This manual on PDF cover the four stroke models from 1998 - 2002. 9.9/15 HP including big foot 323 cc.Covers overhauls & maintenance. All systems, fuel, electrical, cooling, controls, powerhaed power trim and tilt, upper and lower units, specs, full COLOR wiring diagrams.and more..Fully illustrated with photos and exploded views.You can get no better manual than This PDF.This manual is fully indexed and book marked for easy navigation. you can print any or all of the pages.