stroke un­til 1953, when the short-stroke re­placed it. The G50 mo­tor is from a race bike that I’m ser­vic­ing.’

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