MERCURY, MARINER, SEA RAY 25 - 70 HORSEPOWER
3 1/4" GEARCASE
13 TOOTH SPLINE
25HP (4 STROKE / BIGFOOT) ..... 1999 - 2005
30HP ( 2 STROKE) ..... 1994 - 2002
30HP (4 STROKE) ..... 1999 - 2005
30HP (SEA PRO / MARATHON) ..... 1994 - NEWER
35HP ..... 1984 - 1989
40HP (2 STROKE, INCLUDES MODEL 402) ..... 1977 - NEWER
40HP (4 STROKE / NOT BIGFOOT) ..... 1997 - NEWER
40HP (SEA PRO / MARATHON) ..... 1977 - NEWER
45HP ..... 1986 - 1989
48HP (MARINER) ..... ALL YEARS
50HP (2 STROKE / INCLUDES MODEL 500) ..... 1977 - NEWER
50HP (4 STROKE / NOT BIGFOOT) ..... 1995 - NEWER
55HP (MERCURY / SEA PRO / MARATHON) ..... 1995 - NEWER
60HP (2 STROKE) ..... 1978 - NEWER
60HP (2 STROKE / NOT BIGFOOT) ..... 2001 - NEWER
70HP (INCLUDES MODEL 700) ..... THRU 1983