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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: 185,116
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 225?

    Started by KIRCHNER, Today 03:01 PM
    • Replies: 0
    • Views: 16
    KIRCHNER
    Today, 03:01 PM Go to last post

  2. Angry 2001 225efi 3.0 Mercury overheating alarm

    Started by jgo5099, 07-11-2023 05:12 PM
    water temp alarm
    • Replies: 10
    • Views: 1,231
    OnPad
    Yesterday, 06:05 PM Go to last post

  3. Adding more heat to a 260 EFI Merc.

    Started by Carter Powell, 04-13-2024 01:16 PM
    • Replies: 5
    • Views: 217
    tlwjkw
    Yesterday, 12:05 PM Go to last post

  4. 1997 Mercury 225 EFI VST Orings

    Started by Mebe007, 04-16-2024 12:17 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 96
    Aaronhl
    04-16-2024, 09:06 PM Go to last post

  5. Overheating and Assembly Advice

    Started by JoshH, 04-16-2024 07:09 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 91
    Jim Speros
    04-16-2024, 09:03 PM Go to last post

  6. 2.5 280 Break in??

    Started by stoneman, 03-21-2024 04:15 PM
    • Replies: 10
    • Views: 588
    stoneman
    04-16-2024, 08:50 PM Go to last post

  7. 225 Promax Plug variance between banks

    Started by JAA, 04-08-2024 07:17 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 384
    tlwjkw
    04-16-2024, 06:25 PM Go to last post

  8. Clever props

    Started by Titan222, 04-14-2024 08:10 PM
    7 Attachment(s)
    • Replies: 6
    • Views: 228
    Jim Speros
    04-15-2024, 10:15 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: 208
    21challanger
    04-15-2024, 02:59 PM Go to last post

  10. Mercury Tech: WOT plug reading

    Started by croSSed, 04-13-2024 04:47 PM
    • Replies: 2
    • Views: 144
    KIRCHNER
    04-14-2024, 07:13 AM Go to last post

  11. Mercury V6 dimensions

    Started by wettek, 04-14-2024 03:07 AM
    • Replies: 0
    • Views: 107
    wettek
    04-14-2024, 03:07 AM Go to last post

  12. Rings 2.4 Bridge Port

    Started by Little boat that could, 04-13-2024 05:25 PM
    • Replies: 6
    • Views: 130
    Little boat that could
    04-13-2024, 07:53 PM Go to last post

  13. Cracked Sleeve

    Started by Aaronhl, 04-01-2024 02:15 PM
    3 Pages •
    1 2 3
    • Replies: 41
    • Views: 921
    LakeFever
    04-13-2024, 03:20 PM Go to last post

  14. 2.0 merc poppet bypass

    Started by NRAINES38, 04-11-2024 08:18 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 130
    OnPad
    04-13-2024, 12:26 AM Go to last post

  15. Mercury Tech: Thoughts on break-in period for a rebuilt Merc 2-stroke

    Started by paradak, 04-11-2024 06:39 AM
    • Replies: 1
    • Views: 97
    LakeFever
    04-11-2024, 06:56 AM Go to last post

  16. Mercury Optimax: VST compatiblity

    Started by Flinko, 04-08-2024 01:46 AM
    • Replies: 2
    • Views: 118
    Flinko
    04-11-2024, 04:59 AM Go to last post

  17. 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: 4,770
    skialot2
    04-11-2024, 12:54 AM Go to last post

  18. Lower unit re and re guts. Time?

    Started by LakeFever, 03-13-2024 03:58 PM
    • Replies: 7
    • Views: 432
    Jim Speros
    04-10-2024, 10:25 PM Go to last post

  19. merc set back

    Started by KIRCHNER, 04-09-2024 08:58 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 274
    OnPad
    04-10-2024, 09:18 PM Go to last post

  20. Old ECU value

    Started by largecar91, 04-09-2024 11:48 AM
    • Replies: 2
    • Views: 124
    largecar91
    04-09-2024, 06:14 PM Go to last post

  21. 3.0 LH sport master

    Started by 265mercman, 04-08-2024 05:57 AM
    • Replies: 1
    • Views: 93
    265mercman
    04-09-2024, 11:16 AM Go to last post

  22. Charging System / Ignition Help

    Started by Jackson007, 04-08-2024 08:51 PM
    • Replies: 1
    • Views: 108
    OnPad
    04-09-2024, 11:06 AM Go to last post

  23. a - Keystone (tapered) Piston Ring

    Started by Aaronhl, 04-06-2024 10:51 PM
    • Replies: 5
    • Views: 140
    Aaronhl
    04-09-2024, 09:21 AM Go to last post

  24. 2.5 help

    Started by 99fxst99, 04-04-2024 07:53 AM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 18
    • Views: 528
    tlwjkw
    04-08-2024, 10:10 PM Go to last post

  25. Checking tilt and trim fluid

    Started by floater88, 04-07-2024 06:31 AM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 260
    Jim Speros
    04-08-2024, 11:54 AM Go to last post

  26. Bow lift struggle

    Started by NRAINES38, 02-04-2024 06:04 PM
    6 Pages •
    1 2 3 4 5 6
    15 Attachment(s)
    • Replies: 77
    • Views: 2,961
    NRAINES38
    04-08-2024, 08:07 AM Go to last post

  27. Mercury 150 3.0L fourstrroke camshaft top lobe.

    Started by bigshrimpin, 03-13-2024 12:31 PM
    7 Attachment(s)
    • Replies: 14
    • Views: 564
    PanRonnie
    04-04-2024, 11:25 PM Go to last post

  28. Merc 2.5 Water and Partial Dry Stack Question

    Started by Kdybalski, 04-02-2024 06:34 PM
    • Replies: 4
    • Views: 260
    Kdybalski
    04-04-2024, 04:21 PM Go to last post

  29. Mercury Tech: driveshaft housings to fit sportmaster

    Started by wolfgangb, 03-30-2024 08:45 AM
    • Replies: 2
    • Views: 88
    wolfgangb
    04-04-2024, 08:03 AM Go to last post

  30. Johnson 225ho vs building a Johnson 200

    Started by Mhdairy, 03-29-2024 05:18 PM
    • Replies: 10
    • Views: 325
    racer
    04-03-2024, 08:59 AM Go to last post

  31. What does this line do?

    Started by whipper, 05-28-2008 01:04 AM
    4 Pages •
    1 2 3 4
    • Replies: 54
    • Views: 28,788
    Kfoehrkolb7860
    04-02-2024, 08:04 PM Go to last post

  32. Greg Moss' cooling mods / Drystacking the 2 piece plate

    Started by O/B Dude, 06-13-2003 10:21 AM
    6 Attachment(s)
    • Replies: 13
    • Views: 4,375
    NZ Sidewinder
    04-02-2024, 03:29 PM Go to last post

  33. Ever Heard Of This?

    Started by bullet123, 05-11-2023 04:29 AM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 815
    tlwjkw
    04-02-2024, 08:18 AM Go to last post

  34. Mercury 2.5 switchbox connections

    Started by JAA, 03-31-2024 07:19 PM
    • Replies: 5
    • Views: 163
    OnPad
    04-01-2024, 11:14 AM Go to last post

  35. Control box up tilt goes down instead of up?

    Started by Carter Powell, 03-21-2024 12:03 PM
    • Replies: 7
    • Views: 249
    Chaz
    04-01-2024, 09:39 AM Go to last post

  36. Replacement Helm Question

    Started by jlay, 03-24-2024 12:13 PM
    • Replies: 10
    • Views: 349
    jlay
    03-31-2024, 01:03 AM Go to last post

  37. 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

  38. Bob's after market V6 tuner

    Started by wogi, 03-29-2024 09:35 PM
    • Replies: 3
    • Views: 220
    KIRCHNER
    03-30-2024, 07:45 AM Go to last post

  39. Bosch injector grommets

    Started by largecar91, 03-28-2024 11:00 AM
    • Replies: 11
    • Views: 225
    largecar91
    03-29-2024, 09:53 AM Go to last post

  40. Mercury 2.5 Questions

    Started by Glastron1987, 03-23-2024 04:09 PM
    • Replies: 11
    • Views: 458
    Glastron1987
    03-28-2024, 06:53 PM Go to last post
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