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  1. Fun Times

    VP 4.3 GL-B - Spark issue

    You may want to try checking and/or bypassing the ignition key switch to see if the engine will start/spark. Does your boat setup have a lanyard safety kill switch? Sometimes they go bad and act funny. How are the gauges acting?
  2. Fun Times

    Photo dilemma

    There was one member that was able to link "dropbox" to share an image he was in need of for help but the downside of dropbox is it appears his real name is shown too so if that is a concern to someone, then there are probably better ways out there. https://www.dropbox.com/en_GB/login...
  3. Fun Times

    1975 Mercury 7.5 HP Service/Shop Manual?

    Seems there may be 2 options from Merc to go by... Search each part number on Ebay as there are lots of options it appears. 90-75512 All Models, 1975 thru 1978, Except V-6 models. All 90-86136--1 / 1-393 4 Gnat/90cc Sailpower 4/4.5/7.5/9.8/20/40 All
  4. Fun Times

    350 Mag MPI Thermostat Replacement ?

    Merc does offer a kit,… sometimes with a sleeve sometimes not that I’ve seen… here should be one, https://www.hardin-marine.com/p-27015-160-thermostat-kit-807252q5.aspx Often when they get stuck open, it’s because of debris such as rocks… recall seeing one I thought was welded open.😳
  5. Fun Times

    Mercury 25 EL 0D073154 Operator/Service Manual?

    0D073154 comes up as a 1991 25 [EL] Model number 1025312LD Parts Group: 20 H.P /25 H.P. SEA PRO /MARATHON 25 SUPER 15 Options:Electric start, long shaft (20”/508mm) driveshaft housing. Remote control steering Model style: EL https://www.mercruiserparts.com/20-2-cyl--0a730007-up
  6. Fun Times

    Pretty sure I was sent Gen VI, not Gen V 454

    It appears you have Merc part number 938-8M0115141, https://www.mercruiserparts.com/mercury-mercruiser-938-8m0115141-cyl-head-complete Here’s a list of head fitment for I’ll assume all mercs without studying the list, etc.… yours is about the fifth one up up from the bottom...
  7. Fun Times

    Pretty sure I was sent Gen VI, not Gen V 454

    It’s on the forum side issue wise and we’re unsure of a repair date…The only way to share photos right now is to link an outside photo hosting website.
  8. Fun Times

    Pretty sure I was sent Gen VI, not Gen V 454

    0F012397 = 1993 MERCRUISER TB4, W/PS, TWOPCEX, WORO, GEN-V 7.4L BRAVO model number 474B1103S. This serial number is for the 7.4, not a 454 Mag. https://www.mercruiserparts.com/454-mag-bravo-gen-v-gm-454-v-8-1992-1
  9. Fun Times

    Pretty sure I was sent Gen VI, not Gen V 454

    What Mercruiser serial number/s do you have? https://www.perfprotech.com/blog/boat-and-engine-technical-tips/marine-engines/mercruiser-engines-block-id-codes-big-block-v8-marine-engines
  10. Fun Times

    Serial number gone

    Your serial number comes up as an 1992 15-HP [MH] Model number 1015201MD https://www.mercruiserparts.com/6-0a197112-thru-0d280999
  11. Fun Times

    Spinterogeni per motore L e motore R 92'/93'

    The following is just a bit more detailed engine information to help start out with... 0D840043 = MIE LH-BW-1.5-RWC-5X1 1/4 FLANGE 5.7L CARB model number 3571124FS. https://www.mercruiserparts.com/5-7l-mie-gm-350-v-8-1994-1995-0f025000...
  12. Fun Times

    MerCruiser 4.3L V6 engine block part identification needed

    What year is your engine and what Carburetor model do you have? Are you able to see the part area in question within the following website...
  13. Fun Times

    Site supervisor intervention

    They are aware of the situation but unfortunately due to odd circumstances, no timeline for website server repairs are known...It could be awhile. In the meantime, some members have been able to get a few photos to share when needed via an outside hosting site such as in the following for...
  14. Fun Times

    Retractable Stern Light

    Image search innovative marine retractable stern light. Looks like you can buy parts if needed too from innovative. https://www.innovativelight.com/marine/ An example,
  15. Fun Times

    Sensor 496 HO 2007

    I'm going to go with the possibility the burned-up IAC is what is sounding the warning horn (Beep_Beep in a timed fashion)? Replace the IAC, and carry a new one on board with the tools to replace it as this is a near common issue with this engine model... If the horn doesn't stop after...
  16. Fun Times

    2009 Mercruiser 4.3l engine wiring diagram

    Carb or MPI? Starting in 2007 you won't find much in a normal service manual when it comes to detailed wiring schematics...The following is what you'd find in a general Merc service manual regarding Wiring Diagrams. MerCruiser Color Wiring Diagrams: Large scale, oversized color wiring diagrams...
  17. Fun Times

    Code reader help 4.3 M.P.I.

    No, sorry, that trick won’t work on your 555 ECM… There’s also a rental program on eBay to rent a Diacom so you could check things out for yourself if you don’t want to buy a marine scanner tool like mentioned above...
  18. Fun Times

    Delco est shunt tool

  19. Fun Times

    Mercruiser 350 MAG MPI MIE SKI 0L305632 skipping

    Just a quick reference point in regards to this design cap didn't really start until very late 2002 but considered 03 year model for the Merc marine side...VP too I do believe. The serial number suggests this will be the distributor ignition sensor design...
  20. Fun Times

    Mercruiser 350 MAG MPI MIE SKI 0L305632 skipping

    Are you getting any warning horns associated with the skipping? Any of the other gauges skip as well? Make sure all wiring connection points are clean and tight. Doing this hot or cold? or both? X 2 on timing light testing too. You may want to connect a fuel pressure gauge to the fuel rail...
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