1983 Mercury Outboard Models Where can I find my serial number? 3.5 [ML] 1003223 3.5 [M] 1003203 4.5 [ML] 1005223 4.5 [M] 1005203 7.5 [EL] 1007523 7.5 [E] 1007503 7.5 [ML] 1007223 7.5 [M] 1007203 9.8 [EL] 1010523 9.8 [E] 1010503 9.8 [ML] 1010223 9.8 [M] 1010203 TH [D] 1001303 TH [R] 1001403 TH [T] 1001203 TH+ [D] 1001603 TH+ [R] 1001703 TH+ [T] 1001503 TH2 [R] 1001903 TH2 [T] 1001803 18 [EL] 1018523 18 [E] 1018503 18 [ML] 1018223 18 [M] 1018203 25 [EL] 1025523 25 [E] 1025503 25 [ML] 1025223 25 [M] 1025203 40 [EH] 1040533 40 [ELH] 1040553 40 [EL] 1040523 40 [E] 1040503 40 [ML] 1040223 40 [MXLH] 1040243 40 [M] 1040203 50 [EH] 1050533 50 [ELH] 1050553 50 [ELPT] 1050623 50 [EL] 1050523 50 [E] 1050503 50 [ML] 1050223 50 [MXLH] 1050243 50 [M] 1050203 70 [ELPT] 1070623 70 [EL] 1070523 70 [E] 1070503 80 [ELPT] 1080623 80 [EL] 1080523 90 [ELPT] 1090623 90 [EL] 1090523 115 [ELPT] 1115623 115 [EXLPT] 1115643 150 [ELPT] 1150623 150 [EXLPT] 1150643 200 [ELPT] 1200623 200 [EXLPT] 1200643 300 [ELPT] 1300623 300 [EXLPT] 1300643
