Trawling the internet for a sound clip of the Crossplane Crank Yamaha R1 on full chatter, I came across this: a few fast laps on board with New Zealand Superbike racer Tony Rees as he works the CABS Throttle Blipper on his 2011 R1. (Skip to 7
£4895
£4995
£4295
£5999
£6495