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  1. Scott06

    Carb to MPI problem 2011 Merc 4.3

    It is but lets do some diagnostic work first How about a little more description of the problem ? And what’s your serial number Have you checked your fuel filter contents for any thing but fresh clean gas?
  2. Scott06

    Carb to MPI problem 2011 Merc 4.3

    No MPI is very good. 220 hp on your engine vs the 190 hp carbed model. yes the cap is a common fail point for misfires. Certainly could be other things but if you dont know when it was changed would be a good thing to rule out.
  3. Scott06

    Carb to MPI problem 2011 Merc 4.3

    That is not a carburetor. You have an mpi engine. when was the last time cap and rotor were changed ? Common fail point on these engines is the crab cap.
  4. Scott06

    Carb to MPI problem 2011 Merc 4.3

    Definitely rebuild the one you have. The main part is to make sure you are getting the passages clean. I use a harbor freight ultrasonic cleaner works nice on the rebuilds i have done with it. Thats is whee most carb rebuilds fallshort , need to get passages clean. From your description either...
  5. Scott06

    Steering pin replacement

    Have you priced the oem part? Thats gouging. its not the same part. There are a couple price brackets you will see for these $29-39 , around $100 like this, and the oem which is like $300 Its your boat Your call.
  6. Scott06

    Steering pin replacement

    Would get the steering pin from nuwave marine. you consistently see good comments about this part...
  7. Scott06

    Carb to MPI problem 2011 Merc 4.3

    cliffs high performance and mikes carb parts are both excellent parts and tech resources. mikes has a you tube channel with how to vids https://cliffshighperformance.com/ https://www.carburetor-parts.com/
  8. Scott06

    Overheating

    The rubber tubes on the exhaust system between elbows and down elbows, and wye pipe. Wye pipe does t need to come out to change flaps (shutters), bute piece of them may have fallen down into transom housing . how hot did the engine get? Would keep an eye out for water in oil if engine got hot...
  9. Scott06

    Merc 3.0 Sterndrive Winterizing Question

    if your sea ray has the in console built in cooler like mine- put some af down the cooler drain. it generally traps some water, cracked mine on my first sea ray years ago next spring water was leaking on floor
  10. Scott06

    Merc 3.0 Sterndrive Winterizing Question

    crack open a beer cause this will get to be worse than a oil thread... the cheaper RV marine water system ones are alcohol based and do not have corrosion in inhibitors in them. What marinas doing hundreds of boats will use is PG in a huge tub (100's of gallons) and check the strength pf the...
  11. Scott06

    Broken Skeg Tip...Repairable?

    Depends on what prop you are running. Price some of the higher end stainless and what you paid for the skeg repair is a lot cheaper. Last time i had my SS 4 blade fixed it was just under $300 so pick your poison
  12. Scott06

    Replacement of water circulation pump V6 4.3L

    Are you sure the noise is not from the belt or pulley? I also boat in fresh water and have never had to replace a circulating pump, on boats that have been 33, 25, and now 18 years old. You may want to see if the belt is making the noise or feel the pump for roughness by hand. Would hate to...
  13. Scott06

    Broken Skeg Tip...Repairable?

    I think it is mostly protecting the prop from a strike. I lost a bunch of each blade when my neighbor loaded my old boat on the trailer drive was still down... this was after previously giving the skeg a hair cut... had it been repaired skeg would have had some damage from the ramp but prop...
  14. Scott06

    Tb IV intermittent spark ?$#???

    Safety is for sissies.. electronic components either work or they don’t. If its guaranteed to be functional its no issue. so many of the TB modules are NLA so not much choice.
  15. Scott06

    Tb IV intermittent spark ?$#???

    I am running a used one for the last 8 years on my boat, and bought a used spare. If they list it as working you can try it out when you get it. Either way for $400 for a new one that less work and cost than a delco est You should check the wires for corrosion and resistance since the boat was...
  16. Scott06

    Broken Skeg Tip...Repairable?

    The only reason to repair it is if the prop is larger in diameter than the now shorter skeg... If you bottom out on some thing hard it will lift the back of the boat up and not damage the prop. Had this happen to me as our dock is in a very shallow cove. Idling out in gear outdrive most of way...
  17. Scott06

    Overheating

    No the thermostat would have no bearing on the impeller. Even with thermostat closed the cooling system is constantly flowing cold water to the exhaust system otherwise your manifolds, elbows, and rubber components in the drive and exhaust would melt. So the impeller always has a path to...
  18. Scott06

    Tb IV intermittent spark ?$#???

    Ebay has a bunch of tb4 modules listed for not terrible prices or replace entire TB set up with a delco est
  19. Scott06

    Tb IV intermittent spark ?$#???

    No that means you have a bad ignition module .
  20. Scott06

    Mystery Knock -- Insurance and Warrantee

    So you do not have an engine oil temp gauge just the filter felt hot? Which seems normal. If you had a mechanical issue in engine like you mention it would not be intermittent. let the mechanic pull the drive check gimbal bearing, see if any metal or water is in gear oil take the cap off and...
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