1987 Mariner Outboard Models Where can I find my serial number? 3.5 [M] 7003207 7003227 8 [ML/ALT] 7008237 8 [ML] 7008227 8 [M] 7008207 9.9 [EL] 7010527 9.9 [E] 7010507 9.9 [ML] 7010227 9.9 [M] 7010207 15 [ML] 7015327 20 [EL] 7020527 20 [E] 7020507 20 [ML] 7020227 25 [EH] 7025557 25 [ELH] 7025577 25 [EL] 7025527 25 [ML] 7025227 25 [M] 7025207 30 [ELO] 7030717 30 [EO] 7030707 40 [ELO] 7040717 40 [ELPTO] 7040737 40 [EO] 7040707 40 [E] 7040507 45 [ELHO] 7045777 45 [ELO] 7045717 45 [ELPTO] 7045727 45 [M] 7045217 50 [ELO] 7050717 50 [ELPTO] 7050727 60 [ELO] 7060717 60 [ELPTO] 7060727 75 [ELO] 7075717 75 [ELPTO] 7075727 90 [ELO] 7090717 90 [ELPTO] 7090727 115 [ELPTO] 7115727 115 [EXLPTO] 7115747 150 [ELPTO] 7150727 220XRI [L] 7220727 220XRI [XL] 7220747