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  1. Fun Times

    96 Mariner 60 ELPTO #OG223557 Help identify electronic module

    Are you sure the serial number is correct or that the engine info is correct? Searching your serial number bring the engine up to be a 1995 MERCURY TRACKER 40 ELO model number 1040312RT on many websites. https://www.mercruiserparts.com/30-jet-0c159200-thru-0g589999...
  2. Fun Times

    Sn lookup help

    I can see where the confusion comes in on this one because as you start to read the parts catalog headlines of what engine sizes fits what HP or engine liter size (2.5 vs 3.0) ((153 vs 181)), the headline shows one numbering system then while searching the actual parts such as the oil pan...
  3. Fun Times

    Mercruiser 5.0 MPI backfiring and wont go over 500 rpm.?

    Sounds like it’s time to try a new distributor, cap and rotor and/or phasing in the distributor timing plus new spark plugs. Do you have a wiring harness connector plugged into the sensor sticking out of the distributor assembly?… If yes, that is your CAM shaft sensor that might be an issue...
  4. Fun Times

    Photo dilemma

    Photo testing,
  5. Fun Times

    Loss of power on VP 5.7GI

    Thinking as a starting point, possibly a fuel tank venting issue going on time wise or maybe the ignition coil is getting a bit too hot for its age or most probable being a fuel injected engine is the water flow cooling portion of the fuel pump assembly has become blocked with debris allowing...
  6. Fun Times

    2006 Monterey Boat with a 4.3L Mercruiser TKS Engine S/N 0w354897 Mysterious Loss of Power

    ?, Did you check over the boat and open the fill cap, etc. before or after running the boat today? As it seems thus far, ‘The engine might be running correctly vs all the symptoms mentioned throughout this topic…. If it seems to hold running good past the time period, then maybe something was...
  7. Fun Times

    2006 Monterey Boat with a 4.3L Mercruiser TKS Engine S/N 0w354897 Mysterious Loss of Power

    With temporarily installing a portable fuel tank you're separating the boat from the engine to help narrow down if you should be working on the boats fuel system from say the hoes connection fitting at the fuel separating fuel filter base assembly back to the fuel tank or work further upstream...
  8. Fun Times

    2006 Monterey Boat with a 4.3L Mercruiser TKS Engine S/N 0w354897 Mysterious Loss of Power

    Has the fuel tank vent system been checked? Confirmed air flow without blockage, vent hose routed correctly, etc.? If you haven’t already.. you could try opening the boats fuel filler cap to see if you get a vent and the boat runs normally again. Also next time out water testing, have a...
  9. Fun Times

    Mercruiser 5.0 Mpi issue

    Yes, I have taken notice of that both here and on a couple other boating forums as well if I recall back correctly and actually thought of you when I recently re-saw some diagnostic type information regarding this cap/rotor design. You may have seen it already but if not, see page 14 in the...
  10. Fun Times

    2016 Merc 8.2 low voltage drop Kills engine

    You may want to ensure that the battery switches aren't having any connection type issues at the wiring and that the switches are positively switching/clicking into place of 1 or 2 or All and not losing contact to the wiring thus supplying proper power voltage and not having an odd disconnecting...
  11. Fun Times

    Mercury Demand, Demand Linear, Demand Guardian

    Hey AD, have you had a chance to see documentation from Merc regarding adaptive speed control propping starting on page 4 of 11, https://holesbaymarine.co.uk/catalog/media/F53DEL3GOJSW4Y3INVQXE2LOMUXW2ZLENFQS6YTNMUXUOQKZIRBVQQSRI5JE6RCFJVBFER2SJ5CUWVCTG5DUCMSRFZYGIZQ...
  12. Fun Times

    Supposed “2010 mercury 25hp tiller”

    Here’s a guide to help locate the other serial number location, https://www.perfprotech.com/blog/marine-outboard-motors/how-to-find-your-mercury-marine-outboard-motor-serial-number-number
  13. Fun Times

    Mercruiser 5.0 Mpi issue

    Over the years of reading threads on boating forums regarding this design cap and rotor, it had been reported to where there had been roughly about sixish incidents as to where the rotor (and/or cap) didn’t sit down properly leaving it (one of them ) cockeyed and causing odd running issues...
  14. Fun Times

    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    ^ Gotcha, thanks... being an 06 engine model year, there doesn’t really seem to be to many possible known issues from that era for symptoms like that… mostly spark plug issues and distributor cap and rotor type issues. Another thought would be to ensure the gm crankshaft reluctor ring is of the...
  15. Fun Times

    1999 Mercury 50hp Hub kit: HELP

    The engine sizes that are listed on the box (Charts) or in the solid hub link by Faztbullet is more for fitment to the gear housing type/size, exhaust flow, prop shaft sizes, and other things that will work together vs full prop type/design... < In the theory of the list is almost a false...
  16. Fun Times

    Mercruiser 350MAG MPI 5.7L with Bravo 1 cutting off when put in gear

    What year? Engine serial number is? Kind of sounds like you ought try checking fuel pressure… also try cleaning the throttle body, throttle butterfly plate and Idle Air Control valve (IAC) and possibly the iac muffler, if applicable. That or miss adjusted valves or tulip valves, etc.. Also...
  17. Fun Times

    Help identify 5.7 longblock serial#

    If the new block is from Mercruiser the number 316308 seems to short and/or missing a letter either first or second depending on its true age. If the block is remanufactured, then it may start with a 9 or letter G or 1G. Usually reads something like this...
  18. Fun Times

    Mercruiser Prop Hardware question?

    Seems you have now the newer style flo torq 2 hub kit with a different breakaway design if hitting something just right vs maybe a drive shaft or something worse.... They've made a few versions over the years for different scenarios and yep, we're getting old now. :whistle: :D Boat part number...
  19. Fun Times

    Help identify 5.7 longblock serial#

    Unfortunately posting photos isn't really working well at the moment and you should see a banner type notice at the top of the forum page with a little note regarding the situation. What is the full number of the serial number you found near the starter? Might be easier to just type it out so...
  20. Fun Times

    5.7gs temp gauge wiring

    One other thought is how sure are you the engine is actually getting up to full temperature? If the thermostat is stuck open say due to debris than more often than not the temp gauge won't go up much at all especially if the gauge starts at say 100 degrees... May want to verify the temp is...
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