Yamaha - Gear Engine Drive Component 6P3-45560-00-00. Overview. Gears like this are what keep everything moving in sync inside the motor. I've seen engines develop noise or hesitation that traced back to worn or damaged gear teeth. When it's right, you don't hear it or think about it-the engine just runs smooth and transfers power the way it should. It's a simple part, but it carries a lot of responsibility.. Key Features. • Precision Gear Cut - Ensures smooth engagement and consistent power transfer.• OEM Fit and Alignment - Built to factory specs for proper meshing with mating components.• Durable Metal Construction - Designed to handle continuous load and resist wear over time.• Supports Mechanical Timing - Helps maintain proper engine operation and internal synchronization.. Engine & Boat Compatibility. Designed for Yamaha outboard engines utilizing internal gear-driven systems. Commonly used across a range of Yamaha outboards where reliable motion transfer and timing are essential