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  1. J

    115 HP Merc won't stay running when cold

    1987 Merc needs about 10 minutes of warm up before it will run under load. If the engine idles (even fast) for only a couple of minutes when I hit the gas then engine will bog down and die. Carbs have been rebuilt. New plugs. No sign of water in the gas.Enrichment valve will feed fuel when...
  2. J

    Intermittent missing at idle

    1987 Mercury 115 HP ELPTO Model 1115727. Motor has developed an intermittent miss at idle speed that leads to the engine quitting. I need to keep the idle speed at 1,000 RPM to keep it running but the miss is very pronounced when it happens. Carbs have been rebuilt and tuned. Plugs (BUHW-2)...
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