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  1. Fun Times

    Bravo 1 transom plate

    Yes they both share the same part number and where used description. (Mercruiser 8M0138839 Inner Transom Plate Inner Bravo and Alpha superseded from 8M0114816 Plate Assembly Transom) Though probably not significant changes for what you're doing 'bear in mind that they do mention in the notes...
  2. Fun Times

    2016 Mercruiser 6.2L ECT DTS Axius Cooling System Issue

    Today was a workday with tomorrow off but have plans in the early afternoon to go look at a car as a gift for someone in the family today but lately we've been staying up late like this on Saturday's thinking we're missing out on something in life if we went to bed so early with the day off on...
  3. Fun Times

    2016 Mercruiser 6.2L ECT DTS Axius Cooling System Issue

    Oh boy, that looks fun to get to and add a bonus to that photo, you found the oil cooler too.:eek:🤪😁
  4. Fun Times

    2016 Mercruiser 6.2L ECT DTS Axius Cooling System Issue

    Looking over your parts catalog I located an engine oil cooler like Dubs mentioned in 2023 which is item number 37 below, (and may had gotten confused with the power steering cooler which is usually open flow on the inside), https://www.mercruiserparts.com/bam/subassemblydetail/49503533/28372678...
  5. Fun Times

    Water temp gauge

    Did you physically touch the engine to feel if the engine came up to temp? Your best bet to test the actual temp is to get yourself an affordable Infrared Laser Thermometer gun and point it all around the engine to see what the temperature really is...You can find these temp gun readers just...
  6. Fun Times

    08 350Mag/B3 eng low voltage

    Wow, honestly surprised they couldn’t get it started or figure out why.:unsure: Forgot to mention also check / swap relays plus try tapping on them lightly too to see if you get any engagement.
  7. Fun Times

    Mercruiser 7.4 Suspected Vapor Lock (VL)

    No, pretty much the main reason Mercruiser routes the return line to the VST or fuel filter housing is convenience to keep the engine as independent from boat components. as much as possible to run on its own since a boat builder is separate from an engine manufacturer. One less component to...
  8. Fun Times

    08 350Mag/B3 eng low voltage

    Was the no start condition present while the boat was at the boat service shop? Is your boat digital throttle and shift that uses a push button vs a key switch? If yes, then you probably have a clean power wire / harness that connects to the battery directly and has a fuse that might be...
  9. Fun Times

    08 350Mag/B3 eng low voltage

    To start with the multimeter, check the orange wire off the back of the alternator, and also the two red wires off /at the 50 amp circuit breaker with both engine running and off to note the difference if the alternator is charging… also check all ground wires that everything is clean and...
  10. Fun Times

    Water temp gauge

    Make sure the engine is actually getting up to full operational temperature of your thermostat temp range… if the thermostat is stuck open, the engine may not reach temp and won’t move the gauge up making you think something else is wrong.
  11. Fun Times

    Mercruiser 5.7 MAG MPI Water Pressure Sensor & Oil Pressure Sensor Interchange/Alternatives + 4 in 1 gauge not showing speed and oil pressure

    Check with gauge saver as they tend to list the smart craft gauges...I believe there's another company or 2 out there that repair these gauges as well. Just have to do a deeper online search to find them if i recall seeing that correctly. Gauge save just comes to mind on the quick plus past...
  12. Fun Times

    New Belt 4.3 mercruiser question

    If you happen to have your engine user's manual from new, then the belt routing for your exact model should be in there 'in the maintenance section and ought to be listed in the front table of contents index guide... While not fully able to tell you if routing changed in 2011 or not but the...
  13. Fun Times

    Mercruiser 5.7 MAG MPI Water Pressure Sensor & Oil Pressure Sensor Interchange/Alternatives + 4 in 1 gauge not showing speed and oil pressure

    Confusing as this may be, you'd have to check and see if the pitot pressure sensor is actually present on the boat and connected to the wiring harness which is usually towards the stern of the boat inside.... If the pitot pressure sensor is not connected then you would normally see a fault code...
  14. Fun Times

    temperature on Mercruiser 4.3 LX

    What was the cross over pipe middle part temp reading? I recall seeing mid to near high 230+ Fahrenheit range many times and yes, the threaded parts of the tube seemed a bit higher too...It's the hottest part of the engine when all is normal and that is why they have the heat protected sleeve...
  15. Fun Times

    Mercruiser 5.0 no power to fuel pump when ignition ON

    The choke should be hot when the engine is cranking over to start via the starter post until the oil psi switch builds about 4psi then purple takes over when running...The choke is on the purple/yellow wire in the diagram above.
  16. Fun Times

    Mercruiser 5.0 no power to fuel pump when ignition ON

    Engine off... Purple wire just key on...
  17. Fun Times

    Mercruiser 5.0 no power to fuel pump when ignition ON

    Unless the fuse at the starter has been changed from original size for whatever reason then the amps should be 90 from new... The 50amp breaker is item number 22 while the 90 is (would had been) one of the item numbers 20 https://www.mercruiserparts.com/bam/subassemblydetail/49699178/28177314...
  18. Fun Times

    Mercruiser 5.0 no power to fuel pump when ignition ON

    Do you get 12v at the helm gauges when you turn the key on? Do you have a test light or multimeter handy as well. There should be a 50-amp circuit breaker with a red button up on the engine, also possibly a white 90-amp fuse right at the starter post where the battery cable connects, plus a...
  19. Fun Times

    Prop Shaft "mid bearing" part number help

    ^, plus what are the numbers/letters? manufacturer name on all the props as often there are left and right-hand turning props too... Or follow this quick guide,
  20. Fun Times

    Bravo 2 input shaft won't barely turn but propeller turns fine?

    Is the drive shifted in neutral gear and not engaged forward or reverse... If it's anywhere near starting to engage then it can become really stiff to move. You may need to try and shift it (<which isn't really easy to do though either) to see if it frees up that/and/or remove the back cover...
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