The Monster Energy® Yamaha Star Racing crew heads to San Diego in the throwback YZ livery as Justin Cooper looks to regroup after early round struggles and Cooper Webb looks to jump back in the 450SX title hunt with an impressive runner-up finish. In a battle to the final lap, Nate Thrasher emerges victorious with his first 250SX win of the season while teammate Jordon Smith gets a third-straight podium to expand his championship points lead.