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  1. 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...
  2. 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.
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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.
  8. Fun Times

    Mercruiser 5.0 no power to fuel pump when ignition ON

    Engine off... Purple wire just key on...
  9. 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...
  10. 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...
  11. 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,
  12. 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...
  13. Fun Times

    Mercruiser MPI 5.0L w/ Bravo 3 outdrive not going into gear... lower shift cable is very hard to shift

    Definitely a newer engine model and with the info you've shown thus far appears to show the year right around late 2005 - 07 year range...Probably an 06 year model. If you are able to the see any numbers on the ECM unit white stickers, it ought to show the year at least the ECM was made and...
  14. Fun Times

    Thermostat too dirty

    Nope, you can't put the thermostat in the intake manifold like that as you will have temperature issues of all sorts...It has to go up in the thermostat housing like seen above with the sleeve sitting flusher.... First (on a clean inner base) put the cork gasket inside the housing, then the "too...
  15. Fun Times

    Mercruiser MPI 5.0L w/ Bravo 3 outdrive not going into gear... lower shift cable is very hard to shift

    Yes, it's best to try and know the serial number since its possibly still there for a better starting point of what you have going on there especially if the engine may be a miss match... Try to get photos up to for comparison too. Here's the bravo shift cable routing diagram...The cable needs...
  16. Fun Times

    Is pulling engine mandatory or just convenient or overkill

    Yes, you'd need to pull the engine to replace the whole gimbal housing / transom assembly... If desired as for going with something new and "complete", then the following link may be an option to consider too while keeping the cost down some. https://www.sterndrive.cc/Complete_Transom_Assembly.html
  17. Fun Times

    Help identifying thus Mercury 5hp

    Here's your parts catalog for your 1997 5_HP, MERCURY TMC NA 5 MH engine model number 1005201TK, https://www.mercruiserparts.com/4-5-0a855097-thru-0g710612-1 https://www.ebay.com/sch/i.html?_nkw=17308R02&_sacat=0&_from=R40&_trksid=p4432023.m570.l1313
  18. Fun Times

    Mercruiser alpha 1 gen 2 alarm sounding

    Try disconnecting the 2 wiring harnesses at the Ignition control module mounted on the upper starboard side of the engine exhaust seen in the photo for a good minute or two, carefully make sure the wires are pushed in/seated and clean looking, connect them and go test the boat to see if the horn...
  19. Fun Times

    busted bellows mounting flange

    http://www.ghrkits.com/Pricing/pricing.html ? Also see posts number 4 and 7, https://forums.iboats.com/threads/is-there-a-repair-kit-for-corrosion-on-the-gymbal-housing.775959/#post-5956173
  20. Fun Times

    Mercruiser MPI 5.0L w/ Bravo 3 outdrive not going into gear... lower shift cable is very hard to shift

    From the description of the distributor cap and the cartridge, the year sounds newer than late 90's early 2000's... More like 2005+? What year is the boat? Have an overall photo to share to maybe help ID your setup better for you. The only shift testing on a bravo drive is either with the...
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