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  1. Fun Times

    Engine help

    0L062212 comes up as an MERCRUISER 5.0L ALPHA (GEN +) Model number 4M11025LS.... MCM = Mercruiser Marine. Mercruiser engine service manual is hard to find right now to "buy" online but it's Merc part number 90-861327T01. For the stern drive search online 'Mercruiser service manual number 14'...
  2. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    This happens somewhat often on these designed HVS, flat distributor cap, rotor assemblies keeping the engine from starting or running correctly. Check the rotor to ensure it seated properly too...(Not sitting cockeyed) Most likely the issue, good luck.
  3. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    What does the oil dip stick level read? Is there now maybe water in the oil?
  4. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    Unfortunately it seems maybe your fuel gauge doesn't seem very accurate because it starts off at 10 or 11 psi then jumps to only 40psi then settles at 32 psi which may or may not indicate you are missing out on a 10ish psi reading. :( Does/did the gauge start off at 0 psi for any of the...
  5. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    The trim shouldn't with what I believe your ECM to be...That mentioned there are some that have claimed a failed trim system in the up position did keep engines from starting on newer engine models of your serial ranges. Does any of your normal trim gauges still work up at the helm? Whether it...
  6. Fun Times

    Frozen and busted blocks in Texas

    Probably should have but I almost started a reminder thread saying something to the affect that I hope many people went out (or go out) and drained their engines and exhaust systems in those hard hit areas/states.:( Is this the first possible reported 1 here? Cracked Block??? :(
  7. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    Have you tried opening up the throttle say 1/4 to 100% while cranking to see if it's a lack of air.
  8. Fun Times

    ECM question

    Since it's been often mentioned Mercruiser generally tends to set up the ECM factory calibrations a bit to the richer side of the fuel mapping curves, it's possible your engine may work with the original set ECM but without having someone that's either an professional ecm engine tuner or...
  9. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    Bear in mind a low engine compression situation could cause an almost no start condition with backfire type effects. Maybe the spark plugs are wet and/or there is water in the fuel system after the rain. Distributor assembly is/was dry inside? Any signs of water on the ignition coil?/General...
  10. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    Maybe a video of the engine trying to start may help some too. Maybe try using a timing light at each spark plug wire and coil wire to see if you have continuous in sequence spark.
  11. Fun Times

    Mercruiser 5.0 MPI 2013. Crank but no start.

    To try and get a better idea here, 'The engine tries to start with maybe some sort of backfire sound involved as well too Maybe? It might be time to check the internal engine components with a compression test and cylinder leak-down test. EDIT: Did you replace the fuel regulator on top of the...
  12. Fun Times

    correct ex flappers

    Yes this would be the correct one to buy as you do have the round design in the Y-Pipe after re-looking over the photos better/closer....Sometimes when the hole starts to wear out it can form a different view perspective which i thought I seeing a square design on one side...But upon thinking...
  13. Fun Times

    correct ex flappers

    ^ That info mentioned, Being you have an 1995 boat, the Exhaust Manifold(One Piece) Exhaust System(Use With One Piece Manifold) system was used between 1996 -1998ish... Exhaust System(Use With Two Piece Manifold) https://www.mercruiserparts.com/4-3lx-gen--2-bbl-gm-262-v-6-1996-1-1...
  14. Fun Times

    correct ex flappers

    https://bpi.ebasicpower.com/search_2/show.php?q=Y+Pipe+Hardware+flapper+water+shutter+mercruiser MER807166A2 $64.95...
  15. Fun Times

    5.7Gi-F Updates with some lessons learned.

    Yes it's important to have the blue cap on tight and not damaged in anyway or it will suck air and burn up the impeller. This should be a habit every boater should do in my opinion every time out....It helps let you get to know the whole operating system. (y)
  16. Fun Times

    Help with raw water hose ID 2006 VP 5.7 Gi-F

    Should be item number 19 (part description HOSE 1 1/2"), http://www.volvopentastore.com/Seawater-Pump-And-Hoses/dm/cart_id.320985009--session_id.231344686--store_id.366--view_id.787726...
  17. Fun Times

    2017 115 4 Stroke Mercury outboard

    To help see what parts design components your engine may have as there seems to be a few, Would you happen to have your engine serial number handy?
  18. Fun Times

    Is my 77 Inline 6, 250 CID, 165 HP a GMC or a GM Chevy

    The following link might contain some info too regarding a GM engine and your Marine engine by Mercruiser, Chapter Six.PDF (wvu.edu)
  19. Fun Times

    Correct bottom gasket for impeller kit?

    Just noticed the Amazon link posted above says: "The updated metal gasket replaces older version. VERY IMPORTANT!" I think I recall one other member mentioning this too in the past but not positive on that. Maybe either @Yegboats or @muc happen to of seen a parts bulletin lately regarding the...
  20. Fun Times

    2011 New 3.0 MFI with no spark mystery

    If this swap starts the engine then the issue may be item number 6 though typically a failed pickup coil doesn't set off a warning horn fault code that I recall, https://www.mercruiserparts.com/bam/subassembly/30916/13809/50 Search online testing gm pickup coil for many ways including how to...
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