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You may ignore any letters before the horsepower designation, and those after any of the following model numbers that match yours (e.g.your 20 HP model # J20R69M would match20R69in the chart, ignoring the 'J' and 'M')

1. Omc Outboard Serial Number Lookup
2. Omc Serial Number Check

You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. See below for a Model Number Description Guide and Serial Number to Year chart. Mercury Outboard Model Code Mercury Outboard Year by Model & Serial Number. Johnson and Evinrude are two of the oldest American made outboards. Invented in the early 1900s, the two companies joined together under the OMC brand (Outboard and Marine Manufacturing Co.) in 1935. They then became part of the Bombardier company. The year is encrypted in the serial number or model number on almost any Johnson outboard. Serial Numbers (1931 to 1962) Early models, manufactured from 1931 to 1962, used a letter code and production number to denote the model and year of manufacture. Use the tables below to identify your outboard model and the date range it was manufactured. For production number and year manufactured information, click on the 'Year' link in the.

MODEL HP YEAR 9R70-9RL70 9.5 1970 9R71-9RL71 9.5 1971 9R72-9RL72 9.5 1972 9R73-9RL73 9.5 1973 10BA74-10BAL74 9.9 1974 10BA75-10BAL75 9.9 1975 10BA76-10BAL76 9.9 1976 10BA77-10BAL77 9.9 1977 10BA78-10BAL78 9.9 1978 10BA79-10BAL79 9.9 1979 10E74-10EL74 9.9 1974 10E75-10EL75 9.9 1975 10E76-10EL76 9.9 1976 10E77-10EL77 9.9 1977 10E78-10EL78 9.9 1978 10E79-10EL79 9.9 1979 10R74-10RL74 9.9 1974 10R75-10RL75 9J9 1975 10R76-10RL76 9.9 1976 10R77-10RL77 9.9 1977 10R78-10RL78 9.9 1978 10R79-10RL79 9.9 1979 10SEL78 9.9 1978 10SEL79 9.9 1979 15BA74-15BAL74 15 1974 15BA75-15BAL75 15 1975 15BA76-15BAL76 15 1976 15BA77-15BAL77 15 1977 15BA78-15BAL78 15 1978 15BA79-15BAL79 15 1979 15E74-15EL74 15 1974 15E75-15EL75 15 1975 15E76-15EL76 15 1976 15E77-15EL77 15 1977 15E78-15EL78 15 1978 15E79-15EL79 15 1979 15R74-15RL74 15 1974 15R75-15RL75 15 1975 15R76-15RL76 15 1976 15R77-15RL77 15 1977 15R78-15RL78 15 1978 15R79-15RL79 15 1979 20B70-20BL70 20 1970 20BR73-20BRL73 20 1973 20BA74-20BAL74 20 1974 20BA75-20BAL75 20 1975 20BA76-20BAL76 20 1976 20BA77-20BAL77 20 1977 20BF78-20BFL78 20 1978 20BF79-20BFL79 20 1979 20CR78-20CRL78 20 1978 20CR79-20CRL79 20 1979 20R69-20RL69 20 1969 20R70-20RL70 20 1970 20R71-20RL71 20 1971 20R72-20RL72 20 1972 20R73-20RL73 20 1973 25BA74-25BAL74 25 1974 25BA75-25BAL75 25 1975 25BA76-25BAL76 25 1976 25BA77-25BAL77 25 1977 25BA78-25BAL78 25 1978 25BA79-25BAL79 25 1979 25BE78-25BEL78 25 1978 25BE79-25BEL79 25 1979 25BF77-25BFL77 25 1977 25BF78-25BFL78 25 1978 25BF79-25BFL79 25 1979 25BR73-25BRL73 25 1973 25E72-25EL72 25 1972 25E73-25EL73 25 1973 25E74-25EL74 25 1974 25E75-25EL75 25 1975 25E76-25EL76 25 1976 25E77-25EL77 25 1977 25E78-25EL78 25 1978 25E79-25EL79 25 1979 25R69-25RL69 25 1969 25R70-25RL70 25 1970 25R71-25RL71 25 1971 25R72-25RL72 25 1972 25R73-25RL73 25 1973 25R74-25RL74 25 1974 25R75-25RL75 25 1975 25R76-25RL76 25 1976 25R77-25RL77 25 1977 25R78-25RL78 25 1978 25R79-25RL79 25 1979 33E69-33EL69 33 1969 33E70-33EL70 33 1970 33E71F-33EL71F 33 1971 33R69-33RL69 33 1969 33R70-33RL70 33 1970 33R71F-33RL71F 33 1971 35BA76-35BAL76 35 1976 35BA77-35BAL77 35 1977 35BA78-35BAL78 35 1978 35BA79-35BAL79 35 1979 35E76-35EL76 35 1976 35E77-35EL77 35 1977 35E78-35EL78 35 1978 35E79-35EL79 35 1979 35R76-35RL76 35 1976 35R77-35RL77 35 1977 35R78-35RL78 35 1978 35R79-35RL79 35 1979 40BA74-40BAL74 40 1974 40BA75-40BAL75 40 1975 40BA76-40BAL76 40 1976 40E69-40EL69 40 1969 40E70-40EL70 40 1970 40E71-40EL71 40 1971 40E72-40EL72 40 1972 40E73-40EL73 40 1973 40E74-40EL74 40 1974 40E75-40EL75 40 1975 40E76-40EL76 40 1976 40ES69-40ESL69 40 1969 40ES70-40ESL70 40 1970 40ES71-40ESL71 40 1971 40R69-40RL69 40 1969 40R70-40RL70 40 1970 40R71-40RL71 40 1971 40R72-40RL72 40 1972 40R73-40RL73 40 1973 40R74-40RL74 40 1974 40R75-40RL75 40 1975 40R76-40RL76 40 1976 40R77-40RL77 40 1977 40R79-40RL79 40 1979

MODEL HP YEAR 50ES71-50ESL71 50 1971 50ES72-50ESL72 50 1972 50ES73-50ESL73 50 1973 50ES74-50ESL74 50 1974 50ES75-50ESL75 50 1975 50R72-50RL72 50 1972 50R73-50RL73 50 1973 50R75-50RL75 50 1975 50R77-50RL77 50 1977 50R78-50RL78 50 1978 50R79-50RL79 50 1979 55E76-55EL76 55 1976 55E77-55EL77 55 1977 55E78-55EL78 55 1978 55E79-55EL79 55 1979 55ES69-55ESL69 55 1969 55ETL77 55 1977 55ETL78 55 1978 55ETL79 55 1979 55R76-55RL76 55 1976 55R79-55RL79 55 1979 60ES70-60ESL70 60 1970 60ES71-60ESL71 60 1971 65ES72-65ESL72 65 1972 65ES73-65ESL73 65 1973 65ESLR72 65 1972 65ESR73-65ESLR73 65 1973 70EL76 70 1976 70EL77-70ETL77 70 1977 70EL78-70ETL78 70 1978 70EL79-70ETL79 70 1979 70ESLR74 70 1974 70ES74-70ESL74 70 1974 70ES75-70ESL75 70 1975 75BER79 75 1979 75ER76-75ELR76 75 1976 75ER77-75ELR77 75 1977 75ER78-75ELR78 75 1978 75ER79-75ELR79 75 1979 75ESR75-75ESLR75 75 1975 75ETLR77 75 1977 75ETLR78 75 1978 75ETLR79 75 1979 85EL76 85 1976 85EL77 85 1977 85ESL69 85 1969 85ESL70 85 1970 85ESL71 85 1971 85ESL72 85 1972 85ESL73 85 1973 85ESL74 85 1974 85ESL75 85 1975 85ETLR76 85 1976 85ETLR77 85 1977 85ETLR78 85 1978 85ML78 85 1978 85ML79 85 1979 85TL79 85 1979 85TXLR77 85 1977 85TXLR78 85 1978 85TXL79 85 1979 100ESL71 100 1971 100ESL72 100 1972 100ML79 100 1979 100TLR79 100 1979 100TXLR79 100 1979 115EL76 115 1976 115EL77 115 1977 115ESL69 115 1969 115ESL70 115 1970 115ESL73 115 1973 115ESL74 115 1974 115ESL75 115 1975 115ETL74 115 1974 115ETL75 115 1975 115ETL76 115 1976 115ETL77 115 1977 115ETL78 115 1978 115ML78 115 1978 115ML79 115 1979 115TL79 115 1979 115TXL77 115 1977 115TXL78 115 1978 115TXL79 115 1979 125ESL71 125 1971 125ESL72 125 1972 135EL76 135 1976 135ESL73 135 1973 135ESL74 135 1974 135ESL75 135 1975 135ETL74 135 1974 135ETL75 135 1975 135ETL76 135 1976 140ML77 140 1977 140ML78 140 1978 140ML79 140 1979 140TL77 140 1977 140TL78 140 1978 140TL79 140 1979 140TXL77 140 1977 140TXL78 140 1978 140TXL79 140 1979 150TL78 150 1978 150TL79 150 1979 150TXL78 150 1978 150TXL79 150 1979 175TL77 175 1977 175TL78 175 1978 175TL79 175 1979 175TXL77 175 1977 175TXL78 175 1978 175TXL79 175 1979 200TL76 200 1976 200TL77 200 1977 200TL78 200 1978 200TL79 200 1979 200TXL76 200 1976 200TXL77 200 1977 200TXL78 200 1978 200TXL79 200 1979 235TL78 235 1978 235TL79 235 1979 235TXL78 235 1978 235TXL79 235 1979

Search By Model Or Serial Number For The Fastest Way To Locate Your Parts

Every model has its own specific set of parts that fit it. Click your manufacturer below for instructions on locating your model or serial number.

Omc Outboard Serial Number Lookup

Johnson/Evinrude Model Number Location

Johnson/Evinrude

The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard).

OMC Model Number Location

OMC Engines and Outdrive

The model and serial numbers of the vertical drive should be located on the engine model and serial number plate. If the vertical drive model and serial numbers are not recorded with the engine model and serial number, they can be found on a plate located on the vertical drive. The transom mount model and serial number plate is located on the inner transom plate.

Mercury Marine Serial Number Location

Mercury Outboards

The serial number tag is located on the SWIVEL BRACKET (port or starboard); or, check the INSTRUCTION PLATE, located between the thumb screws above the steering tube.

Mariner Outboards

The serial number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard).

MerCruiser

Engines

The serial number tag is located near the STARTER, by the flywheel housing; or, on the ROCKER ARM or FLAME ARRESTOR COVER.Transom plates: The serial number tag is located on the INNER TRANSOM PLATE inside the boat; or, on the UPPER SWIVEL PIN.

Sterndrives

The serial number tag is located on the UPPER DRIVE SHAFT HOUSING (starboard side or on the back of the housing).

Yamaha Model Number Location

Omc Serial Number Check

Yamaha Outboards

The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard).

Suzuki Model Number Location

Suzuki Outboards

The model (and serial) number tag is located on the top outside edge of the CLAMP BRACKET. If your engine is newer than 2011 you will use the engine serial number instead of the model number.