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British Motorcycles

Martinsyde 1921 500cc V-Twin Chain Casa

Martinsyde-1921-500cc-V-Twin-02.jpg
Chain cover of the 3 ½ h.p. Sports Martinsyde, showing the inspection cap by means of which the clutch spring adjuster is reached.
Article: Martinsyde 500cc V-Twin 1921
Credit: The MotorCycle