Chase Sexton was untouchable in Washington State, winning both Motos in a dominant performance that cements his stranglehold on the top of the rider standings with just three rounds to go.
He was joined on the podium by Aaron Plessinger (2-3) in second place and Jason Anderson (4-2) in third.
Hunter Lawrence (5-4) finished fourth, Justin Cooper (3-7) fifth, Dylan Ferrandis sixth, Fredrik Noren eighth and Marshal Weltin tenth; all Alpinestars riders.
He was joined on the podium by Aaron Plessinger (2-3) in second place and Jason Anderson (4-2) in third.
Hunter Lawrence (5-4) finished fourth, Justin Cooper (3-7) fifth, Dylan Ferrandis sixth, Fredrik Noren eighth and Marshal Weltin tenth; all Alpinestars riders.
