Mishimoto has developed an ultra-durable patented X-Braced Dirt Bike Radiator for the Yamaha YZ85.The built-in corner bracing ensures the highest level of durability to riders on the track or off road.Upgrade your stock Yamaha YZ85 radiator with a Mishimoto Aluminum X-Braced Dirt Bike Radiator to receive 30-percent greater cooling efficiency.All Mishimoto Powersports Radiators are made with aircraft quality brazed aluminum and are precision TIG welded for extreme durability.The Yamaha YZ85 X-Braced Dirt Bike Radiator is designed as a direct OEM fit to ensure smooth installation.