YZ85The YZ85 is a legend in the youth motocross scene. Its the bike that inspired many of todays top professional racers and helped them on their path to MX glory. With its increased performance, the new YZ85 is the dirt bike that can turn young riders dreams into reality. New 85cc YPVS Two Stroke Power The 85cc liquid cooled, two stroke engine now features the Yamaha Power Valve System for broad, tractable power across the rev range without losing peak