December 28, 2018 – The opening round of the 2019 Monster Energy AMA Supercross Championship is set for Saturday, January 5, 2019 at Angel Stadium in Anaheim, California. Contesting the premier 450cc class will be the Monster Energy/Yamaha Factory Racing Team run by Yamaha Motor Corporation, U.S.A (YMUS).
The team’s lineup will feature #51 Justin Barcia and #7 Aaron Plessinger, both riding
August 21, 2018—On August 18, 2018, At Round 11 of the AMA Motocross Championship, held at Budds Creek, Maryland, U.S.A., the Monster Energy/Yamalube/Star/Yamaha Racing Team’s Aaron Plessinger, who competed in this season’s 250MX class on the YZ250F, clinched his first-ever AMA Motocross championship one round before the final round of the season. This win brings him up to two titles for 2018, a
May 15, 2018 – On May 5, 2018 at the finale of the 10-round AMA Supercross 250SX West Championship season held in Las Vegas, Nevada, Monster Energy/Yamalube/Star/Yamaha Racing’s Aaron Plessinger won his first-ever championship, clinching the title aboard the YZ250F.
Plessinger made his AMA debut in the 250SX West class in 2015, taking an impressive 5th overall in his rookie season. In 2016