From this link, find a complete listing of all available Yamaha owner's manuals for specific Yamaha motor models sold in the United States back to 1998. Once at the site, simply select the year and model of your motor in the drop down boxes that are labeled as so and click to view the manual for your specific Yamaha motor. You can also use the second link which will take you to the Yamaha Online Technical Manual Site to find a printed copy or to purchase owner's and service manuals for models built before 1998.