2010 Mercury Outboard Models Where can I find my serial number? 25 [EL] 1025312FL 30EFI [ELPT 4] 1A30413KZ 30EFI [ELPT/BF 4] 1E30453KZ 40EFI [E 4] 1A40303KZ 50 [ELPTO] 1050412FF 90 [ELPTO] 1090412FF 90 [EXLPTO] 1090422FF 90 [JET 65] 1090472FF 150DFI [L PRO XS] 1150P73HY 150DFI [XL PRO XS] 1150P83HY 150EFI [L] 1150413HF 150EFI [XL] 1150423HF 225DFI [L PRO XS] 1226P73ED 250 [L 4] 1251V13ED 250 [XL 4] 1251V23ED 250DFI [L PRO XS] 1251P73ED