1988 Mercury Race Outboard Models Where can I find my serial number? 25XS [RACE] 19049058H 44XS [RACE] 1907905BH 2.4 OS [CL EFI] 1924943BH 2.4 OS [CXL EFI] 1924953BH 2.4 OS [L EFI] 1924942BH 2.4 OS [XL EFI] 1924952BH 2.4 [CL EFI] 1924913BH 2.4 [CXL EFI] 1924923BH 2.4 [L EFI] 1924912BH 2.4 [XL EFI] 1924922BH MODVP [CUST/RACE] 1914912BH MODVP [RACE] 1914917BH SST140 [RACE] 1914915BH XR2 [CUST/RACE] 1920932BH 1920933BH