Yamaha - Starting Motor Gear Assembly Starter Drive Component 6FP-81807-00-00. Overview. The Yamaha Starting Motor Gear Assembly 6FP-81807-00-00 is one of those parts that makes sure your engine actually turns over when you hit the key. When this gear starts to wear down, you'll notice it right away-grinding, slipping, or the starter not catching like it should. It's what transfers motion from the starter to the engine, so everything depends on it engaging clean. If your motor isn't cranking strong and consistent, this is often part of the problem.. Key Features. • Reliable Starter Engagement - Transfers power from the starter motor to the engine for consistent cranking.. • OEM Fit Precision - Designed to match Yamaha specifications for proper gear alignment and function.. • Smooth Gear Interaction - Helps reduce grinding and ensures clean engagement during startup.. • Durable Load Handling - Built to withstand repeated starting cycles and engine stress.. Compatibility. Compatible with