1987 Mercury Outboard Models Where can I find my serial number? 4 [ML] 1004137 1004227 4 [M] 1004207 6 [ML] 1006227 6 [M] 1006207 8 [ML] 1008227 8 [M] 1008207 9.9 [EL] 1010537 9.9 [EXL] 1010187 9.9 [ML] 1010227 9.9 [MXL] 1010157 9.9 [M] 1010207 TH+ [RXL] 1001737 TH2 [RL] 1001927 TH2 [T] 1001807 20 [EL] 1020527 20 [E] 1020507 20 [ML] 1020227 20 [M] 1020207 25 [EH] 1025557 25 [ELH] 1025577 25 [EL] 1025527 25 [E] 1025507 25 [ML] 1025227 25 [M] 1025207 35 [ELO] 1035717 35 [ELPTO] 1035727 35 [EO] 1035707 35 [MH] 1035207 35 [MLH] 1035227 45 [EH] 1045757 45 [ELHO] 1045777 45 [ELO] 1045717 45 [ELPTO] 1045727 45 [MH/ALT] 1045217 45 [MLH/ALT] 1045237 50 [ELO] 1050717 50 [ELPTO] 1050727 50 [EO] 1050707 60 [ELO] 1060717 1060797 60 [ELPTO] 1060727 60 [EO] 1060707 70 [ELO] 1070717 70 [ELPTO] 1070727 80 [ELO] 1080717 80 [ELPTO] 1080727 90 [ELO] 1090717 90 [ELPTO] 1090727 1091727 115 [ELPTO] 1115727 115 [EXLPTO] 1115747 150XR2 [ELPTO] 1150767 200 [ELPTO] 1200727 200 [EXLPTO] 1200747 220XRI [ELPTO] 1220727 220XRI [EXLPTO] 1220747 3.4L [ELPT] 1300627 3.4L [EXLPT] 1300647