The Yamaha MT10 RN45 Front Brake Light Switch Starter 90891-30146 is a genuine new part manufactured in Japan specifically for Yamaha motorcycles. This black switch is designed for the Yamaha MT10 RN45 model and is a direct replacement for the original part, ensuring compatibility and functionality. With its manufacturer part number 90891-30146 and interchange part numbers 9089130146 and 90891-30146, this switch is a reliable and high-quality component for your motorcycle.