Yamaha Trim Tab 6T5-45371-00-00. Overview. The Yamaha Trim Tab 6T5-45371-00-00 is a genuine original equipment manufacturer component designed to optimize the performance and stability of your Yamaha outboard motor. This high-quality trim tab helps improve steering control and balance, ensuring smooth and efficient operation across a variety of water conditions.. Engineered to Yamaha's exact specifications, this trim tab provides a precise fit and seamless integration with your motor system. It