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  1. Fun Times

    Mercruiser 5.0 MPI

    just to confirm with "full of water"... Was the inside boat full of water submerging the engine? or just the internal engine components like oil pan, etc. ? What was found that added the water....The reason asked, Maybe the ECM is full of water too.
  2. Fun Times

    Drain Plugs for 1999 Mercruiser 4.3 Thunderbolt 6 cyl

    Hard to see in the photo and your engine design/year model, past service work situations may vary some here 'But the parts catalog diagram suggests there'd be a drain plug mounted to / on the Big water hose near the bottom part of the "U" between the thermostat housing and circulating water pump...
  3. Fun Times

    Alarm Going Off for Mercruiser 350 Mag MPI

    Or the lower cost way to help monitor either MPI codes / basic problem descriptions would be buying / installing certain Smart Craft gauges or Merc Mobile Vessel view ran by your iPhone, etc..,< Depending on year of MPI engine model.
  4. Fun Times

    Alarm Going Off for Mercruiser 350 Mag MPI

    Check your ignition power sources/wiring for loose connections starting at the key switch as it may be turning off and on the ignition randomly which is usually a one beep reset mode and if so, it wouldn’t show a code on the scanner tool…But would drop RPM.
  5. Fun Times

    Mercruiser 8.2 ECT Water Pressure Sensor Location

    That photo looks like the water psi sensor to me as well.
  6. Fun Times

    IAC whistle ??? Merc 7.4L MPI

    If you haven’t, maybe try cleaning the throttle plates of the body….Both sides…Also I recall you’ve recently readjusted the throttle cables, maybe try aren’t in a proper position creating a whistle while the air moves across the plates…..Also I recall some Merc big blocks EFI’s had a small hole...
  7. Fun Times

    Mercruiser 7.4L MPI Throttle Adjustment ???

    Depends on the type of cable and shifter you have on your boat...Some may have adjustments at both ends but most standard Mercruiser cables and shifters only adjust at the engine side. Also consider that (though the adjustment is very small/slight) the TPS sensor isn't seated/"Turned"/Installed...
  8. Fun Times

    Temperature gauge issues? Can't get a temp reading?

    In your case with the things you've tested and done thus far seems to leave that there's going to be about a 95+% chance the thermostat is stuck open...Usually the thermostat is stuck open with debris such as small rocks, etcetera...It's time inspect the thermostat itself as a stuck open...
  9. Fun Times

    Mercruiser Identification

    Comes up as an 1987/88 MERCRUISER MAGNUM W/ PS 350 ALPHA Model number 4350100AS..., https://www.mercruiserparts.com/200-2-bbl-gm-305-v-8-1987-0b525982 https://www.crowleymarine.com/mercury-outboard/1014.cfm?mdl=THBJ5X&q=4350100AS
  10. Fun Times

    Parts information

    The model number should read more like H1208F92C which makes the engine a 1992 FORCE, 120-HP...Here's a parts guide for your 120_HP, https://www.perfprotech.com/mercury-marine-parts-catalog/model/06/4810/120%20H.P.%20(1990-1994)/0e000001-thru-0e093699 Being a Force engine, the serial number...
  11. Fun Times

    Volvo Penta info needed.

    To help ease that uncertainty of is that is the right part vs what you know you have, You can usually take the part number and do an online image search and/or run the part number through EBay and usually you may find an actual photo of the part to help compare it too before ordering it from...
  12. Fun Times

    Volvo Penta info needed.

    DP_D1 gear housing parts...Start at item number 39 +, http://www.volvopentastore.com/Lower-Gear-Unit/dm/cart_id.008429083--session_id.105389906--store_id.366--view_id.772659 All DP_D1 parts...
  13. Fun Times

    How to remove two little screws rusted on Ig Module

    Seems it was found a few years back that these screws from Merc are no longer available but the alternative may be form AC-Delco part number 10469668, https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2047675.m570.l1313&_nkw=10469668&_sacat=0...
  14. Fun Times

    Mercruiser 4.3 Oil Pan Drain Fitting Size

    Buy both sizes listed / mentioned and you should be good when ready. ;) https://www.boatinfo.no/lib/bulletins.html#mercruiser-service-2003_05 8 10-809981 SCREW, Drain (12MM) ((M12 x 1.75mm)) NLA = Aluminum 10 10-49956 SCREW, Drain (1/2-20) ACT = Stamped Steel...
  15. Fun Times

    Mercruiser 4.3 Oil Pan Drain Fitting Size

    Your picture seems different than the one i located...To be safe in searching, what is your serial number?
  16. Fun Times

    Mercarb 2bbl - Accelerator pump A and B - interchangeable?

    Sorry but unfortunately you'll need the correct design acceleration pump as there is also a matched up size difference within the acceleration part of the venturi discharge holes which will affect overall acceleration performance. Hover the arrow mouse cursor over the "notes" of item number 12...
  17. Fun Times

    Mercruiser 4.3 Oil Pan Drain Fitting Size

    What item # is leaking,
  18. Fun Times

    Mercury 7.5 year ?

    Yes it is...0A106386 ='s https://www.mercruiserparts.com/7-5-5206550-up MERCURY 1985 7.5 (M) Model # 1007205
  19. Fun Times

    2008 4.3 ltr mercruiser overheating alarm

    You're welcome...(sort of an iboats forums exclusive with this one ;) )...Please come back and let us know if or when it comes back up like this....Maybe keep track of engine hours, etc...Thanks and good luck. Sharing a recent private message regarding the same subject,
  20. Fun Times

    5.7 EFI won’t turn over

    What engine model/year?
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