Seloc Engine Manual for 1997 - 2009 Yamaha 2 - Stroke Outboards Manuals are based on actual teardowns done by Seloc authors Manual provides complete coverage Features simple-to-follow, step-by-step illustrated procedures Contains accurate specifications; and extensive wiring diagrams For Yamaha '97 - '03 2-250 hp, all 2-stroke, including Jet Drives.