Yamaha - Gear Engine Drive Component 6P2-45571-00-00. Overview. Gears like this are what keep everything inside the motor working together smoothly. I've seen engines develop a rough feel or extra noise just from wear in a single gear that's not meshing right anymore. When this one's in good condition, power transfers clean and you don't think twice about what's happening inside. It's a simple part on paper, but it carries a lot of load every time you run the motor.. Key Features. • Precision Gear Engagement - Ensures smooth and consistent transfer of motion within the engine.• OEM Fit and Alignment - Built to factory tolerances for proper meshing with mating gears.• High-Strength Construction - Designed to handle continuous load and resist wear over time.• Supports Smooth Operation - Helps maintain consistent engine performance and mechanical timing.. Engine & Boat Compatibility. Designed for Yamaha outboard engines utilizing internal gear-driven systems. Commonly used across a range