Yamaha has refined its distinct rearward-slanted cylinder design for the 2018 YZ450F engine – complete with a rear exhaust and forward-mounted downdraft intake system.
Watch the full main event replays from the Detriot round of the Monster Energy AMA Supercross Championship.
Watch all three races in full from Day 1 of the 2023 Bercy Supercross here where Jo Shimoda debuts on the Honda.
KTM Motocross Racing Team’s Kirk Gibbs shined in Shepparton, taking the Thor MX1 round win at Round 8 of the 2016 Motul MX Nationals.
