Yamaha Grommet - 62Y-42725-31-00. Secure, Seal, and Protect with a Genuine Yamaha Grommet. The Yamaha - Grommet - 62Y-42725-31-00 is a factory-original part engineered to create a tight seal around essential components in your Yamaha outboard. This small yet crucial grommet helps prevent dust, moisture, and vibration from compromising sensitive areas, extending the life of your engine and maintaining peak performance in marine environments.. Key Features. OEM-Precision Fit: Designed by Yamaha fo