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  1. M

    Mercury Mericrusier 5.7L Carbureted RPM Jump Then Stall

    Well I apologize. After looking closer at things and finding the stock flame arrestor cover the details I provided were wrong. I am attaching a photo with all information
  2. M

    Mercury Mericrusier 5.7L Carbureted RPM Jump Then Stall

    Where do I find the engine serial no.?
  3. M

    Mercury Mericrusier 5.7L Carbureted RPM Jump Then Stall

    Thanks for the replies. Yes I have spark and fuel is present, plus you can smell the gas. Stater valve when pressed fuel comes out. I had the boat in the shop for diagnostics the next day, of course the boat started? They couldn't test under load. The shop flushed the fuel lines, replaced one...
  4. M

    Mercury Mericrusier 5.7L Carbureted RPM Jump Then Stall

    I have a 2002 Crownline BR230 with a 5.7L carbureted Mercury Mericrusier with 400 hrs. Drove it all day until suddenly it would surge in rpms then drop and be fine then a few seconds later do it again. Backing off the throttle then eventually it would stall when trying again and again until it...
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