WATCH AND laugh as former 500cc Grand Prix frontrunner and Visordown's road test guru Niall Mackenzie flips a 2009 R1 while performing a stoppie for an upcoming promotional video.
The talented Scot nose-dived at Knockhill, right in front of the cameras, while attempting to show-off his stunting skills.
Never mind Macca: you can't be good at everything!
