1994 Honda CR500 v 2018 Factory KTM 450 Dakar racer

Which is fastest? Factory KTM enduro star Jonny Walker uses his six-speed 2018 KTM works Dakar racer four-stroke to face MotoHead’s Dave Willet on a 1994 Honda CR500 two-stroke on the start straight of the Weston-Super-Mare beach race. Who will be the mph winner?