Here we have a 40 50hp Yamaha exhaust housing with water tube, exhaust guide, tuner and all pictured.  Total length from top to bottom is approximately 19-7/16". Good solid housing. No cracks breaks or welds.  Fresh water. Removed from model 40ETLK 6H4-L-550775. See pics.

Yamaha Outboard 40HP 40LH 1987 Upper Casing

Yamaha Outboard 40HP 40ELRR 1993 Upper Casing

Yamaha Outboard 50HP 50ETSN 1984 Upper Casing

Yamaha Outboard 50HP 50ESG-JD 1988 Upper Casing

Yamaha Outboard 50HP 50ELJ-JD 1986 Upper Casing

Yamaha Outboard 40HP 40MJHQ 1992 Upper Casing

Yamaha Outboard 50HP PR50LF 1989 Upper Casing

Yamaha Outboard 50HP 50ELJ 1986 Upper Casing

Yamaha Outboard 40HP 40SF-JD 1989 Upper Casing

Yamaha Outboard 40HP 40LN 1984 Upper Casing

Yamaha Outboard 40HP 40MJHR 1993 Upper Casing

Yamaha Outboard 40HP 40LJ 1986 Upper Casing

Yamaha Outboard 50HP 50ESG 1988 Upper Casing

Yamaha Outboard 50HP 50ETLK 1985 Upper Casing

Yamaha Outboard 50HP 50ESF-JD 1989 Upper Casing

Yamaha Outboard 40HP 40SF 1989 Upper Casing

Yamaha Outboard 50HP 50ELH 1987 Upper Casing

Yamaha Outboard 40HP 40ETLD 1990 Upper Casing

Yamaha Outboard 40HP 40ESRR 1993 Upper Casing

Yamaha Outboard 50HP 50ETSK 1985 Upper Casing

Yamaha Outboard 40HP 40ESF 1989 Upper Casing

Yamaha Outboard 40HP 40LG 1988 Upper Casing

Yamaha Outboard 40HP 40ELRQ 1992 Upper Casing

Yamaha Outboard 50HP 50ESJ 1986 Upper Casing

Yamaha Outboard 50HP PRO50LD 1990 Upper Casing

Yamaha Outboard 40HP 40ESG 1988 Upper Casing

Yamaha Outboard 40HP 40SG-JD 1988 Upper Casing

Yamaha Outboard 40HP 40SG 1988 Upper Casing

Yamaha Outboard 40HP 40ESJ 1986 Upper Casing

Yamaha Outboard 40HP 40MLHP 1991 Upper Casing

Yamaha Outboard 40HP 40MSHQ 1992 Upper Casing

Yamaha Outboard 40HP 40MSHR 1993 Upper Casing

Yamaha Outboard 40HP 40SJ-JD 1986 Upper Casing

Yamaha Outboard 40HP 40EJRQ 1992 Upper Casing

Yamaha Outboard 40HP 40EJRP 1991 Upper Casing

Yamaha Outboard 40HP 40ELG 1988 Upper Casing

Yamaha Outboard 40HP 40ELJ 1986 Upper Casing

Yamaha Outboard 40HP 40ESK 1986 Upper Casing

Yamaha Outboard 40HP 40ELK 1986 Upper Casing

Yamaha Outboard 40HP 40MLHQ 1992 Upper Casing

Yamaha Outboard 40HP 40SK 1985 Upper Casing

Yamaha Outboard 40HP 40SD-JD 1990 Upper Casing

Yamaha Outboard 40HP 40SD 1990 Upper Casing

Yamaha Outboard 40HP 40MLHR 1993 Upper Casing

Yamaha Outboard 40HP 40PLRP 1991 Upper Casing

Yamaha Outboard 40HP 40ELN 1984 Upper Casing

Yamaha Outboard 50HP 50ESD 1990 Upper Casing

Yamaha Outboard 40HP 40SN 1984 Upper Casing

Yamaha Outboard 40HP 40ETLF 1989 Upper Casing

Yamaha Outboard 40HP 40ETLG 1988 Upper Casing

Yamaha Outboard 40HP 40SH 1987 Upper Casing

Yamaha Outboard 40HP 40ELD 1990 Upper Casing

Yamaha Outboard 40HP 40EJRR 1993 Upper Casing

Yamaha Outboard 50HP 50ESF 1989 Upper Casing

Yamaha Outboard 50HP 50ESD-JD 1990 Upper Casing

Yamaha Outboard 40HP 40ETLH 1987 Upper Casing

Yamaha Outboard 40HP 40ESRP 1991 Upper Casing

Yamaha Outboard 40HP 40PLRQ 1992 Upper Casing

Yamaha Outboard 40HP 40LD 1990 Upper Casing

Yamaha Outboard 50HP 50ETLN 1984 Upper Casing

Yamaha Outboard 40HP 40MJHP 1991 Upper Casing

Yamaha Outboard 40HP 40ESH 1987 Upper Casing

Yamaha Outboard 40HP 40ESRQ 1992 Upper Casing

Yamaha Outboard 50HP 50ETLJ 1986 Upper Casing

Yamaha Outboard 40HP 40SH-JD 1987 Upper Casing

Yamaha Outboard 40HP 40ESN 1984 Upper Casing

Yamaha Outboard 40HP 40ELF 1989 Upper Casing

Yamaha Outboard 40HP 40LF 1989 Upper Casing

Yamaha Outboard 40HP 40ESD 1990 Upper Casing

Yamaha Outboard 50HP PRO50LF 1989 Upper Casing

Yamaha Outboard 40HP 40ETLK 1985 Upper Casing

Yamaha Outboard 40HP 40PLRR 1993 Upper Casing

Yamaha Outboard 50HP 50ESH-JD 1987 Upper Casing

Yamaha Outboard 40HP 40ETLJ 1986 Upper Casing

Yamaha Outboard 40HP 40ELH 1987 Upper Casing

Yamaha Outboard 50HP 50ESH 1987 Upper Casing

Yamaha Outboard 50HP 50ELG 1988 Upper Casing

Yamaha Outboard 50HP 50ELF 1989 Upper Casing

Yamaha Outboard 40HP 40SJ 1986 Upper Casing

Yamaha Outboard 40HP 40ELRP 1991 Upper Casing

Yamaha Outboard 40HP 40MSHP 1991 Upper Casing

Yamaha Outboard 50HP 50ELD 1990 Upper Casing

Yamaha Outboard 40HP 40LK 1985 Upper Casing

GM27234