Suzuki updates its 450 Motocross platform with the air fork and launch control, with the 2015 RM-Z450 joined by its 250 four-stroke MX sibling, the RM-Z250, as well as the returning RM85 two-stroke.

Click here for full story... (http://www.motorcycle-usa.com/637/18476/Motorcycle-Article/2015-Suzuki-RM-Z450-First-Look.aspx)