Yamaha 75 HP, 80 HP, 90 HP, 100 HP, 115 HP Inline 4 and 200 HP, 225 HP, and 250 HP 3.3L V6 Outboards manual. Includes Color Wiring Diagrams. Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views, Clymer manuals are a must-have tool for the do-it-yourselfer.