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  1. Fun Times

    Looking up Stern drive parts by stern drive serial number

    On some websites try adding a 0 in front of the number and your stern drive parts should come up. Serial number 06757836 comes up as model number 01507014 making the stern drive year to be 1984 Service Literature for MERCRUISER MC1 1.50:1...
  2. Fun Times

    Service bulletin and manual verification help

    Look’s like you’d be using Merc service manual revision part number 90-878079R01…, https://greenbayprop.com/878079r01-02-mercury-mariner-outboard-service-repair-manual-135-150-175-200-hp-878079r013 Some info can be found in here including some but not all and any you seem to be looking for...
  3. Fun Times

    Mercruiser 4.3mpi Tach

    Try tapping on the RPM gauge to see if it moves back down to 0 both engine on and off… There should be a engine cylinder selection switch with an arrow on the back side of the gauge…With a small flathead screwdriver, exercise the arrow switch back-and-forth a few times landing on your engine...
  4. Fun Times

    Merc 8.2l guardian seawater pressure fault code 328

    On your model year application the trim position reading may or may not actually be used but generally I believe it would be more to the being used side especially if your dash gauge system uses digital type read outs… If the trim sensor is connected (plugged in) then you could get an...
  5. Fun Times

    1999 7.4L mercruiser fuel pressure regulator crossover part?

    Located another cross reference part number to something you might be able to find in an local auto store…, https://www.rockauto.com/en/parts/skp,SKPR223,fuel+injection+pressure+regulator,6124 Click the info icon inside the link as there are more numbers down low like GM numbers , etc..
  6. Fun Times

    5.0 mpi runs rough when wet

    What year is the boat engine? Engine serial number handy? What area seems to be getting the wettest? Distributor assembly maybe? Is there high humidity in the area while running, etc.?
  7. Fun Times

    Could someone date this engine?

    That 10 in the lower right corner makes the year model 2010. In this case ignore the "2006" year in the first parts catalog below. https://www.crowleymarine.com/mercury-outboard/12586.cfm?mdl=KISLUT&q=1f90423HD https://www.mercruiserparts.com/75-efi-4-stroke-1b366823-thru-2b0949
  8. Fun Times

    Front engine mount wont go low enough to align gimbal bearing

    You’ve already changed the rear motor mounts? What brand/part number did you use? They changed designs so the following may be a guide for you to help out, https://static.perfprotech.com/files/images/mcmServiceBulletin.PDF
  9. Fun Times

    What kind of control box is this?

    What does the whole button design look like… Have a photo? Here should be your whole shifter type...
  10. Fun Times

    Help needed with Tahoe Q8i

    Hi, Welcome to iboats forums… You have an Alpha stern drive? Chances are your shift cables may be out of adjustment or worn out so that as you shift it’s holding the shift ignition interrupt switch on to long and killing the engine… That or you’re actually shifting to slow which can kill the...
  11. Fun Times

    Volvo Penta AQ125/270 overheating raw water not pumping

    The red tank heat exchanger with the radiator cap should have antifreeze inside vs water and the thermostat ought to be in the antifreeze side too… The engine block, thermostat, circulating water pump should be the coolant antifreeze side of the system...
  12. Fun Times

    Volvo Penta AQ125/270 overheating raw water not pumping

    Thinking you may have either a engine Circulation Water Pump issue such as possible worn pump blades inside or other issues of the pump or a broken coolant “thermostat” issue.
  13. Fun Times

    76773A1 flywheel housing same as 12675-c1?

    Thinking to try and help you out better we’ll need your engine info including serial numbers, years etc.. Also I just have to mention here that soliciting for any type of items on iboats forums isn’t permitted per iboats guidelines.😉
  14. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    The hoses are installed in the same correct location as the old…? Sometimes in my experience bravo 3’s have a tendency to develop an seemingly air bubble of sorts between sterndrive and the impeller housing to where it may not pump water out the exhaust… when this happened to me a number of...
  15. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    Odd, your engine serial number 0M663009 suggests the engine Application is an Alpha stern drive so that is what was leading me to say most of the above Conversation… it all still holds the same just with a different location of items mentioned… These impellers are a bit more fragile vs the Alpha...
  16. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    Sorry nope that’s not the right one…you should have an Alpha stern drive and that impeller is for the engine mounted Bravo drive system unless you happen to have an engine mounted water pump which is usually on lower side of the Chances of having but not impossible either.
  17. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    As soon as possible than as with this design while it’s a very hardy type impeller that can last the longest out of all the types used in a marine engine environment, the tips should be either breaking down or starting to melt/ burning up inside and causing wear to the stainless steel housing...
  18. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    How many times did you run it like that? And how long.
  19. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    Happens more often then not so don’t beat yourself down over it I’m just happy we’re all able to help / work together at pinpointing what seemed to be happening all of a sudden. The photo really helped. Happy boating this season.👍
  20. Fun Times

    Mercruiser 5.0 Won’t Reach Operating Temp

    Honestly you have been and you’ll be having to do a new impeller very much sooner then you’d normally need to do.
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