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  1. M

    merc 20 hp 4 stroke carb issue

    Ordered a new carb on amazon for 108 bucks. At this point ive invested far too much time to keep going. :|
  2. M

    merc 20 hp 4 stroke carb issue

    What about the O-ring on my main jet?
  3. M

    merc 20 hp 4 stroke carb issue

    Could something outside the carb like my fuel pump cause this?
  4. M

    merc 20 hp 4 stroke carb issue

    Im almost ready to just buy a new carb.
  5. M

    merc 20 hp 4 stroke carb issue

    Its definitely level. I checked it. There is no metal tab but when upside down i can blow into the fuel inlet and cant get air through. Its not even a slow drip of gas when running its a constant drip.
  6. M

    merc 20 hp 4 stroke carb issue

    It does seal with gravity when i hold it upside down. Needle is brand new and float brand new. It fires right up now and will run but only with the idle up high. It runs better with the choke on. With choke on or off it dumps fuel out the overflow. Seems like it would run the water but id...
  7. M

    merc 20 hp 4 stroke carb issue

    I dont see a way to adjust the float height on this thing either. Im stuck.
  8. M

    merc 20 hp 4 stroke carb issue

    The float needle seat on the right doesnt have a flat groove for a screw driver
  9. M

    merc 20 hp 4 stroke carb issue

    Tried again. No luck. It has to be my float. The motor is running now but fuel still dumping. Is there any way I could of knocked the float level out? This one doesnt seem adjustable. The service manual says replace float if out of spec. This one and the needle are brand new. Theres...
  10. M

    merc 20 hp 4 stroke carb issue

    Thanks for all the help. The “slow jet” was definitely clogged. I cleared it up. It runs much better but still not quite there. Will idle off of choke now and it’s restarting. When i roll to the throttle it bogs down and dies if i do it too fast. If i bring the throttle on slow it will stay...
  11. M

    merc 20 hp 4 stroke carb issue

    Okay progress made tonight. Water pump works great. No issues there. Did the bucket trick. Used a new fuel tank i had with a new line. Still overflows the carb. I can start it with choke on and squirting in carb cleaner. It will run if i turn the idle screw up and it runs at very high...
  12. M

    merc 20 hp 4 stroke carb issue

    Thanks. I did replace that.
  13. M

    Suggestions for decking

    I think ill just cover it for now and then build deck later. I really need storage more than anything.
  14. M

    merc 20 hp 4 stroke carb issue

    Does my gas line have a valve that keeps it pressurized? It always seems primed whem i put it on. I don’t usually even squeeze the pump.
  15. M

    Mercury water pump

    try boats.net Usually they have the parts breakdowns and then you can get the part number.
  16. M

    merc 20 hp 4 stroke carb issue

    carb
  17. M

    merc 20 hp 4 stroke carb issue

    Yeah the one on the fuel hose is always stiff like there's already pressure in the line. I barely ever have to squeeze it.
  18. M

    Suggestions for decking

    Pic
  19. M

    Suggestions for decking

    I bought this Lowe 1652 a few years ago and mostly hunted out of it. It came bare bones so i haven’t really done much to it. I want to add some kind of decking. Carpet or vinyl. I also want to add some storage. I mostly fish out of it now. I dont know much about boats and I have no friends...
  20. M

    merc 20 hp 4 stroke carb issue

    I'm not even pumping the ball. I will take the advice and throw away the muffs. Everything i see online shows that the only cause for overflowing would be the float needle not seating. It looks like its seating, the needle is brand new and the float is set correctly. I'm going to try to set...
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