<> Before Purchase! Please confirm the OEM No. / Part correct and fit your Engine Model. If you have any concerns regarding the suitability of the item please contact us before purchase. This is aftermarket parts,Not OEM parts! It is a brand new high quality head gasket for Yamaha Outboard Motor,Mercury Mariner Old series 25HP 30HP For Yamaha Part number: 689-11181-A0 (A1/A2), 689-11181-00/02 Repair for Yamaha Outboard : 25HP, CV30, C30, 30HP series (Year 1984 – 1992) For Mercury Mariner Outboard Parts number : 27-19138, 27-19138M, 27-84733M It will generally fit the following Yamaha outboards: 30A (1990-92). All those Mariner outboards (30A) whose serial number starts with 689 If you are unsure, please provide your engine serial number. This Yamaha 689-11181-A0-00 .GASKET, CYLINDER HEAD 1 fits the following models and components: Yamaha Outboard 25HP 25LK 1985 Crankcase – Cylinder Yamaha Outboard 25HP 25SK 1985 Crankcase – Cylinder Yamaha Outboard 25HP 25ELH 1987 Crankcase – Cylinder Yamaha Outboard 25HP 25SN 1984 Crankcase – Cylinder Yamaha Outboard 25HP 25ESJ 1986 Crankcase – Cylinder Yamaha Outboard 25HP 25LH 1987 Crankcase – Cylinder Yamaha Outboard 30HP 30ELN 1984 Crankcase – Cylinder Yamaha Outboard 25HP 25ELK 1985 Crankcase – Cylinder Yamaha Outboard 25HP 25ELJ 1986 Crankcase – Cylinder Yamaha Outboard 30HP CV30ELD 1990 Crankcase – Cylinder Yamaha Outboard 25HP 25ELN 1984 Crankcase – Cylinder Yamaha Outboard 30HP 30ELJ 1986 Crankcase – Cylinder Yamaha Outboard 25HP 25LJ 1986 Crankcase – Cylinder Yamaha Outboard 25HP 25ESH 1987 Crankcase – Cylinder Yamaha Outboard 25HP 25ESK 1985 Crankcase – Cylinder Yamaha Outboard 25HP 25LN 1984 Crankcase – Cylinder Yamaha Outboard 25HP 25SJ 1986 Crankcase – Cylinder Yamaha Outboard 25HP 25ESN 1984 Crankcase – Cylinder Yamaha Outboard 30HP CV30ELF 1989 Crankcase – Cylinder Yamaha Outboard 30HP 30ESN 1984 Crankcase – Cylinder Yamaha Outboard 30HP 30ESJ 1986 Crankcase – Cylinder Yamaha Outboard 30HP 30ESK 1985 Crankcase – Cylinder Yamaha Outboard 30HP 30ELK 1985 Crankcase – Cylinder Yamaha Outboard 25HP 25SH 1987 Crankcase – Cylinder Yamaha Outboard 30HP C30ELRP 1991 CYLINDER CRANKCASE Yamaha Outboard 30HP C30ELRQ 1992 CYLINDER CRANKCASE Yamaha Outboard 30HP CV30ELD 1990 Repair Kit 1 Yamaha Outboard 30HP C30ELRP 1991 Repair Kit 1 Yamaha Outboard 30HP C30ELRQ 1992 Repair Kit 1 Yamaha Outboard 30HP CV30ELF 1989 Repair Kit 1