Features

From fabled racing machines to fabulous road burners, this four cylinder engine has powered them all. Tim Holmes runs through the development

Brian Tarbox’s top 20 Japanese two strokes between 1960 and 1990. If you disagree, make your voice heard on the forums! In part one we look at positions 20 to 11…

Harley-Davidson’s X90 mini-bike was originally sold to tempt young owners into Harley ownership, under the banner of ‘the great American freedom machine’, but the bikes were actually made in Italy. We take a look at this restored example

The Calthorpe Ivory is best known in its sloping engine guise, but John Pape’s model is the early upright version. Either way the company gained immediate acclaim from the motorcycle press and bike-buying public because of the machine’s clean and attractive design…

The Royal Enfield Bullet is a machine which has been in production for many years, though few look better than this superb example

Pure riding skill and bulldog spirit kept Eric Oliver ahead of the opposition. A 500cc Norton outfit should not have been a match for the power of the Gilera 4, but Oliver won four world titles…

With its 100ft wide concrete straights and 30ft high bankings, the Brooklands circuit at Weybridge, Surrey, was a daunting high speed challenge and only the strong survived…

A neglected Kawasaki Z400 engine with all its road muck still on and left exposed to the elements without spark plugs fitted. Rod Gibson goes in…

Rod Gibson orders parts from Z-Power and is told that his Kawasaki twin is an older 400, not what he thought…

More usually model 221s are 175cc capacity but the owner of this one has gone large…