1980 Mercury Outboard Models Where can I find my serial number? 3.6 [ML] 1003220 3.6 [M] 1003200 4 [ML] 1004220 4 [M] 1004200 4.5 [ML] 1005220 4.5 [M] 1005200 7.5 [EL] 1007520 7.5 [ML] 1007220 7.5 [M] 1007200 9.8 [EL] 1010520 9.8 [E] 1010500 9.8 [ML] 1010220 9.8 [M] 1010200 TH [D] 1001300 TH [R] 1001400 TH [T] 1001200 1001500 TH+ [D] 1001600 TH+ [R] 1001700 18 [EL] 1018520 18 [E] 1018500 18 [ML] 1018220 18 [M] 1018200 20 [EL] 1020520 20 [E] 1020500 20 [ML] 1020220 20 [M] 1020200 25 [EL] 1025520 25 [E] 1025500 25 [ML] 1025220 25 [M] 1025200 40 [EH] 1040530 40 [ELH] 1040550 40 [EL] 1040520 40 [E] 1040500 40 [ML] 1040220 40 [M] 1040200 50 [EH] 1050530 50 [ELH] 1050550 50 [ELPT] 1050620 50 [EL] 1050520 50 [E] 1050500 50 [ML] 1050220 50 [M] 1050200 70 [ELPT] 1070620 70 [EL] 1070520 70 [E] 1070500 80 [ELPT] 1080620 80 [EL] 1080520 80 [E] 1080500 90 [ELPT] 1090620 90 [EL] 1090520 115 [ELPT] 1115620 115 [EL] 1115520 115 [EXLPT] 1115640 140 [ELPT] 1140620 140 [EL] 1140520 150 [ELPT] 1150620 150 [EXLPT] 1150640 175 [ELPT] 1175620 175 [EXLPT] 1175640 200 [ELPT] 1200620 200 [EXLPT] 1200640 225 [ELPT] 1225620 225 [EXLPT] 1225640
