First look Arnaud Tonus & Shaun Simpson on-board the all-new 2018 YZ450F
Wilvo Yamaha Official MXGP's Arnaud Tonus will be the first rider to race the bar-raising 2018 YZ450F on the world stage with the bike making its MXGP debut this weekend (July 22nd & 23rd) at the MXGP of Czech Republic in Loket.