The first variable timing systems offered on internal combustion engines, powervalves were designed to allow your two-stroke to be both tractable and exciting. Here are the essentials on what they consist of, the different systems and how they function

Because motorcycle engineering is beautiful

Today they’re called adventure bikes, but 40 years ago we knew them as ‘giant trailies’. Can Honda’s original Africa-ready big twin turn Rick’s gaze to distant horizons?

GET PROTECTED AT MCNCOMPARE.COM Kawasaki Vulcan S £7275 ...

Massively underrated, massively fast and, er, massive. But the GTR is also a massive second-hand bargain

2005-2014 BMW S1000RR