Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/643722
RCH Suzuki Factory Racing's Ken Roczen dominates on his Yoshimura equipped Suzuki RM-Z450 at the 7th round of AMA 450 Supercross. RS-4 EXHAUST SYSTEM
