Parts Manuals: YAMAHA Two Stroke Outboards: 3HP & 3.5HP Unsure what year your engine was manufactured? Use our model guide to help! 1979 _3.5HP_ pdf 1.2 MB1988 pdf 905.9 KB1989 pdf 980.5 KB1990 pdf 779.9 KB1991 pdf 1.6 MB1992 pdf 918.6 KB1993 pdf 2 MB1994 pdf 2 MB1997 pdf 1.1 MB1998 pdf 1.1 MB1999 pdf 1.4 MB2002 pdf 372.5 KB2003 pdf 385.6 KB2005 pdf 362.7 KB2006 pdf 360.6 KB2007 pdf 360.7 KB