1978 Mercury Outboard Models Where can I find my serial number? 4 [ML] 1004228 4 [M] 1004208 4.5 [ML] 1005228 4.5 [M] 1005208 7.5 [EL] 1007528 7.5 [E] 1007508 7.5 [ML] 1007228 7.5 [M] 1007208 9.8 [EL] 1010528 9.8 [E] 1010508 9.8 [ML] 1010228 9.8 [M] 1010208 TH [D] 1001308 TH [R] 1001408 TH [T] 1001208 20 [EL] 1020528 20 [E] 1020508 20 [ML] 1020228 20 [M] 1020208 40 [EL] 1040528 40 [E] 1040508 40 [ML] 1040228 40 [M] 1040208 50 [EL] 1050528 50 [E] 1050508 50 [ML] 1050228 50 [M] 1050208 70 [EL] 1070528 70 [E] 1070508 80 [EL] 1080528 80 [E] 1080508 90 [ELPT] 1090628 90 [EL] 1090528 115 [ELPT] 1115628 115 [EL] 1115528 115 [EXLPT] 1115648 140 [ELPT] 1140628 140 [EL] 1140528 150 [ELPT] 1150628 150 [EXLPT] 1150648 150 [XS] 1150538 175 [ELPT] 1175628 175 [EXLPT] 1175648 200 [ELPT] 1200628 200 [EXLPT] 1200648
