Horsepower Stroke Year Serial Range 2.5 2-stroke 1990 - 1998 OA855097 - OG710612 2.5 2-stroke 1999 - 2005 OG710613 - OT894576 2.5 2-stroke 2006 OT894577 - up 3.3 2-stroke 1993 - 1998 OD901217 - OG710612 3.3 2-stroke 1999 - 2005 OG710613 - OT894576 3.3 2-stroke 2006 OT894577 - up 4 2-stroke 1990 - 1998 OA855097 - OG710612 4 2-stroke 1999 - 2005 OG710613 - OT894438 4 2-stroke 2006 OT894439 - up 4 4-stroke 2000 - 2005 OR000001 - OR067089 4 4-stroke 2006 OR067090 - up 5 2-stroke 1990 - 1998 OA855097 - OG710612 5 2-stroke 1999 - 2005 OG710613 - OT894438 5 2-stroke 2006 OT894439 - up 5 4-stroke 2000 - 2005 OR000001 - OR067089 5 4-stroke 2006 OR067090 - up 6 2-stroke 1986 - 1993 OA197112 - OD280999 6 2-stroke 1994 - 1998 OD281000 - OG760299 6 2-stroke 1999 - 2004 OG760300 - OT800999 6 4-stroke 2000 - 2005 OR000001 - OR067089 6 4-stroke 2006 OR067090 - up 8 2-stroke 1986 - 1993 OA197112 - OD280999 8 2-stroke 1994 - 1998 OD281000 - OG760299 8 2-stroke 1999 - 2004 OG760300 - OT979999 8 2-stroke 2005 OT980000 - OT999999 8 2-stroke 2005 1B000001 - up 8 (209cc) 4-stroke 2005 - 2006 OR042475 - up 8 (232cc)(Bodensee) 4-stroke 1995 - 1998 OH000058 - OH017099 9.9 2-stroke 1986 - 1993 OA197112 - OD280999 9.9 2-stroke 1994 - 1998 OD281000 - OG760299 9.9 2-stroke 1999 - 2004 OG760300 - OT979999 9.9 2-stroke 2005 - 2006 OT980000 - OT999999 9.9 2-stroke 2005 - 2006 1B000001 - up 9.9 (232 cc) 4-stroke 1995 - 1998 OH000058 - OH016909 9.9 (323cc) Lavender MM-12 4-stroke 1999 OG760300 - 1B226999 9.9 (209cc) 4-stroke 2005 - 2006 OR042475 - up 10Magnum 2-stroke 1990 - 1993 OD038000 - OD279999 10Magnum 2-stroke 1994 - 1998 OD281000 - OG760299 10Magnum 2-stroke 1999 - 2004 OG760300 - OT979999 10Marathon 2-stroke 1990 - 1993 OD038000 - OD279999 10Marathon 2-stroke 1994 - 1998 OD281000 - OG760299 10Marathon 2-stroke 1999 - 2004 OG760300 - OT979999 10Marathon 2-stroke 2005 - 2006 OT980000 - OT999999 10Marathon 2-stroke 2005 - 2006 1B000001 - Up 15 2-stroke 1988 - 1993 OA197112 - OD280999 15 2-stroke 1994 - 1998 OD281000 - OG760299 15 2-stroke 1999 - 2004 OG760300 - OT979999 15 2-stroke 2005 OT980000 - OT999999 15 2-stroke 2005 1B000001 - up 15 Marathon 2-stroke 1994 - 1996 OG044365 - OG437999 15 Marathon 2-stroke 1997 - 1998 OG438000 - OG760299 15 Marathon 2-stroke 1999 - 2004 OG760300 - OT979999 15 Marathon 2-stroke 2005 OT980000 - OT999999 15 Marathon 2-stroke 2005 1B000001 - up Super 15 2-stroke 1988 - 1994 OB238464 - OG044026 Super 15 2-stroke 1994 - 1998 OG044027 - OG760299 Super 15 2-stroke 1999 - 2004 OG760300 - OT979999 15 4-stroke 1998 OG590000 - OG760299 15 4-stroke 1999 - 2005 OG760300 - 1B226999 15 4-stroke 2006 1B227000 - up 20 2-stroke 1984 - 1987 6443973 - 08238463 20 2-stroke 1988 - 1994 08238464 - OG044026 20 2-stroke 1994 - 1998 OG044027 - OG760299 20 2-stroke 1999 - 2004 OG760300 - OT979999 20 JET 2-stroke 1994 - 1998 OG044027 - OG760299 20 JET 2-stroke 1999 - 2004 OG760300 - OT979999 25 2-stroke 1984 - 1987 6443973 - OB238463 25 2-stroke 1988 - 1994 OB238464 - OG044026 25 2-stroke 1994 - 1998 OG044027 - OG760299 25 2-stroke 1999 - 2004 OG760300 - OT979999 25 Marathon 2-stroke 1988 - 1994 OB238464 - OG044026 25 Marathon 2-stroke 1994 - 1998 OG044027 - OG760299 25 Marathon 2-stroke 1999 - 2004 OG760300 - OT979999 25 4-stroke 1998 OG590000 - OG760299 25 4-stroke 2000 - 2001 OG760300 - OT408999 25 4-stroke 2002 - 2005 OT409000 - 1B344298 25 EFI (3 Cyl) 4-stroke 2006 OR106999 - up 30 (2 Cyl) (644cc) 2-stroke 1994 - 1999 OG053314 - OG760299 30 (2 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 30 (2 Cyl) 2-stroke 2005 - 2006 OT980000 - OT999999 30 (2 Cyl) 2-stroke 2005 - 2006 1B000001 - up 30 (3 Cyl) 4-stroke 1999 - 2001 OG760300 - OT408999 30 (3 Cyl) 4-stroke 2002 - 2003 OT409000 - 1B226999 30 EFI (3 Cyl) 4-stroke 2002 - 2005 OT409000 - 1B226999 30 EFI (3 Cyl) 4-stroke 2006 OR106999 - up 30 JET 2-stroke 1994 - 1997 OC159200 - OG589999 40 (2 Cyl) 2-stroke 1994 - 1999 OG053314 - OG760299 40 (2 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 40 (2 Cyl) 2-stroke 2005 OT980000 - OT999999 40 (2 Cyl) 2-stroke 2005 1B000001 - up 40 (3 Cyl) 2-stroke 1997 - 1998 OG531301 - OG760299 40 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 40 (3 Cyl) 2-stroke 2005 1B000001 - up 40 (4 Cyl) 2-stroke 1989 - 1997 OC159200 - up 40 MXL MARATHON 2-stroke 2001 - 2004 ON037781 - ON056164 40 (3 Cyl) 4-stroke 1998 OG231123 - OG760299 40 (3 Cyl) 4-stroke 1999 - 2001 OG760300 - OT408999 40 (3 Cyl) 4-stroke 2002 - 2005 OT409000 - 1B226999 40 (3 Cyl) 4-stroke 2006 1B227000 - 1B344306 40 (4 Cyl) 4-stroke 2001 - 2002 OT178500 - OT598999 40 EFI (3 Cyl) 4-stroke 2006 1C000001 - up 40 EFI (4 Cyl) 4-stroke 2002 - 2006 OT409000 - 1B344306 40 EFI (4 Cyl) 4-stroke 2006 1C000001 - up 45 2-stroke 1985 - 1986 5531630 - OB110788 45 2-stroke 1987 - 1989 OB110789 - up 45 JET 2-stroke 1994 - 1995 OD000750 - OG290584 45 JET 2-stroke 1996 - 1997 OG290585 - OG589999 45 JET 2-stroke 1998 OG590000 - OG760299 45 (Bodensee) 4-stroke 1996 - 1998 OG231123 - OG760299 50 (3 Cyl) 2-stroke 1985 - 1987 6428681 - OB122929 50 (3 Cyl) 2-stroke 1988 - 1990 OB122930 - OD000749 50 (3 Cyl) 2-stroke 1991 - 1995 OD000750 - OG290584 50 (3 Cyl) 2-stroke 1996 - 1997 OG290585 - OG589999 50 (3 Cyl) 2-stroke 1998 OG590000 - OG760299 50 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 50 (3 Cyl) 2-stroke 2005 - 2006 1B000001 - up 50 (4 Cyl) 2-stroke 1980 - 1985 5531630 - up 50MH 2-stroke 2006 ON051023 - up 50 4-stroke 1995 - 1998 OG231123 - OG760299 50 4-stroke 1999 - 2001 OG760300 - OT178499 50 4-stroke 2001 - 2002 OT178500 - OT598999 50 Bigfoot 4-stroke 1995 - 1998 OG231123 - OG760299 50 Bigfoot 4-stroke 1999 - 2001 OG760300 - OT178499 50 EFI (4 Cyl) 4-stroke 2002 - 2006 OT409000 - 1B344306 50 EFI (4 Cyl) 4-stroke 2006 1C000001 - up 55 (3 Cyl) 2-stroke 1992 - 1995 ODOO0750 - OG290584 55 (3 Cyl) 2-stroke 1996 - 1997 OG290585 - OG589999 55 (3 Cyl) 2-stroke 1998 OG590000 - OG760299 55 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 55 (3 Cyl) 2-stroke 2005 - 2006 OT980000 - up 60 (3 Cyl) 2-stroke 1983 - 1986 6428681 - OB122929 60 (3 Cyl) 2-stroke 1986 - 1990 OB122930 - OD000749 60 (3 Cyl) 2-stroke 1991 - 1995 OD000750 - OG290584 60 (3 Cyl) 2-stroke 1996 - 1997 OG290585 - OG589999 60 (3 Cyl) 2-stroke 1998 OG590000 - OG760299 60 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 60 (3 Cyl) 2-stroke 2005 - 2006 OT980000 - up 60 (3 Cyl) BIGFOOT 2-stroke 1999 - 2004 OG760300 - OT979999 60 (4 Cyl) 4-stroke 2001 - 2002 OT178500 - OT598999 60 EFI (4 Cyl) 4-stroke 2002 - 2006 OT409000 - 1B344306 60 EFI (4 Cyl) 4-stroke 2006 1C000001 - up 65 JET 2-stroke 1994 - 1998 OD283222 - OG760299 70 (3 Cyl) 2-stroke 1979 5361993 - 5702219 70 (3 Cyl) 2-stroke 1980 - 1984 5702220 - 6428680 70 (3 Cyl) 2-stroke 1987 OA996142 - OB240450 75 (4 Cyl) 2-stroke 1983 - 1986 6432901 - up 75 (3 Cyl) 2-stroke 1987 OA996142 - OB240450 75 (3 Cyl) 2-stroke 1988 - 1990 OB240451 - OC221999 75 (3 Cyl) 2-stroke 1991 - 1993 OC222000 - OD283221 75 (3 Cyl) 2-stroke 1994 - 1998 OD283222 - OG760299 75 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 75 (3 Cyl) 2-stroke 2005 - 2006 OT980000 - OT999999 75 (3 Cyl) 2-stroke 2005 - 2006 1B000001 - up 75 DFI (3 Cyl)(1.5L) 2-stroke 2005 OT980000 - 1B226999 75 DFI (3 Cyl)(1.5L) 2-stroke 2006 1B227000 - up 75 4-stroke 2000 - 2003 OG960500 - OT800999 75 4-stroke 2004 - 2005 OT801000 - 1B226999 75 (BODENSEE) 4-stroke 2000 - 2003 OG960500 - OT800999 75 (BODENSEE) 4-stroke 2004 - 2005 OT801000 - 1B226999 75 EFI 4-stroke 2005 - 2006 1B172291 - up 80 2-stroke 1977 - 1979 4842729 - 5763340 80 2-stroke 1980 - 1984 5763341 - 6432900 80 2-stroke 1987 OA996142 - OB240450 80 JET 2-stroke 1994 - 1998 OD283222 - OG760299 80 EFI 4-stroke 2006 1B227000 - up 85 2-stroke 1977 4731898 - 4842728 90 (3 Cyl) 2-stroke 1987 OA996142 - OB240450 90 (3 Cyl) 2-stroke 1988 - 1989 OB240451 - OC221999 90 (3 Cyl) 2-stroke 1990 - 1993 OC222000 - OD283221 90 (3 Cyl) 2-stroke 1994 - 1998 OD283222 - OG760299 90 (3 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 90 (3 Cyl) 2-stroke 2005 - 2006 OT980000 - OT999999 90 (3 Cyl) 2-stroke 2005 - 2006 1B000001 - up 90 (6 Cyl) 2-stroke 1978 - 1979 5309951 - 5721324 90 (6 Cyl) 2-stroke 1980 - 1983 5721325 - 6436122 90 (6 Cyl) 2-stroke 1984 - 1986 6436123 - up 90 DFI (3 Cyl)(1.5L) 2-stroke 2004 - 2005 OT980000 - 1B226999 90 DFI (3 Cyl)(1.5L) 2-stroke 2006 1B227000 - up 90 Sport Jet Model 2-stroke 1993 - 1994 OE023150 - OE095087 90 Sport Jet Model 2-stroke 1995 OE095088 - OE138599 90 4-stroke 2000 - 2003 OG960500 - OT800999 90 4-stroke 2004 - 2005 OT801000 - 1B226999 90 EFI 4-stroke 2005 - 2006 1B172291 - up 95XR Sport Jet Model 2-stroke 1996 - 1997 OE141089 - OE315904 100 (4 Cyl) 2-stroke 1988 - 1993 OB209468 - OD283221 100 (4 Cyl) 2-stroke 1994 - 1998 OD283222 - OG760299 100 (4 Cyl) 2-stroke 1999 - 2000 OG760300 - OG965520 100 EFI 4-stroke 2006 1B227000 & Up 105 JET 2-stroke 1994 - 1995 OG303045 - below 105 JET 2-stroke 1996 - up OG303046 - OG760299 115 (4 Cyl) 2-stroke 1989 - 1993 OC100000 - OD283221 115 (4 Cyl) 2-stroke 1994 - 1998 OD283222 - OG760299 115 (4 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 115 (4 Cyl) 2-stroke 2005 - 2006 OT980000 - OT999999 115 (4 Cyl) 2-stroke 2005 - 2006 1B000001 - up 115 (6 Cyl) 2-stroke 1977 - 1979 4865178 - 5430526 115 (6 Cyl) 2-stroke 1979 5430527 - 5738890 115 (6 Cyl) 2-stroke 1980 - 1983 5738891 - 6436122 115 (6 Cyl) 2-stroke 1984 - 1988 6436123 - up 115 DFI (3 Cyl)(1.5L) 2-stroke 2004 - 2005 OT980000 - 1B226999 115 DFI (3 Cyl)(1.5L) 2-stroke 2006 1B227000 - up V-115 DFI (2.5L) 2-stroke 2000 OG960500 - OT178499 115 EFI 4-stroke 2001 - 2003 OT178500 - OT800999 - none 115 EFI 4-stroke 2004 - 2005 OT801000 - 1B226999 115 EFI 4-stroke 2006 1B227000 - up 115 EFI 4-stroke 2006 1B366823 - up 120 Sport Jet Model 2-stroke 1995 OE080400 - OE145579 120XR Sport Jet Model 2-stroke 1996 - 1998 OE141089 - OE344999 120XR2 Sport Jet Model 2-stroke 1999 - 2000 OE345000 - OE369299 125 (4 Cyl) 2-stroke 1994 - 1998 OD283222 - OG760299 125 (4 Cyl) 2-stroke 1999 - 2004 OG760300 - OT979999 125 (4 Cyl) 2-stroke 2005 - 2006 OT980000 - OT999999 125 (4 Cyl) 2-stroke 2005 - 2006 1B000001 - up 135 Verado 4-stroke 2006 1B227000 - up 140 2-stroke 1978 - 1979 5088444 - 5443029 140 2-stroke 1979 5443030 - up 140 JET 2-stroke 2001 - 2005 OG960500 - OT178499 V-135 2-stroke 1986 - 1988 OA904646 - OC100860 V-135 2-stroke 1989 - 1990 OC100861 - OC239552 V-135 2-stroke 1991 OC239553 - OD081999 V-135 2-stroke 1992 - 1995 OD082000 - OG303045 V-135 2-stroke 1996 - 1998 OG303046 - OG760299 V-135 2-stroke 1999 OG760300 - OG960499 V-135 2-stroke 2000 - 2001 OG960500 - OT178499 V-135 DFI (2.5L) 2-stroke 1998 OG590000 - OG760299 V-135 DFI (2.5L) 2-stroke 1999 OG760300 - OG960499 V-135 DFI (2.5L) 2-stroke 2000 OG960500 - OT178499 V-135 DFI (2.5L) 2-stroke 2001 - 2003 OT178500 - OT800999 V-135 DFI (2.5L) 2-stroke 2004 - 2005 OT801000 - 1B226999 V-135 DFI (2.5L) 2-stroke 2006 1B227000 - up 140 JET 2-stroke 1994 - 1995 OG303045 - below 140 JET 2-stroke 1996 - 1998 OG303046 - OG760299 V-150 2-stroke 1979 - 1981 5600162 - 6038680 V-150 2-stroke 1982 - 1983 6038681 - 6443817 V-150 2-stroke 1984 6443818 - 6616990 V-150 2-stroke 1985 6616991 - OA904645 V-150 2-stroke 1986 - 1988 A904646 - OC100860 V-150 2-stroke 1989 - 1990 OC100861 - OC239552 V-150 2-stroke 1990 - 1991 OC239553 - OD081999 V-150 2-stroke 1992 - 1995 OD082000 - OG303045 V-150 2-stroke 1996 - 1998 OG303046 - OG760299 V-150 2-stroke 1999 OG760300 - OG960499 V-150 2-stroke 2000 - 2005 OG960500 - 1B226999 V-150 (Mag/EFI) 2-stroke 1993 - 1995 OD082000 - OG303045 V-150 (EFI) 2-stroke 1996 - 1998 OG303046 - OG760299 V-150 (EFI) 2-stroke 1999 OG760300 - OG960499 V-150 (EFI) 2-stroke 2000 - 2001 OG960500 - OT408999 V-150 DFI (2.5L) 2-stroke 1998 OG590000 - OG760299 V-150 DFI (2.5L) 2-stroke 1999 OG760300 - OG960499 V-150 DFI (2.5L) 2-stroke 2000 OG960500 - OT178499 V-150 DFI (2.5L) 2-stroke 2001 - 2003 OT178500 - OT800999 V-150 DFI (2.5L) 2-stroke 2004 - 2005 OT801000 - 1B226999 V-150 DFI (2.5L) 2-stroke 2006 1B227000 - up 150 Verado 4-stroke 2006 1B227000 - up Magnum II (150) 2-stroke 1988 OB242885 - OC100860 Magnum II (150) 2-stroke 1989 OC100861 - OC239552 Magnum II (150) 2-stroke 1990 - 1991 OC239553 - ODO81999 Magnum III (150) 2-stroke 1992 - 1995 OD082000 - OG303045 Magnum III (150) 2-stroke 1996 - 1998 OG303046 - OG760299 Magnum III (150) 2-stroke 1999 OG760300 - OG960499 Magnum III (150) 2-stroke 2000 - 2005 OG960500 - 1B226999 V-175 2-stroke 1978 5190663 - 5316380 V-175 2-stroke 1979 - 1980 5316381 - 6618750 V-175 2-stroke 1984 - 1989 6618751 - OC100860 V-175 2-stroke 1990 OC100861 - OC239552 V-175 2-stroke 1991 OC239553 - OD081999 V-175 2-stroke 1992 - 1995 OD082000 - OG303045 V-175 2-stroke 1996 - 1998 OG303046 - OG760299 V-175 2-stroke 1999 OG760300 - OG960499 V-175 SKI 2-stroke 1989 - 1990 OC100861 - OC239552 V-175 SKI 2-stroke 1991 OC239553 - OD081999 V-175 SKI 2-stroke 1992 OD082000 - OG303045 V-175 (Mag/EFI) 2-stroke 1990 - 1991 OD000750 - OD081999 V-175 (Mag/EFI) 2-stroke 1992 - 1995 OD082000 - OG303045 V-175 (Mag/EFI) 2-stroke 1996 - 1998 OG303046 - OG760299 V-175 EFI 2-stroke 1999 OG760300 - OG960499 V-175 EFI 2-stroke 2000 - 2001 OG960500 - OT408999 V-175 DFI (2.5L) 2-stroke 2001 - 2002 OT178500 - OT800999 V-175 DFI (2.5L) 2-stroke 2004 - 2005 OT801000 - 1B226999 V-175 DFI (2.5L) 2-stroke 2006 1B227000 - up 175XR2 Sport Jet Model 2-stroke 1997 - 1999 OE203000 - OE369299 175XR2 Sport Jet Model 2-stroke 2000 - 2001 OE369300 - OE433153 175 Verado 4-stroke 2006 1B227000 - 1B381711 175 Verado 4-stroke 2006 1B381712 - up V-200 2-stroke 1979 - 1981 5624878 - 6055032 V-200 2-stroke 1982 6055033 - 6201969 V-200 2-stroke 1983 6201970 - 6435982 V-200 2-stroke 1984 6435983 - 6625220 V-200 2-stroke 1985 - 1988 6625221 - OC100860 V-200 2-stroke 1989 - 1990 OC100861 - OC291519 V-200 2-stroke 1991 OC291520 - OD081999 V-200 2-stroke 1992 - 1995 OD082000 - OG303045 V-200 2-stroke 1996 - 1998 OG303046 - OG760299 V-200 2-stroke 1999 OG760300 - OG960499 V-200 2-stroke 2000 - 2005 OG960500 - 1B226999 V-200 (Mag/EFI) 2-stroke 1992 - 1995 OD082000 - OG303045 V-200 EFI 2-stroke 1996 - 1998 OG303046 - OG760299 V-200 EFI 2-stroke 1999 OG760300 - OG960499 V-200 EFI 2-stroke 2000 - 2001 OG960500 - OT408999 V-200 EFI 2-stroke 2002 - 2003 OT409000 - OT800999 V-200 EFI 2-stroke 2004 - 2005 OT801000 - 1B226999 V-200 EFI 2-stroke 2006 - 2006 1B227000 - up 200 DFI 2-stroke 1997 OG386496 - OG589999 200 DFI 2-stroke 1998 OG590000 - OG760299 200 DFI 2-stroke 1999 OG760300 - OG960499 200 DFI 2-stroke 2000 OG960500 - OT178499 200 DFI 2-stroke 2001 - 2002 OT178500 - OT598999 200 DFI 2-stroke 2003 OT599000 - OT800999 200 DFI 2-stroke 2004 - 2006 OT801000 - up 200 Verado 4-stroke 2005 OT980000 - 1B226999 200 Verado 4-stroke 2006 1B227000 - up 225 DFI 2-stroke 1998 OG590000 - OG760299 V-220 2-stroke 1986 - 1988 OB117316 - up 225 2-stroke 1994 - 1998 OD280813 - OG760299 225 2-stroke 1999 - 2001 OG760300 - OT408999 225 Marathon 2-stroke 1994 - 1998 OG245605 - OG760299 225 SEAPRO/MARATHON 2-stroke 1999 - 2001 OG760300 - OT408999 225 EFI 2-stroke 1995 - 1998 OG129222 - OG760299 225 EFI 2-stroke 2002 - 2003 OT409000 - OT800999 225 EFI 2-stroke 2004 - 2006 OT801000 - up 225 EFI MARATHON 2-stroke 2002 - 2003 OT409000 - OT800999 225 EFI MARATHON 2-stroke 2004 - 2006 OT801000 - up 225 DFI 2-stroke 1999 OG760300 - OG960499 225 DFI 2-stroke 2000 OG960500 - OT178499 225 DFI 2-stroke 2001 - 2002 OT178500 - OT598999 225 DFI 2-stroke 2003 OT599000 - OT800999 225 DFI 2-stroke 2004 - 2006 OT801000 - up 225 DFI (DTS) 2-stroke 2003 - 2004 OT599000 - up 225 Verado 4-stroke 2005 OT980000 - 1B226999 225 Verado 4-stroke 2006 1B227000 - up 250 EFI 2-stroke 1995 - 1998 OG129222 - OG760299 250 EFI 2-stroke 1999 - 2001 OG760300 - OT408999 250 EFI 2-stroke 2002 - 2003 OT409000 - OT800999 250 EFI 2-stroke 2004 - 2006 OT801000 - up 250 Verado 4-stroke 2005 OT980000 - 1B226999 250 Verado 4-stroke 2006 1B227000 - up 275 Verado 4-stroke 2005 OT980000 - 1B226999 275 Verado 4-stroke 2006 1B227000 - up Horsepower Stroke Year Serial Range