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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: 185,250
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 260 race cowl rubber skirt nuts or hardware question

    Started by LakeFever, Yesterday 08:59 AM
    • Replies: 2
    • Views: 83
    LakeFever
    Today, 04:45 AM Go to last post

  2. outboard wing plate design

    Started by Tom Smyth, 04-20-2024 07:05 PM
    3 Attachment(s)
    • Replies: 3
    • Views: 138
    wogi
    Yesterday, 11:27 PM Go to last post

  3. mercury 3.0 exhaust relief.

    Started by chevy355mark, 02-27-2020 07:43 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 22
    • Views: 4,742
    Aaronhl
    Yesterday, 07:52 PM Go to last post

  4. Adding more heat to a 260 EFI Merc.

    Started by Carter Powell, 04-13-2024 01:16 PM
    • Replies: 11
    • Views: 409
    tlwjkw
    04-21-2024, 05:27 AM Go to last post

  5. Shaving stock heads questions

    Started by LakeFever, 04-19-2024 04:12 PM
    • Replies: 10
    • Views: 230
    4Speed
    04-20-2024, 03:36 PM Go to last post

  6. Cracked Sleeve

    Started by Aaronhl, 04-01-2024 02:15 PM
    3 Pages •
    1 2 3
    • Replies: 44
    • Views: 1,215
    rock
    04-20-2024, 08:57 AM Go to last post

  7. 200ff fishin mota cowl swap. What to do with this hose?

    Started by LakeFever, 04-19-2024 01:11 PM
    3 Attachment(s)
    • Replies: 3
    • Views: 101
    LakeFever
    04-19-2024, 01:58 PM Go to last post

  8. Mercury Tech: 2.4L One Piece Heads

    Started by croSSed, 04-18-2024 11:55 PM
    • Replies: 3
    • Views: 95
    David - WI
    04-19-2024, 01:00 AM Go to last post

  9. 225?

    Started by KIRCHNER, 04-18-2024 03:01 PM
    • Replies: 6
    • Views: 185
    skialot2
    04-18-2024, 10:28 PM Go to last post

  10. Angry 2001 225efi 3.0 Mercury overheating alarm

    Started by jgo5099, 07-11-2023 05:12 PM
    water temp alarm
    • Replies: 10
    • Views: 1,247
    OnPad
    04-17-2024, 06:05 PM Go to last post

  11. 1997 Mercury 225 EFI VST Orings

    Started by Mebe007, 04-16-2024 12:17 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 112
    Aaronhl
    04-16-2024, 09:06 PM Go to last post

  12. Overheating and Assembly Advice

    Started by JoshH, 04-16-2024 07:09 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 106
    Jim Speros
    04-16-2024, 09:03 PM Go to last post

  13. 2.5 280 Break in??

    Started by stoneman, 03-21-2024 04:15 PM
    • Replies: 10
    • Views: 625
    stoneman
    04-16-2024, 08:50 PM Go to last post

  14. 225 Promax Plug variance between banks

    Started by JAA, 04-08-2024 07:17 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 396
    tlwjkw
    04-16-2024, 06:25 PM Go to last post

  15. Clever props

    Started by Titan222, 04-14-2024 08:10 PM
    7 Attachment(s)
    • Replies: 6
    • Views: 253
    Jim Speros
    04-15-2024, 10:15 PM Go to last post

  16. 1997 Mercury 225 HP Carbureted rpm issues

    Started by 21challanger, 04-14-2024 02:44 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 226
    21challanger
    04-15-2024, 02:59 PM Go to last post

  17. Mercury Tech: WOT plug reading

    Started by croSSed, 04-13-2024 04:47 PM
    • Replies: 2
    • Views: 165
    KIRCHNER
    04-14-2024, 07:13 AM Go to last post

  18. Mercury V6 dimensions

    Started by wettek, 04-14-2024 03:07 AM
    • Replies: 0
    • Views: 114
    wettek
    04-14-2024, 03:07 AM Go to last post

  19. Rings 2.4 Bridge Port

    Started by Little boat that could, 04-13-2024 05:25 PM
    • Replies: 6
    • Views: 144
    Little boat that could
    04-13-2024, 07:53 PM Go to last post

  20. 2.0 merc poppet bypass

    Started by NRAINES38, 04-11-2024 08:18 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 144
    OnPad
    04-13-2024, 12:26 AM Go to last post

  21. 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: 109
    LakeFever
    04-11-2024, 06:56 AM Go to last post

  22. Mercury Optimax: VST compatiblity

    Started by Flinko, 04-08-2024 01:46 AM
    • Replies: 2
    • Views: 124
    Flinko
    04-11-2024, 04:59 AM Go to last post

  23. 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: 4,794
    skialot2
    04-11-2024, 12:54 AM Go to last post

  24. Lower unit re and re guts. Time?

    Started by LakeFever, 03-13-2024 03:58 PM
    • Replies: 7
    • Views: 450
    Jim Speros
    04-10-2024, 10:25 PM Go to last post

  25. merc set back

    Started by KIRCHNER, 04-09-2024 08:58 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 293
    OnPad
    04-10-2024, 09:18 PM Go to last post

  26. Old ECU value

    Started by largecar91, 04-09-2024 11:48 AM
    • Replies: 2
    • Views: 132
    largecar91
    04-09-2024, 06:14 PM Go to last post

  27. 3.0 LH sport master

    Started by 265mercman, 04-08-2024 05:57 AM
    • Replies: 1
    • Views: 99
    265mercman
    04-09-2024, 11:16 AM Go to last post

  28. Charging System / Ignition Help

    Started by Jackson007, 04-08-2024 08:51 PM
    • Replies: 1
    • Views: 115
    OnPad
    04-09-2024, 11:06 AM Go to last post

  29. a - Keystone (tapered) Piston Ring

    Started by Aaronhl, 04-06-2024 10:51 PM
    • Replies: 5
    • Views: 142
    Aaronhl
    04-09-2024, 09:21 AM Go to last post

  30. 2.5 help

    Started by 99fxst99, 04-04-2024 07:53 AM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 18
    • Views: 551
    tlwjkw
    04-08-2024, 10:10 PM Go to last post

  31. Checking tilt and trim fluid

    Started by floater88, 04-07-2024 06:31 AM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 272
    Jim Speros
    04-08-2024, 11:54 AM Go to last post

  32. 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: 2,973
    NRAINES38
    04-08-2024, 08:07 AM Go to last post

  33. Mercury 150 3.0L fourstrroke camshaft top lobe.

    Started by bigshrimpin, 03-13-2024 12:31 PM
    7 Attachment(s)
    • Replies: 14
    • Views: 570
    PanRonnie
    04-04-2024, 11:25 PM Go to last post

  34. Merc 2.5 Water and Partial Dry Stack Question

    Started by Kdybalski, 04-02-2024 06:34 PM
    • Replies: 4
    • Views: 275
    Kdybalski
    04-04-2024, 04:21 PM Go to last post

  35. Mercury Tech: driveshaft housings to fit sportmaster

    Started by wolfgangb, 03-30-2024 08:45 AM
    • Replies: 2
    • Views: 92
    wolfgangb
    04-04-2024, 08:03 AM Go to last post

  36. Johnson 225ho vs building a Johnson 200

    Started by Mhdairy, 03-29-2024 05:18 PM
    • Replies: 10
    • Views: 343
    racer
    04-03-2024, 08:59 AM Go to last post

  37. What does this line do?

    Started by whipper, 05-28-2008 01:04 AM
    4 Pages •
    1 2 3 4
    • Replies: 54
    • Views: 28,812
    Kfoehrkolb7860
    04-02-2024, 08:04 PM Go to last post

  38. 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: 4,390
    NZ Sidewinder
    04-02-2024, 03:29 PM Go to last post

  39. Ever Heard Of This?

    Started by bullet123, 05-11-2023 04:29 AM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 826
    tlwjkw
    04-02-2024, 08:18 AM Go to last post

  40. Mercury 2.5 switchbox connections

    Started by JAA, 03-31-2024 07:19 PM
    • Replies: 5
    • Views: 167
    OnPad
    04-01-2024, 11:14 AM Go to last post
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