Image Challen Tennant made his debut with YamaLube Star Racing Yamaha in the All-Stars Amateur race. Credit ML512 Related: Supercross Vital MX Pit Bits Las Vegas Monster Energy Cup Yamalube Star Racing Yamaha Challen Tennant Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 45 of 66Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter ML512 10/15/2016 7:18pm Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter