Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 86Get this manual
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aDigital Diagnostic Terminal (91-823686A2)2000 and Prior Software Cartridge (91-8226084 or 5 or 6) 2001 and Up Software Cartridge (91-880118)2000 and Prior DDT Reference Manual (90-8251