Each Clymer manual provides specific and detailed instructions for performing everything from basic maintenance and troubleshooting to a complete overhaul of the vehicle. Do-it-yourselfers will find this service and repair manual more comprehensive than the factory manual, making it an indispensable part of their tool box. This manual includes all you need to know to maintain and repair your Yamaha 4-Stroke OB 6-100 HP, 1985-2013.