1979 Mariner Outboard Models Where can I find my serial number? 2 [M] 7002209 9.9 [EL] 7010529 9.9 [E] 7010509 9.9 [ML] 7010229 9.9 [M] 7010209 15 [EL] 7015529 70 [EL] 7070529 70 [E] 7070509 80 [ELPT] 7080629 80 [EL] 7080529 90 [ELPT] 7090629 90 [EL] 7090529 115 [ELPT] 7115629 115 [EL] 7115529 140 7140529 140 [ELPT] 7140629 150 [ELPT] 7150629 175 [ELPT] 7175629 175 [EXLPT] 7175649