Yamaha Factory Motocrosser Cooper Webb To Make His 450MX Debut This Saturday

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  Cypress, CA – May 18, 2017 – The 2017 AMA Pro Motocross Championship begins this weekend with Round 1 at the Hangtown MX Classic in Sacramento, CA, and Monster Energy/Yamalube/Chaparral/Yamaha Financial Services/Yamaha Factory Racing Team rider Cooper Webb will make his 450MX debut aboard his #2 Yamaha YZ450F. Cooper, who was last year’s 250MX […]