Features: 1. Fitment: This voltage regulator rectifier is designed to match the fit and function of the original part, replacement for ATC200 ATC200X 1987; Replacement for XR250 XR250R 19902004; Replacement for TRX250 TRX250R 19861989; Replacement for TRX250X FourTrax 250 X 19871992. 2. OEM: The OEM number for this voltage regulator rectifier is 31410-KZ1-680 for reference; please check the part number of your item before purchasing. 3. Performance: The voltage rectifier helps improve ignition efficiency, supporting more complete fuel combustion and contributing to improved fuel economy. 4. Waterproof and Shockproof: The rectifier is constructed with precision materials and sealed packaging to withstand various environmental conditions, offering good waterproof performance. Surface mount technology provides strong resistance to vibration and electrical interference. 5. Long Lasting: All components are thoroughly inspected to meet strict original equipment standards, ensuring a durable service life. Specification: Item Type: Voltage Regulator Rectifier Working Voltage: 12V OEM: 31410-KZ1-680 Fitment: Replacement for ATC200 ATC200X 1987 Replacement for XR250 XR250R 19902004 Replacement for TRX250 TRX250R 19861989 Replacement for TRX250X FourTrax 250 X 19871992 Note: 1. Please double check the part number of your item; fitment information is for reference only. 2. If you are unsure about compatibility, please before purchasing to avoid unnecessary returns. Thank you!