50-130 HORSEPOWER T50 HP..................1996 & Newer 80 HP.................1997 130 HP......................1984 & Newer 60 HP....................1992 & Newer 85 HP.................1991-97 FS 80(4-Stroke).......1999 & Newer 70 HP....................1984 & Newer 90HP..................1984 & Newer FS 100 (4-Stroke)....1999 & Newer 75 HP....................1994 & Newer 115 HP...............1984 & Newer FS 115 (4-Stroke)....2000 & Newer Boat Diameter Aluminum Part No. Length/Description Rot. & Pitch Blade # OEM Michigan 25' - AL 14 T 11 3 6R5-45954-00-EL 101036 22' - AL 13-5/8 R 13 3 6E5-45949-00-EL 101031 20-24' - AL, SK 13-1/2 R 15 3 6E5-45947-00-EL 101032 20-24' - AL, SK 13-3/4 R 15 3     17-19' - AL, SK 13-1/4 R 17 3 6E5-45945-01-EL 101033 16-18' - AL, SK 13 R 19 3 6E5-45941-00-EL 101034 15-18' - AL, SK 12-5/8 R 21 3 6E5-45943-00-EL 101035    80-140 HORSEPOWER 80, 90, 115 HP..................1978-83 80 HP...............1977   140 HP...............................1978-79     Boat Diameter Aluminum Part No. Length/Description Rot. & Pitch Blade # OEM Michigan 25' and Up - AL 14 R 11 3   031054 22' and Up - AL 14 R 13 3   031055 20-24' - AL, SK 13-3/4 R 15 3   031041 17-19' - AL, SK 13-1/4 R 17 3   031042 16-18' - AL, SK 13 R 19 3   031043 15-18' - AL, SK 12-3/4 R 21 3   031044 14-16' - AL, SK 12-1/2 R 23 3   031045