1973 Johnson Outboard Models Where can I find my model number? 2 2R73B 4 4R73C 4W73C 6 6R73S 6RL73S 9.5 9R73B 9RL73B 20 20R73A 20RL73A 25 25E73A 25EL73A 25R73A 25RL73A 40 40E73D 40EL73D 40R73D 40RL73D 50 50ES73R 50ESL73R 50R73R 50RL73R 65 65ES73R 65ESL73R 85 85ESL73M 115 115ESL73M 135 135ESL73M
