Yamaha - Driven Gear Engine Drive Component 6R3-11537-00-00. Overview. Gears like this are doing constant work behind the scenes, and when one starts wearing out, you'll feel it pretty quickly. I've seen engines develop odd noises or lose smooth operation just from gear wear that went unnoticed. When everything meshes right, the motor runs clean and consistent without extra vibration or strain. It's one of those parts you trust to keep everything moving the way it should.. Key Features. • Precision Gear Engagement - Ensures smooth transfer of motion between internal engine components.• OEM Machined Fit - Built to exact specifications for proper alignment and operation.• Hardened Gear Construction - Designed to handle continuous load and reduce wear over time.• Supports Engine Timing and Function - Helps maintain proper synchronization within the engine system.. Engine & Boat Compatibility. Designed for Yamaha outboard engines utilizing internal gear-driven systems. Commonly used across