Mishimoto MMDBH-YZ250F-06KTBL 5 Yamaha YZ250F / 07-09 Yamaha WR250F Silicone Radiator Hoses, Blue Made out of high-grade silicone, combined with heat resistant embedded fibers Direct OEM fit making the perfect replacement or upgrade to the stock dirt bike hoses Allow for increased pressure tolerance and provide efficient heat reduction Choose from a range of colors Mishimoto Lifetime Warranty Exterior material made of silicone Interior material made of heat-resistant embedded fibers Maximum temperature of 330 degrees Fahrenheit Blue color