For 2018, the Suzuki RM-Z450 saw a host of changes all over the machine, but unfortunately many of the updates and changes were seemingly aimed in the wrong direction. The motor and suspension on the 2018 RM-Z450 needed the most attention, so Pro Circuit stepped in and put together a customer-specific package that’ll addresses just about every issue on the RM-Z. We were lucky enough to spin a few laps aboard the trick Suzuki, so check out what TWMX test pilot Rich Taylor had to say about Pro Circuit’s twist on the 2018 Suzuki RM-Z450.