Yamaha Instruction Label - 6AH-14427-40-00. OEM-Certified Instruction Label for Safe and Accurate Operation. The Yamaha - Label, instruction - 6AH-14427-40-00 is a genuine Yamaha replacement label designed to convey essential operating instructions directly on your Yamaha engine or related components. This official decal is printed with clear, easy-to-read instructions and features marine-grade durability to withstand sun, saltwater, and high temperatures.. Whether you're restoring an older engi