1989 All 1989 Mercury Race-Outboard Models Where can i find my serial number? 44XS [RACE] 1907905GH 2.4 OS [CL EFI] 1924943GH 2.4 OS [CXL EFI] 1924953GH 2.4 OS [L EFI] 1924942GH 2.4 OS [XL EFI] 1924952GH 2.4 [CL EFI] 1924913GH 2.4 [L CARB] 1924911GH 2.4 [L EFI] 1924912GH MODVP [CUST/RACE] 1914912GH MODVP [RACE] 1914917GH SST140 [RACE] 1914915GH