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    1973 Merc 500 - Starts, dies on idle after running

    So, I have the 1973 Merc 500 that I have done a lot of work on; rebuilt carbs, replaced all wiring harness and spark plugs/wires, impeller, starter, fuel pump gaskets and lines, added a fuel/water filter/separator and a couple other things I think that don’t come to mind. If left sitting alone...
  2. S

    1973 Merc 500 partial rebuild-carbs, impeller, plug wires, starter-can't get started

    First time boat buyer - believed the guy. The "mid-90s" motor was 1973. Before I did anything the, the motor ran on hose water (not in lake yet), but stalled often. Pulled carbs off and rebuilt. FULL of crud. New filter, new gaskets. I also pulled and rebuilt the plug wires. After I put back...
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