Motorcycle Solenoid Starter Relay for TRX350 TRX400 TRX420 TRX450 Foreman Rancher Sportrax TRX500 TRX90 TRX200 This solenoid starter relay is designed to fit select motorcycle and ATV models including TRX350, TRX400, TRX420, TRX450, Foreman, Rancher, Sportrax, TRX500, TRX90, and TRX200.It functions as a key electrical component in the starting system, enabling engagement of the starter motor.The unit provides consistent performance under normal operating conditions and is engineered for direct replacement in compatible vehicles.Installation is straightforward, following standard procedures for solenoid replacement.proper connections and compatibility with your specific model before installation.This is a non- replacement.Any reference to brand names or models is strictly for compatibility purposes.