Factory Effex Honda Moto Hoses Fits CRF250R 14-15 White. Factory Effex Engine Hoses are made with style and improved functionality. Designed with an exclusive blend of reinforced, woven Thermoplastic and Pure Silicone materials to form the highest quality engine hoses. This improves water flow and can withstand temperatures of up to 420 degrees. We integrated a unique inner liner made from an HDPE coating, that improves and increases the flow of liquids, which offers improved cooling for your race bike. We have also created "Y" type kits that eliminate the plastic fitting found on most late model motocross engines that can melt under extreme heat, which can cause engine failure. Available in a multitude of colors to give your bike that factory look along with factory function.