1977 Johnson Outboard Models Where can I find my model number? 2 2R77C 4 4R77B 4W77B 6 6R77M 6RL77M 9.9 10E77A 10EL77A 10R77A 10RL77A 15 15E77M 15EL77M 15R77M 15RL77M 25 25E77S 25EL77H 25EL77S 25R77H 25R77S 25RL77H 25RL77S 35 35E77C 35E77H 35EL77C 35EL77H 35R77C 35R77H 35RL77C 35RL77H 55 55E77D 55EL77D 70 70EL77S 75 75ELR77S 75ER77S 85 85EL77S 85ETLR77S 85TXLR77S 115 115EL77S 115ETL77 115TXL77S 140 140ML77S 140TL77S 140TXL77S 175 175TL77S 175TXL77S 200 200TL77C 200TXL77C