1. Announcement:
    ANNOUNCEMENTS- READ BEFORE POSTING- UPDATED 12/30/2023
    EuropeanAM (Mercury 3L/4 Stroke/Verado Moderator)
    01-11-2008
    Views:
    911

BBC Boards: Mercury - 3 Liter & 3 Liter High Performance

For discussions related to 3L motors (including XS and ProXS)

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  1.   Sticky Threads  

  2. Exclamation Sticky Thread Sticky: FAQ - COMMONLY ASKED/USED POSTS (Look here first): Updated 04/2024

    Started by EuropeanAM, 01-25-2010 10:49 AM
    commonly asked, commonly used, efi, mercury faq, mercury question, optimax
    • Replies: 0
    • Views: 161,389
    EuropeanAM
    01-25-2010, 10:49 AM Go to last post

  3. Sticky Thread Sticky: SMARTCRAFT Options (Checked 11/23)

    Started by 06 SB, 04-08-2018 08:22 PM
    4 Pages •
    1 2 3 ... 4
    11 Attachment(s)
    • Replies: 77
    • Views: 75,549
    EuropeanAM
    10-07-2022, 12:27 PM Go to last post

  4. Thumbs Up Sticky Thread Sticky: If you want to order or price Mercury Engine Parts or Accessories...

    Started by Rhonda, 04-23-2010 09:32 AM
    mercury outboard, mercury parts, mercury parts express, mercury parts lookup, parts
    • Replies: 2
    • Views: 57,307
    EuropeanAM
    10-13-2016, 01:11 PM Go to last post

  5. Thumbs Up Sticky Thread Sticky: Your Patience and Understanding is Appreciated! Updated 11/2/2023

    Started by EuropeanAM, 04-02-2010 08:30 AM
    2 Pages •
    1 2
    • Replies: 31
    • Views: 46,994
    Nikon Man
    04-14-2021, 02:31 AM Go to last post

  6. Lightbulb Sticky Thread Sticky: INTEGRITY Injection (by European Marine) offers Injector Service and Calibration!

    Started by EuropeanAM, 12-22-2010 12:13 PM
    fuel rails, injector calibration, injector cleaning, injector service, mercury, mercury direct injector, mercury fuel injector, optimax injectors
    • Replies: 18
    • Views: 38,454
    EuropeanAM
    01-05-2016, 03:59 AM Go to last post

  7. Exclamation Sticky Thread Sticky: Please Review the Forum Announcements BEFORE Posting and follow. Thanks!

    Started by EuropeanAM, 08-23-2018 10:51 AM
    • Replies: 1
    • Views: 18,633
    fishnmusic
    04-23-2021, 07:27 PM Go to last post

  8. Exclamation Sticky Thread Sticky: Boat just WON'T PERFORM with a 200+hp Engine: WHY?

    Started by EuropeanAM, 10-05-2022 01:03 PM
    • Replies: 3
    • Views: 2,270
    Checkmate1988
    07-20-2023, 12:32 PM Go to last post

  9.   Normal Threads  

  1. Oil, Battery, Spark Plugs, Fuel and Fuel Additive Recommendations Updated 1/16/2024

    Started by EuropeanAM, 08-08-2008 12:39 AM
    10 Pages •
    1 2 3 ... 10
    batteries, battery, cocktail, don's cocktail, ethanol, fuel, fuel additives, mercury, optimax, spark plugs
    • Replies: 188
    • Views: 154,164
    EuropeanAM
    04-12-2024, 10:30 PM Go to last post

  2. Lightbulb Cleaning your cooling water strainer screen on 250 Pro XS

    Started by mikesxpress, 01-27-2015 01:52 PM
    7 Pages •
    1 2 3 ... 7
    10 Attachment(s)
    • Replies: 138
    • Views: 76,273
    EuropeanAM
    04-08-2024, 01:49 PM Go to last post

  3. Lubricating AIR COMPRESSOR for STORAGE

    Started by Rangerdic, 11-16-2015 09:33 PM
    • Replies: 18
    • Views: 8,007
    SilverFox579
    04-05-2024, 07:32 AM Go to last post

  4. mercury rigging hose replacement

    Started by georgeweeber, 09-23-2016 01:48 PM
    • Replies: 13
    • Views: 2,841
    EuropeanAM
    04-29-2024, 06:07 PM Go to last post

  5. torque follow up/ bolt types

    Started by bbbill, 07-04-2016 10:38 AM
    1 Attachment(s)
    • Replies: 19
    • Views: 2,800
    EuropeanAM
    04-11-2024, 08:46 AM Go to last post

  6. Merc 225 EFI has lost bottom end power, otherwise runs great

    Started by topwater1956, 06-22-2016 08:07 AM
    • Replies: 13
    • Views: 1,891
    SilverFox579
    04-07-2024, 07:30 AM Go to last post

  7. One more time before I scrap this engine.

    Started by FeFanatic, 02-25-2024 05:19 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 22
    • Views: 1,233
    EuropeanAM
    04-08-2024, 12:55 PM Go to last post

  8. Thermostat

    Started by MikeFromMaryland, 04-05-2024 03:44 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 36
    • Views: 922
    SilverFox579
    04-12-2024, 08:27 AM Go to last post

  9. Blown 200 Optimax 2006

    Started by brodieb, 09-29-2023 10:25 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 842
    EuropeanAM
    05-08-2024, 12:21 PM Go to last post

  10. Trim pump rear bolt/stud head snapped off

    Started by jkscarab, 02-01-2024 01:10 PM
    3 Pages •
    1 2 3
    10 Attachment(s)
    • Replies: 40
    • Views: 811
    JOE54
    04-24-2024, 05:19 PM Go to last post

  11. 1999 200 hp Optimax stalling on take off

    Started by spotfin, 03-29-2024 06:39 PM
    2 Pages •
    1 2
    • Replies: 33
    • Views: 779
    JOE54
    04-12-2024, 06:48 AM Go to last post

  12. Optimax idle issues and overheat alarm

    Started by Bigbassfish, 03-25-2024 03:08 PM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 28
    • Views: 756
    Bigbassfish
    Yesterday, 09:51 PM Go to last post

  13. BRAND NEW- HOT OFF THE PRESS OUTBOARD MAINTENANCE MANUAL!

    Started by EuropeanAM, 03-01-2024 10:17 AM
    • Replies: 15
    • Views: 718
    EuropeanAM
    04-18-2024, 12:20 PM Go to last post

  14. 250 Pro XS Won’t Get On Plane

    Started by MikeFromMaryland, 03-04-2024 01:43 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 681
    MikeFromMaryland
    03-31-2024, 08:38 AM Go to last post

  15. 225 Optimax Pro XS cuts out when getting on plane.

    Started by bassfisher444, 04-06-2024 09:18 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 23
    • Views: 617
    bassfisher444
    Yesterday, 06:54 PM Go to last post

  16. Cutting out at WOT

    Started by Willis_C, 03-17-2024 04:23 PM
    • Replies: 15
    • Views: 604
    arkiebassnut
    03-29-2024, 08:05 PM Go to last post

  17. Fuel pressure.

    Started by Turner326, 04-13-2024 10:04 AM
    2 Pages •
    1 2
    • Replies: 30
    • Views: 567
    Turner326
    04-23-2024, 11:03 AM Go to last post

  18. Question What are the potential causes for No Crankcase Pressure?

    Started by wang305305, 04-28-2024 09:55 PM
    2 Pages •
    1 2
    oil
    • Replies: 28
    • Views: 526
    Rudeman
    05-07-2024, 10:26 AM Go to last post

  19. Unhappy Lower unit issues

    Started by Trimguy, 03-23-2024 08:49 PM
    3 Attachment(s)
    • Replies: 15
    • Views: 518
    Trimguy
    04-09-2024, 08:10 PM Go to last post

  20. Mercury 250EFI OT702847 shutting down

    Started by Daretofish, 04-07-2024 01:07 PM
    2 Pages •
    1 2
    • Replies: 25
    • Views: 516
    Daretofish
    04-20-2024, 07:06 AM Go to last post

  21. Low oil alarm.

    Started by Facemelter, 04-01-2024 06:32 PM
    • Replies: 19
    • Views: 508
    EuropeanAM
    04-11-2024, 08:42 AM Go to last post

  22. Trash in thermostat HACK

    Started by chad202, 03-29-2024 09:38 AM
    • Replies: 12
    • Views: 498
    Savage
    03-30-2024, 11:53 PM Go to last post

  23. CLEANING AIR COMPRESSOR WATER SUPPLY STRAINER- OPTIMAX 3L MODELS

    Started by EuropeanAM, 04-08-2024 04:59 PM
    7 Attachment(s)
    • Replies: 9
    • Views: 497
    EuropeanAM
    04-19-2024, 12:17 PM Go to last post

  24. Gelled optimax DFI oil

    Started by Da guz, 04-24-2024 07:37 PM
    2 Attachment(s)
    • Replies: 15
    • Views: 490
    EuropeanAM
    04-27-2024, 10:33 AM Go to last post

  25. Opti-Max primary oil tank

    Started by Rick Wilson, 03-19-2024 04:41 PM
    • Replies: 15
    • Views: 487
    EuropeanAM
    03-30-2024, 10:46 AM Go to last post

  26. 2013 250 pro xs not running right

    Started by davidf, 03-31-2024 12:34 PM
    • Replies: 12
    • Views: 482
    EuropeanAM
    04-17-2024, 05:42 PM Go to last post

  27. Question Mercmonitor back-feeding voltage when using two 12V circuits.

    Started by joco0101, 01-29-2023 12:45 PM
    1 Attachment(s)
    • Replies: 12
    • Views: 482
    biga0556
    04-16-2024, 10:07 AM Go to last post

  28. Best non merc opti oil?

    Started by Da guz, 04-25-2024 09:23 PM
    • Replies: 14
    • Views: 479
    EuropeanAM
    04-27-2024, 10:27 AM Go to last post

  29. Alternator and Charging Issues

    Started by RangerJim, 04-08-2024 05:30 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 475
    EuropeanAM
    04-15-2024, 04:05 PM Go to last post

  30. Using motor muffs on a 250 optimax

    Started by pumamac, 03-24-2024 07:27 PM
    • Replies: 9
    • Views: 471
    Savage
    04-02-2024, 10:34 PM Go to last post

  31. 2012 optimax 250hp, cracked head.

    Started by scorchx1245, 08-05-2022 12:46 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 467
    Otdrzman
    Yesterday, 05:52 PM Go to last post

  32. 2016 Optimax intermittent firing issue

    Started by tdcoleman, 07-10-2022 02:48 PM
    • Replies: 12
    • Views: 446
    EuropeanAM
    04-23-2024, 07:07 PM Go to last post

  33. Oil tank

    Started by Steve Robinson, 04-06-2024 09:02 AM
    • Replies: 14
    • Views: 420
    EuropeanAM
    04-14-2024, 03:33 PM Go to last post

  34. 250 Pro XS Optimax surging when cold

    Started by BigCountryx, 03-12-2024 02:52 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 412
    EuropeanAM
    04-29-2024, 06:13 PM Go to last post

  35. Follow up my previous thermostat issue, and a new problem to ask about........

    Started by GamblerJeff, 05-01-2024 06:36 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 407
    GamblerJeff
    Yesterday, 02:21 PM Go to last post
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