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  1. ESGWheel

    Water pump leak?

    Two issues here: You are leaking water into the boat and even though a seemingly small leak the thing about them is they can rapidly become large leaks. Your previous experience is you did not reach 170 on the hose (did not even move in 10 mins) and now within 5 mins you did. This is a clear...
  2. ESGWheel

    Water pump leak?

    Just seeing that you posted 20 mins ago. The answer is DO NOT go out. More to follow.
  3. ESGWheel

    Rev limiter value

    I also have a 5.0 GXi-E along with all the manuals. I found a reference to the Rev limiter but not a value. The stated max RPM that it should be operated is 5K and I know I have gotten to slightly above that without it cutting out. This is based on the dash gauge which I have never checked for...
  4. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    A quick story and then some of my thoughts and my suggestions. I have had 1 experience with a bad coil. Really 2 if you count my oil-fired furnace “coil” that was intermittently failing and blew up my furnace. The first was, as a young and inexperienced mechanic in the 70s, I was working at a...
  5. ESGWheel

    How to adjust Mercruiser 3.0 Carburetor

    I looked thru some of your other posts and found that this 3.0 is a replacement motor for you. You also has some issues with a noise it was making and even rough idling (link). Did that issue get resolved? The reason I am asking is that while your hard start could be fuel related it could also...
  6. ESGWheel

    How to adjust Mercruiser 3.0 Carburetor

    Please provide some more info like engine serial number along with Your normal cold start process What you do to get it running How long has this been going on What was done to the engine (maintenance items etc.) between when it started normal to now. Other relevant history It will assist in...
  7. ESGWheel

    Mercruiser Setting Timing on 3.0L

    Dan, Congrats on your accomplishment! I was looking over this long thread b/c I recalled there was more do and if you go back to post #4 and 7, you will see there is. That includes routine maintenance items as well as tracking down what looks to be a rich running situation. And recall that while...
  8. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    While the engine in the vid has a different configuration, the TKS carb provides the same function and thus is instructive to study it. I took some time to read up on TKS or Turn Key Start carbs. Turn Key Start as a marketing slogan to highlight that it does not require the typical ‘step on the...
  9. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    Now understand the dinner bell Do not know thread sizes but if the fuel line from the pump to the carb is a one piece with threaded fitting on both ends, then can take that line + the gauge to a Hydraulic Hose Repair Shop local to you and explain what you are trying to do. They will hook you...
  10. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    I found this thread looking for a ‘how to’ to install a fuel pressure gauge link. While his situation was ultimately bad compression in one of the cylinders, post # 18 refers to an exhaust shutter (flapper) that may be dislodged restricting exhaust flow which would have the effect of poor top...
  11. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    A lot to take in but wanted to reply quickly before my bedtime limit on posting. Regarding the slang about the dinner bell > I get it was slang. What I was interested in knowing is the “why” folks were gathering. Made up example: Every time I start my boat it makes a large cloud of smoke and...
  12. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    I do not come close to the expertise of others on this forum but thru the few years I have been active I can attest those experts and myself have only one interest > to get you back on the water with a good and safe running boat. So don’t give up on us yet! You do have a head scratcher, and I...
  13. ESGWheel

    2012 3.0L TKS runs great with muffs, but slow on lake...

    Jumping in late on trying to noddle this issue that is perplexing and get the OP back on the water. To help with that below is a summary to date with some items that are perplexing (perhaps only to) me. Bought late last season all was good and ran WOT at 35+ MPH. Did a bunch of maintenance...
  14. ESGWheel

    Help with early 80s mercruiser 140hp

    Quick follow up: if you are planning on maintaining your engine / boat yourself I encourage you to get some basic hand tools and a dwell meter to properly set the points. For old school guys like me that means (at the time) an expense Craftsman Dwell Meter. Fortunately, these days they make a...
  15. ESGWheel

    Help with early 80s mercruiser 140hp

    As you are probably familiar with there are three basic ingredients needed for an engine to run: compression, spark and fuel. Many other items needed, like correct timing but those are the basics. Given the mechanic’s expression of good compression and that the engine starts but sputters out -...
  16. ESGWheel

    Mercruiser Setting Timing on 3.0L

    Hopefully it has been clear to you based on my posts that in addition to guidance I also try to instruct. Said differently it is in my nature to teach. Perhaps you have heard the expression: "Give a man a fish, you feed him for a day; teach a man to fish, you feed him for a lifetime" I know you...
  17. ESGWheel

    Mercruiser Setting Timing on 3.0L

    Yes And to be clear at top dead center on its compression stroke
  18. ESGWheel

    Mercruiser Setting Timing on 3.0L

    Reread posts 41, 42 & 43….
  19. ESGWheel

    Mercruiser Setting Timing on 3.0L

    I will try to answer but not in the order asked. I will start off showing my age with a quote from the past but with an element of modern times. Here it is: I put your comment of “Also, as for the head. I took it to a machine shop today” into the latest AI ChatBot and asked for a translation...
  20. ESGWheel

    Mercruiser Setting Timing on 3.0L

    Dan, Congrats on getting this far, you should be proud! So now for some additional How Tos. 5.1 Flatness > already explained and need to compete. 5.2 Cracks > I will provide a brief explanation but I am suggesting jump to 5.3 first as if an issue with valve sealing and needs to go a machine...
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