1Pc Motorcycle Electrical Starter Solenoid Relay Switches For YFZ450R YFM550 YXR660 YXR 660 ATV Quad YFM700 This electrical starter solenoid relay switch is designed for use with specified motorcycle and ATV models including YFZ450R, YFM550, YXR660, YXR 660, and YFM700.It functions as a critical component in the starting system by engaging the starter motor when the ignition is activated.The unit provides electrical connectivity between the and starter motor, consistent performance under normal operating conditions.Constructed for durability, it supports efficient power transmission and is suitable for replacement in compatible vehicles.Installation requires proper electrical connections and adherence to standard mechanical procedures. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.