Yamaha - Drive Gear Engine Timing Component 6J8-11536-00-00. Overview. Drive gears are the kind of part you don't think about until something inside the motor doesn't feel right. When they start to wear or chip, you'll hear it or feel it before long. I've torn down engines where a worn drive gear was the root of bigger issues, and catching it early makes all the difference. Keep this piece solid, and everything it turns stays in sync.. Key Features. Primary Power Transfer - Drives connected internal components for proper engine operation.. Precision-Cut Gear Teeth - Ensures smooth engagement and consistent rotation.. Hardened Construction - Built to handle continuous load and internal engine stress.. Factory-Spec Fitment - Matches Yamaha tolerances for proper alignment and function.. Supports Engine Synchronization - Helps maintain correct timing between moving parts.. Engine & Boat Compatibility. Designed for Yamaha outboard engines with compatible internal gear systems. Commonly used