So, off the back of the latest R 1300 GS the new GSA version has a lot to live up to. Odd looks split early first impressions but, in the metal, the ride, spec and performance are all a big upgrade ...

The Wartsila 32 brings higher unit power, enhanced fuel consumption, significantly reduced componentry and integral computer control to a fiercely competitive sector of the engine business.

A six-cylinder prototype of what is reportedly the world's largest medium-speed engine, the Wartsila 64, was started more than a year ago at the Wartsila NSD Vaasa research center in Finland.