1、APPLICABLE MODELS: Radiator coolant hose kit is designed YZF250 (YZ250‑F) 2007‑2009. Please confirm whether your model is applicable before buying. 2、HIGH TEMPERATURE RESISTANCE: Silicone radiator hose is made of silicone material, three layers thickened with excellent high temperature resistance to ensure normal operation of motorcycle engine. 3、SEALING PERFORMANCE: Silicone radiator hoses have excellent sealing performance and can effectively prevent coolant leakage and gas leakage. It ensures that no leakage or seepage will occur during use. 4、SUPER DURABLE PERFORMANCE: The engine radiator hose is resistant to acids, alkalis and other chemicals. This enables it to maintain a good service life even in harsh environments. 5、HIGH STRENGTH: The radiator hose has excellent tensile and compressive strength, able to withstand high pressure and severe extrusion, which ensures the hose can stably and reliably transmit coolant when the motorcycle is running.