Aluminum Water Cooling Radiators for Yamaha YZ250F YZF250 2010-2013Fit for YAMAHA YZ 250F 2010 2013. Heavy duty 100% aluminum provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency. TIG welded to maximize strength. High efficiency brazed aluminum cores, significant increase in fluid capacity. Designed as a direct OEM replacement, no modifaction needed. Rigorous and accelerated cycling tests to ensure product service quality and durability.