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Threads 1 to 40 of 134

Forum: Technical Discussion

The place for mechanics, racers, governing body officials, tech-talk junkies, or anyone seeking engine-related technical help.

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  1. Exclamation Sticky Thread Sticky: New low cost ECU alternative!

    Started by Tony Brucato, 07-21-2006 08:51 AM
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 74
    • Views: 185,118
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 2.5 sportmaster question

    Started by Alby28race, 12-30-2023 11:29 AM
    • Replies: 9
    • Views: 1,446
    Jim Speros
    01-10-2024, 10:01 PM Go to last post

  2. Battery Switching

    Started by sonicss33, 01-09-2024 07:52 PM
    2 Attachment(s)
    • Replies: 6
    • Views: 662
    4Speed
    01-11-2024, 06:36 AM Go to last post

  3. 1.87 fishing gears - 43-44104A8 VS 43-44104A2?

    Started by rjdubiel, 01-11-2024 08:44 AM
    • Replies: 4
    • Views: 334
    rjdubiel
    01-11-2024, 12:18 PM Go to last post

  4. 95 200xri temp guage

    Started by terry2, 01-11-2024 11:33 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 398
    tlwjkw
    01-11-2024, 05:09 PM Go to last post

  5. temp alarm hook-up

    Started by KIRCHNER, 01-07-2024 02:00 PM
    2 Pages •
    1 2
    • Replies: 19
    • Views: 1,900
    KIRCHNER
    01-12-2024, 05:02 PM Go to last post

  6. Cmc actuator rebuild..

    Started by kct11, 01-18-2017 08:55 PM
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 33
    • Views: 10,780
    shep70057
    01-15-2024, 08:19 AM Go to last post

  7. thermostat logistics?

    Started by rudderless, 01-14-2024 11:09 PM
    • Replies: 1
    • Views: 382
    racer
    01-15-2024, 09:51 AM Go to last post

  8. etec 300s

    Started by Captain UK, 01-12-2024 08:58 PM
    2 Attachment(s)
    • Replies: 14
    • Views: 735
    PanRonnie
    01-16-2024, 02:08 PM Go to last post

  9. 3 ram trim pump assembly faulty

    Started by Aaronhl, 01-13-2024 01:07 PM
    • Replies: 3
    • Views: 630
    Aaronhl
    01-17-2024, 08:27 PM Go to last post

  10. Merc 2.5 Lower Unit Wont Go On (washer in between midsection?)

    Started by gtoking1972, 01-17-2024 07:35 PM
    3 Attachment(s)
    • Replies: 13
    • Views: 747
    tlwjkw
    01-19-2024, 02:25 AM Go to last post

  11. Oil Drain and Vent Plug Gaskets

    Started by Basnova, 01-18-2024 09:47 AM
    • Replies: 9
    • Views: 1,386
    25two.stroke
    01-19-2024, 11:39 AM Go to last post

  12. Buckshot racing 77

    Started by NRAINES38, 01-16-2024 10:01 PM
    • Replies: 4
    • Views: 927
    25two.stroke
    01-19-2024, 12:37 PM Go to last post

  13. Mercury Tech: Starter spins but doesn't engage flywheel

    Started by Greene, 05-17-2010 05:06 PM
    3 Pages •
    1 2 3
    • Replies: 32
    • Views: 28,755
    99fxst99
    01-19-2024, 04:04 PM Go to last post

  14. Mercury 450r wiring diagrams for rigging?

    Started by 724Bravo, 01-20-2024 04:10 PM
    • Replies: 0
    • Views: 260
    724Bravo
    01-20-2024, 04:10 PM Go to last post

  15. Sportmaster oil fill level practices?

    Started by Sleek Jr, 01-01-2021 02:53 PM
    4 Pages •
    1 2 3 4
    3 Attachment(s)
    • Replies: 49
    • Views: 4,551
    skialot2
    01-20-2024, 07:57 PM Go to last post

  16. 2017 150HO Etec

    Started by Snipe, 01-18-2024 04:31 PM
    • Replies: 11
    • Views: 1,995
    Snipe
    01-21-2024, 10:17 PM Go to last post

  17. 200FF or 225 Promax to mod?

    Started by LakeFever, 01-19-2024 09:47 AM
    • Replies: 11
    • Views: 1,399
    rgsauger
    01-22-2024, 07:10 PM Go to last post

  18. mercury 3.0 exhaust relief.

    Started by chevy355mark, 02-27-2020 07:43 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 20
    • Views: 4,638
    Chaz
    01-23-2024, 10:15 AM Go to last post

  19. 3.0 liter lower unit carrier pull

    Started by Aaronhl, 01-21-2024 06:05 PM
    • Replies: 10
    • Views: 817
    Chaz
    01-24-2024, 02:48 PM Go to last post

  20. Mercury Tech: Billet 2.5 FF heads on 2.4

    Started by GiantCrouton, 01-22-2024 08:21 PM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 1,718
    skialot2
    01-24-2024, 11:41 PM Go to last post

  21. Ratcheting Case Question.

    Started by Carter Powell, 01-21-2024 02:17 PM
    • Replies: 10
    • Views: 1,467
    bbezok
    01-25-2024, 02:30 PM Go to last post

  22. Mercury Tech: Difference in stators

    Started by ctered, 07-12-2008 08:12 PM
    • Replies: 10
    • Views: 2,150
    rarnephy
    01-26-2024, 06:04 AM Go to last post

  23. 100 mercury project build

    Started by NRAINES38, 12-25-2023 10:06 AM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 1,991
    Glastron1987
    01-26-2024, 07:14 PM Go to last post

  24. Lightest 12" or 6" setback manual jackplate rated for merc 300 xs or 300r

    Started by scott reierson, 01-24-2024 06:27 PM
    • Replies: 2
    • Views: 459
    scott reierson
    01-26-2024, 09:55 PM Go to last post

  25. OMC Tech: 1999 V4 Looper Phantom SLOW mode activation

    Started by 72lightning, 01-05-2024 01:00 AM
    • Replies: 4
    • Views: 641
    72lightning
    01-27-2024, 01:34 AM Go to last post

  26. Opinion about jack plate on single cat application (skater 21)

    Started by LeonardG, 12-30-2023 02:40 AM
    2 Attachment(s)
    • Replies: 3
    • Views: 579
    LeonardG
    01-27-2024, 01:48 PM Go to last post

  27. Another step closer to Electric Boats

    Started by slowJEEP, 01-29-2024 10:15 AM
    electric boat, the end is near
    • Replies: 6
    • Views: 547
    Chaz
    01-30-2024, 09:10 AM Go to last post

  28. Cut down mid

    Started by myron, 01-27-2024 04:30 PM
    • Replies: 2
    • Views: 498
    ChrisCarsonMarine
    01-31-2024, 08:08 AM Go to last post

  29. Solid Motor mount compatibility

    Started by Fishwhisper, 01-25-2024 02:36 PM
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 22
    • Views: 1,690
    VkingMike
    01-31-2024, 10:31 AM Go to last post

  30. Mercury Tech: Hole size for one piece

    Started by FAST RALLY SPORT, 01-31-2024 12:40 PM
    • Replies: 4
    • Views: 387
    Baker343
    02-01-2024, 02:05 AM Go to last post

  31. Top main bearing life extender?

    Started by WATERWINGS, 08-18-2012 12:22 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 25
    • Views: 3,334
    NZ Sidewinder
    02-01-2024, 05:46 PM Go to last post

  32. Mercury Tech: Help with 2.5 200 1996 identification

    Started by USAJOHNSON, 02-01-2024 12:51 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 360
    USAJOHNSON
    02-01-2024, 10:40 PM Go to last post

  33. Mercury Tech: Cylinder replating

    Started by madoxusa, 01-26-2024 04:04 PM
    • Replies: 11
    • Views: 2,159
    Chaz
    02-02-2024, 12:35 PM Go to last post

  34. Rebuilding 1994 225 3l for bass boat

    Started by gguertin145, 02-05-2024 02:51 PM
    • Replies: 4
    • Views: 290
    Aaronhl
    02-06-2024, 03:22 PM Go to last post

  35. Yamaha Inshore Series lower units. Who has one or has seen one?

    Started by Mr. Demeanor, 07-21-2012 02:41 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 1,959
    Mike_83
    02-09-2024, 06:37 AM Go to last post

  36. Mercury Tech: Mercury 225 Optimax Surging

    Started by DieselDood, 02-03-2024 11:36 PM
    1 Attachment(s)
    • Replies: 13
    • Views: 587
    XstreamVking
    02-09-2024, 05:54 PM Go to last post

  37. Mercury Tech: 1978 2.4 powerhead swap. What fits?

    Started by Cheifjunk, 02-09-2024 06:59 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 253
    Cheifjunk
    02-10-2024, 12:10 PM Go to last post

  38. 2.4 chrome bore decking?

    Started by Tforman, 02-01-2024 10:36 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 1,230
    lbhsbz
    02-10-2024, 06:19 PM Go to last post

  39. Mercury 3.0L EFI Slide Intake Wanted !!

    Started by Amatuer, 02-11-2024 01:19 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 165
    Amatuer
    02-11-2024, 06:35 AM Go to last post

  40. Mercury Tech: Optimax troubleshooting

    Started by Haggus900, 02-01-2024 04:15 AM
    optimax issues
    • Replies: 8
    • Views: 1,528
    rhardwick
    02-11-2024, 12:34 PM Go to last post
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