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  1. C

    loss of power over 3500 RPMS FYI

    i believe its a corrosion issue or maybe ethenal gas that causes the valve to fail, i have found this issue on several boats over 25 years old. note: i also change the feed hose from the valve ot the fuel pump just on the off chance that the hose is collapsing. each time i was able to look...
  2. C

    loss of power over 3500 RPMS FYI

    i have come across this issue about 4 times this summer and wanted to post it here in case others are experiencing this issue. boats would run great at idle and under load but when you climb over 3500 the engine would bogg down and stall. and may keep running if you pull back on the throttle...
  3. C

    Fuel pump not running - 2004 mercruiser 5.0 throttle body

    what year? serial #?
  4. C

    this will be fine, right?

    just to be clear, this is posted as a joke, this is a job i was called to when the engine hydrolocked
  5. C

    What engine do I have

    if you have the capability to pull the heads off and change the gaskets, you can get an engine from an astrovan or the like. pop out the expansion plugs and put the brass ones in . reinstalling the heads on the 4.3 is easy. no valve andjustment needed. set and go. you can probably get this...
  6. C

    this will be fine, right?

  7. C

    What engine do I have

    not exactly, so you need to have an engine with marine gaskets, brass expansion plugs and a marine cam ( truck cam will work as well) the vorec engine was introduced in the mid 90's and is a better engine. also it has the balance shaft which gives it a smoother idle. the reason i talked about...
  8. C

    What engine do I have

    if you buy a replacement engine that is not the same vintage, the timing cover and oil pan is different for engines with a balance shaft.
  9. C

    6.2 Mercruiser won't pump water

    try running the hose into the water intake line that connects to the seawater pump and se where it flows to.
  10. C

    6.2 Mercruiser won't pump water

    are you sure the water comes through the drive and not a intake on the hull bottom?
  11. C

    What engine do I have

    most likely a 4.3 ltr non vortec, non balance shaft engine. you can put any 4.3 back in it as long as you use marine gaskets, brass expansion plugs and marine or truck cam. the timing cover and oil pan wont fit either. if your going new, get a long block with tin or if your going used...
  12. C

    2010 350 Mag MPI bravo 3 gaurdian mode issue. 5% power

    thanks, ill look into that. do you know what it looks like or where its located?
  13. C

    2010 350 Mag MPI bravo 3 gaurdian mode issue. 5% power

    anone have this problem?
  14. C

    Mercruiser Gen III Cool Fuel Module Replacement

    per the service bulletin you need Replacement kits Complete Gen III module with pumps and filter 8M0047215 if you have 3 hoses coming from the supply hose coming out of the supply hose, you also need Three bib hose kit 865208T02 good news is that the new pump kit has a drain plug that is...
  15. C

    2010 350 Mag MPI bravo 3 gaurdian mode issue. 5% power

    when the thottle is pulled back to Neutral, the available power goes back to 100% on the scanner
  16. C

    2010 350 Mag MPI bravo 3 gaurdian mode issue. 5% power

    nobody?
  17. C

    Mercruiser Gen III Cool Fuel Module Replacement

    the link boat tech listed shows the different revised kits. they discontinued the one you have becuse of a problem with the cooling ability. they revised the module. you can cross reference your modul based on the serial # of your engine .. once you have that part #, you can find the correct...
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    Mercruiser Gen III Cool Fuel Module Replacement

    fyi when replacing the module with the new one, the hoses that cool it will not be long enough to connect to thenew barbed fittings so you will need a length of 1/2" heater hose and 2 connectors.
  19. C

    2010 350 Mag MPI bravo 3 gaurdian mode issue. 5% power

    hi all, i have a boat that is going into gaurdian mode under load over 3000rpm, then when you pull back on the throttle, it goes back to 100%. the rinda says gaurdian cause: exhaust co. now i do not know if it is actually CO or that is as much of the word that would fit on the screen. there are...
  20. C

    bravo 3 outdrive/ water in bellows after transom service

    hey Guys, i got a problem. last spring i did an overhaul to a bravo set up and had to replace the gimbal bell housing due to a previous hack cutting into it and compromising the integrity( thats a whole different story). anyways, i drained the drive this fall and found water in the drive so i...
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