Virgin Yamaha test 'Big-Bang' engine at Brands.

At the second official test of the British Superbike series at Brands Hatch, Virgin Yamaha have unveiled their 'Big-Bang' four-cylinder R1, which they plan to race this season.

Although they have not yet taken to the track, Crash.net spied the Superbike being warmed up in the pits with its distinctive, twin-cylinder type growl of an engine note.

More details to follow shortly...