Search results

  1. E

    Mercury 850 won't start

    Hello. I have a Mercury 850 that is causing me to actually lose sleep stemming from my frustration. Two years ago I acquired this engine and found it to have a damaged piston/cylinder. Eager to get it going again, I sent the block off to a reputable shop in FL to have it overhauled which came...
  2. E

    1974 Mercury 850 won't start when cold

    Hi - I have a Mercury 850 that was recently overhauled; Last summer I sent the block off to a shop to have it "redone" (bearings, rings, etc.) and the rest of the engine I overhauled myself last spring. I rebuilt the carbs, fuel pump, and added a new switchbox, wire set, rectifier and installed...
  3. E

    rebuild wiring harness Mercury 850

    Hi - I have a 1974 Mercury 850. I recently had the entire block overhauled (new pistons, rings, bearings, etc.). I also bought a new CDI switchbox, rectifier, plugs and plug wires. The boat fired right up and idled for about 8 hours with no problems at all. I dropped it in the water last...
Top