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Norton’s famous – and successful – Commando came in a number of guises, but is any more handsome than the S Type?

Rod Gibson gets to grips with the science of camshaft design, and enters a world full of ramps, overlap, lift and durations. But will it make the bike go faster?

Bimota’s SB2 was both the Italian factory’s and Massimo Tamburni’s first production road bike design. John Nutting tested in the Isle of Man in 1978…

Rod Gibson shows the assembly procedure for Yamaha’s big single, the XT500…

Cotton, as a manufacturer, didn’t stray from the ‘straight tube’ frame building philosophy in the 1920s and 30s. That was because it was a design that worked…

Installing a Triumph engine into a Norton Featherbred frame, creating a ‘Triton’ was a common mechanical act in years gone by. But few are built to the level of this one. Triton image gallery…

BSA and Triumph were the undisputed leaders in the 50s motorcycle market, though some individuals decided to take parts from each manufacturer to fabricate their own ideal machine…

A few big bore Yamaha XS650 versions found their way into sidecar outfits but, as far as solo racing was concerned, other more suitable machines were available. However, such rules do not necessarily apply in the world of the classic clubman…

Harley-Davidson’s motorcycles earned their stripes in combat during WWII, though this veteran modestly disguises its military background today…