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Threads 1 to 40 of 135

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: 185,036
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 02 Mercury 225 Optimax fuel/air Issue!

    Started by Boatrescue, 03-27-2024 12:13 PM
    • Replies: 0
    • Views: 77
    Boatrescue
    03-27-2024, 12:13 PM Go to last post

  2. 1.75 Gear Set Instruction Sheet

    Started by Onetime, 03-26-2024 06:52 PM
    • Replies: 0
    • Views: 69
    Onetime
    03-26-2024, 06:52 PM 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. 100 mercury project build

    Started by NRAINES38, 12-25-2023 10:06 AM
    2 Pages •
    1 2
    • Replies: 17
    • Views: 1,988
    Glastron1987
    01-26-2024, 07:14 PM Go to last post

  5. 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

  6. 1987 evinrude 90hp overheating on starboard pots

    Started by spybot, 03-11-2024 04:12 PM
    4 Attachment(s)
    • Replies: 3
    • Views: 118
    powerabout
    03-12-2024, 04:15 AM Go to last post

  7. 1989 Mariner 175Ski

    Started by Glastron1987, 07-27-2023 08:23 PM
    10 Pages •
    1 2 3 4 5 6 7 8 9 10
    37 Attachment(s)
    • Replies: 148
    • Views: 12,958
    OnPad
    02-12-2024, 11:00 PM Go to last post

  8. 1991 Mercury 200XRI voltage and idle issue

    Started by 88MCPS200, 08-13-2023 09:29 PM
    • Replies: 7
    • Views: 601
    skialot2
    02-28-2024, 12:13 PM Go to last post

  9. 1997 Mercury 225 HP Carbureted rpm issues

    Started by 21challanger, 04-14-2024 02:44 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 181
    21challanger
    Yesterday, 02:59 PM Go to last post

  10. 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

  11. 2.0 merc poppet bypass

    Started by NRAINES38, 04-11-2024 08:18 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 117
    OnPad
    04-13-2024, 12:26 AM Go to last post

  12. Mercury Tech: 2.4 Bridgeport Fuel rail fitting style and size?

    Started by trickcraft, 03-14-2024 10:06 PM
    • Replies: 1
    • Views: 123
    OnPad
    03-25-2024, 09:36 PM Go to last post

  13. 2.4 chrome bore decking?

    Started by Tforman, 02-01-2024 10:36 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 1,229
    lbhsbz
    02-10-2024, 06:19 PM Go to last post

  14. 2.4 sleeve cracked?

    Started by Tforman, 02-08-2024 11:15 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 865
    LakeFever
    02-15-2024, 05:42 AM Go to last post

  15. 2.5 280 Break in??

    Started by stoneman, 03-21-2024 04:15 PM
    • Replies: 9
    • Views: 530
    mikej
    04-09-2024, 03:18 PM Go to last post

  16. 2.5 help

    Started by 99fxst99, 04-04-2024 07:53 AM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 18
    • Views: 514
    tlwjkw
    04-08-2024, 10:10 PM Go to last post

  17. Mercury Tech: 2.5 Merc engine damage

    Started by moldman, 03-02-2024 12:01 PM
    9 Attachment(s)
    • Replies: 7
    • Views: 522
    moldman
    03-05-2024, 12:54 PM Go to last post

  18. 2.5 sportmaster question

    Started by Alby28race, 12-30-2023 11:29 AM
    • Replies: 9
    • Views: 1,443
    Jim Speros
    01-10-2024, 10:01 PM Go to last post

  19. 2.5L Jet Sizes

    Started by 99fxst99, 03-12-2024 05:56 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 275
    David - WI
    03-13-2024, 01:23 PM Go to last post

  20. 2000 200HP Merc. 2.5

    Started by skialot2, 11-09-2023 02:42 PM
    3 Pages •
    1 2 3
    15 Attachment(s)
    • Replies: 39
    • Views: 4,766
    skialot2
    04-11-2024, 12:54 AM Go to last post

  21. Mercury Tech: 2000 Mercury 125hp (ELPTO) Oil delete

    Started by gerrydi69, 03-28-2024 08:40 AM
    125hp, 2000, mercury, oil delete 3 Attachment(s)
    • Replies: 6
    • Views: 164
    gerrydi69
    03-30-2024, 10:42 AM Go to last post

  22. Question Mercury Tech: 2001 Mercury 4 Stroke 90 hp rev limit issue 2000 RPM max

    Started by LaveyT, 03-10-2024 02:04 PM
    • Replies: 2
    • Views: 121
    faztbullet
    03-26-2024, 09:34 AM Go to last post

  23. 200FF or 225 Promax to mod?

    Started by LakeFever, 01-19-2024 09:47 AM
    • Replies: 11
    • Views: 1,397
    rgsauger
    01-22-2024, 07:10 PM Go to last post

  24. 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

  25. Mercury Tech: 225 Optimax Service Manual PDF?

    Started by DieselDood, 03-12-2024 10:40 AM
    5 Attachment(s)
    • Replies: 10
    • Views: 194
    DieselDood
    03-18-2024, 02:09 PM Go to last post

  26. 225 Promax Plug variance between banks

    Started by JAA, 04-08-2024 07:17 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 282
    PanRonnie
    Today, 06:31 AM Go to last post

  27. 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

  28. 3.0 LH sport master

    Started by 265mercman, 04-08-2024 05:57 AM
    • Replies: 1
    • Views: 91
    265mercman
    04-09-2024, 11:16 AM Go to last post

  29. 3.0 liter lower unit carrier pull

    Started by Aaronhl, 01-21-2024 06:05 PM
    • Replies: 10
    • Views: 816
    Chaz
    01-24-2024, 02:48 PM Go to last post

  30. 300x block question?

    Started by malexie, 01-17-2024 09:57 PM
    • Replies: 5
    • Views: 873
    Chaz
    02-14-2024, 11:51 PM Go to last post

  31. 400R repower

    Started by Wild Bill, 03-24-2024 07:58 PM
    • Replies: 0
    • Views: 172
    Wild Bill
    03-24-2024, 07:58 PM Go to last post

  32. 77 allison did they use a layer of wood in the hull between layers of glass?

    Started by derekfl, 03-23-2024 06:20 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 18
    • Views: 534
    KIRCHNER
    03-28-2024, 07:29 AM Go to last post

  33. 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

  34. 98 RON non ethanol vs 95 RON E10

    Started by Toffen, 02-22-2024 03:09 PM
    • Replies: 1
    • Views: 166
    racervboat
    02-23-2024, 10:12 AM Go to last post

  35. a - Keystone (tapered) Piston Ring

    Started by Aaronhl, 04-06-2024 10:51 PM
    • Replies: 5
    • Views: 137
    Aaronhl
    04-09-2024, 09:21 AM Go to last post

  36. Adding more heat to a 260 EFI Merc.

    Started by Carter Powell, 04-13-2024 01:16 PM
    • Replies: 0
    • Views: 78
    Carter Powell
    04-13-2024, 01:16 PM Go to last post

  37. Air Traps on a Hydroplane

    Started by Spaceman Spiff, 02-07-2024 10:39 PM
    6 Attachment(s)
    • Replies: 9
    • Views: 669
    Spaceman Spiff
    02-18-2024, 11:54 AM Go to last post

  38. 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

  39. 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

  40. 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: 1,717
    skialot2
    01-24-2024, 11:41 PM Go to last post
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