1988 Mercury Outboard Models Where can I find my serial number? 2.2 [MH] 1002201BK 4 [MH] 1004201BK 4 [MLH] 1004211BK 1004216BK 5 [MH] 1005201BK 5 [MLH] 1005211BK 6 [MH] 1006201BC 1006201BD 6 [MLH] 1006211BC 1006211BD 8 [MH] 1008201BC 1008201BD 8 [MLH] 1008211BC 1008211BD 9.9 [EH] 1010301BD 9.9 [ELH] 1010311BD 9.9 [ELRC] 1010312BD 9.9 [MH] 1010201BC 1010201BD 9.9 [MLH] 1010211BC 1010211BD 1010216BD 9.9 [MXLH] 1010226BD D28 [D] 1001144BJ R21 [R] 1001170BJ R28 [R] 1001174BJ R28S [R] 1001183BJ RL21 [RL] 1001171BJ RX28 [RX] 1001176BJ T21 [T] 1001110BJ T28 [T] 1001112BJ T28S [T] 1001121BJ 15 [EH] 1015301BD 15 [ELH] 1015311BD 15 [MH] 1015201BD 15 [MLH] 1015211BD 20 [MH] 1020201BC 1020201BD 20 [MLH] 1020211BC 1020211BD 25 [EH] 1025301BD 25 [ELH] 1025311BD 25 [EL] 1025312BC 1025312BD 25 [E] 1025302BC 1025302BD 25 [MH] 1025201BC 1025201BD 25 [MLH] 1025211BC 1025211BD 35 [ELO] 1035312BC 1035312BD 35 [ELPTO] 1035412BC 1035412BD 35 [EO] 1035302BC 1035302BD 35 [MH/ALT] 1035203BC 1035203BD 35 [MLH/ALT] 1035213BC 1035213BD 45 [ELHO] 1045311BC 45 [ELHPTO] 1045411BC 1045411BD 45 [ELO] 1045312BC 1045312BD 45 [ELPTO] 1045412BC 1045412BD 45 [MH/ALT] 1045203BD 45 [MLH/ALT] 1045213BD 50 [ELO] 1050312BC 1050312BD 50 [ELPTO] 1050412BC 1050412BD 60 [ELO] 1060312BC 1060312BD 60 [ELPTO] 1060412BC 1060412BD 70 [ELHPTO] 1070411BD 70 [ELO] 1070312BC 1070312BD 70 [ELPTO] 1070412BC 1070412BD 80 [ELO] 1080312BD 80 [ELPTO] 1080412BC 1080412BD 90 [ELO] 1090312BD 90 [ELPTO] 1090412BC 1090412BD 100 [ELO] 1100312BD 100 [ELPTO] 1100412BC 1100412BD 100 [EXLPTO] 1100422BD 115 [ELPTO] 1115452BC 1115452BD 115 [EXLPTO] 1115462BD 135 [L] 1135412BD 135 [XL] 1135422BD 150 [L] 1150412BD 150 [XL] 1150422BD 150XR4 [ELPTO] 1150453BD 175 [L] 1175412BD 175 [XL] 1175422BD 200 [L] 1200412BD 200 [XL] 1200422BD 220XRI [ELPTO] 1220412BD 220XRI [EXLPTO] 1220422BD