Billy MacKenzie (motorcyclist)
Billy MacKenzie is a Scottish former professional motocross racer. He competed in the Motocross World Championships from 1999 to 2013. MacKenzie is a two-time British motocross national champion.
MacKenzie rode for the Honda factory racing team competing in the F.I.M. MX1-GP World Championships. He has also represented the United Kingdom in the Motocross des Nations. In 2010, MacKenzie rode for Kawasaki in Australia.
