Arnaud Tonus will go under the knife to mend a broken scaphoid. The Swiss ace crashed while testing on his new Hostettler Yamaha 450.

The team announced: “Bummer to say that @arnaudtonus had a scaphoid fracture after a small crash in yesterdays practice. Surgery will be tomorrow and he will be back on the bike in a few weeks. Luckily there is a lot of time till the first @mxgp of year. We will be ready. Get well soon!”