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First year of 502 mag EFI

Gimme Fuel

Well-known member
1993 was first year Merc made the 502 EFI. 93-96 was VST fuel system with MEFI1, 97-98 later was Cool Fuel system with MEFI1, 99-up was cool fuel with MEFI 3.

V-belt accessory drives until 1998 then went serpentine.