YAMAHA: T25 HP 2010 - present F30 (4-stroke) 2001 - 2005 40 hp (Includes C40) .... 1984 - present F40 (4-stroke) 1999 - present 48 hp 1995 - 2000 50 hp (not T50) 1984 - present F50 (4-stroke) 1995 - present 55 hp 1976 - 1995 60 hp 1976 - 1991 F60 (4-stroke) 1999 - present time. SUZUKI: DT35C 1987 - 1989 DT 40 1983 - 1998 DF 40 (4-stroke) 1999 - 2000 DF 40A since 2010 DT 50, 50M 1983 - 1984 DF 50 (4-stroke) since 1999 DF 50A (4-stroke) since 2010 DT 55 1985 - 1997 DT 60 1983 - 1984 DF 60A (4-stroke) since 2010 DT 65 1985 - 1997 HONDA: BF 35 hp 1991 - 1994 BF 40 hp 1995 - present BF 45 hp 1991 - 1994 BF 50/50A hp 1995 - present BF 60 2010 - present When selecting a propeller for an outboard motor, special attention should be paid to the number of splines.