Model Compatibility: Fits EC250 models from 2022–2023, EC300 and EX300 models from 2021–2023, and EC250, EX300, and EC300 variants as listed in the title. Part Number Match: Replaces part number 79611034000 as specified in the title for voltage regulation and rectification functions. Functional Purpose: Serves as a replacement voltage regulator rectifier to restore electrical system functionality in compatible motorcycle models. Application Scope: Designed for use with the EC250, EC300, EX300, and related model designations explicitly stated in the title. Installation Requirement: Functions as a direct-fit replacement requiring no modification to match the form, fit, and function of the unit.