Yamaha - Shift Rod Lever Gear Shift Component 6CB-44121-00-00. Overview. The Yamaha Shift Rod Lever 6CB-44121-00-00 is a crucial linkage component that connects your shift controls to the lower unit, enabling smooth transitions between forward, neutral, and reverse. This part ensures that your gear changes are precise and reliable. If the lever becomes worn, bent, or misaligned, you may experience hard shifting, slipping, or delayed engagement. Replacing it restores proper gear control and overall performance.. Key Features. • Direct Shift Linkage Control - Transfers movement from the control system to the lower unit.. • OEM Fit Precision - Built to Yamaha specifications for accurate alignment and smooth operation.. • Improved Gear Engagement - Helps ensure consistent and reliable shifting performance.. • Durable Construction - Designed to withstand repeated use and harsh marine environments.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha engine model and