Yamaha - Shift Rod Lever Gear Shift Component 6DA-44121-00-00. Overview. The Yamaha Shift Rod Lever 6DA-44121-00-00 is a key linkage component that helps transfer your shift input down to the lower unit. When this lever starts to wear, bend, or loosen, you'll feel it right away-hard shifting, delayed engagement, or gears not fully locking in. It plays a direct role in clean gear changes, so everything depends on it being properly aligned and in good condition. If your shifting isn't as smooth as it should be, this is one of the parts worth checking.. Key Features. • Direct Shift Linkage Control - Transfers movement from the shift system to the lower unit.. • OEM Fit Precision - Built to Yamaha specifications for accurate alignment and smooth operation.. • Improves Gear Engagement - Helps restore clean, reliable shifting performance.. • Durable Construction - Designed to handle repeated movement and marine conditions.. Engine & Boat Compatibility. Verify compatibility with your specific