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Threads 41 to 80 of 136

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: 185,495
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 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

  2. Mercury Tech: Faria Tach with idiot lights only for OMC?

    Started by DieselDood, 04-23-2024 04:07 PM
    2 Attachment(s)
    • Replies: 6
    • Views: 128
    skialot2
    Today, 01:31 PM Go to last post

  3. Homemade tubular midsection ? x cat engine replica?

    Started by espen, 03-12-2024 08:24 PM
    • Replies: 0
    • Views: 149
    espen
    03-12-2024, 08:24 PM Go to last post

  4. 300x help?

    Started by F29DCB, Yesterday 01:28 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 113
    25two.stroke
    Yesterday, 05:29 PM Go to last post

  5. 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

  6. Solid Motor mount compatibility

    Started by Fishwhisper, 01-25-2024 02:36 PM
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 22
    • Views: 1,695
    VkingMike
    01-31-2024, 10:31 AM Go to last post

  7. Mercury Optimax: VST compatiblity

    Started by Flinko, 04-08-2024 01:46 AM
    • Replies: 2
    • Views: 127
    Flinko
    04-11-2024, 04:59 AM Go to last post

  8. Checking tilt and trim fluid

    Started by floater88, 04-07-2024 06:31 AM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 274
    Jim Speros
    04-08-2024, 11:54 AM Go to last post

  9. 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: 171
    gerrydi69
    03-30-2024, 10:42 AM Go to last post

  10. 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

  11. mid section repair

    Started by gguertin145, 02-21-2024 03:03 PM
    3 Pages •
    1 2 3
    2 Attachment(s)
    • Replies: 30
    • Views: 1,135
    gguertin145
    02-23-2024, 10:25 AM Go to last post

  12. Gaskets for a Rebuild

    Started by gguertin145, 02-23-2024 04:01 PM
    • Replies: 3
    • Views: 215
    OnPad
    02-23-2024, 06:37 PM Go to last post

  13. 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: 1,719
    skialot2
    01-24-2024, 11:41 PM Go to last post

  14. Changing out tilt motor on V4 crossflow.

    Started by Gilera, 02-12-2024 10:18 PM
    • Replies: 3
    • Views: 334
    Revenge22
    03-02-2024, 07:53 PM Go to last post

  15. Has anyone tried the newer style CDI coils on older V4 OMC motors?

    Started by Gilera, 03-07-2024 04:25 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 253
    espen
    03-12-2024, 07:33 PM Go to last post

  16. Fuel tank fitting causing restriction?

    Started by Gilera, 02-17-2024 03:18 PM
    • Replies: 4
    • Views: 381
    Mark Poole ModVP
    03-06-2024, 03:32 PM Go to last post

  17. 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: 12,991
    OnPad
    02-12-2024, 11:00 PM Go to last post

  18. XRI vs EFI

    Started by Glastron1987, 02-17-2024 08:14 AM
    • Replies: 13
    • Views: 754
    25two.stroke
    03-12-2024, 06:00 PM Go to last post

  19. Mercury 2.5 Questions

    Started by Glastron1987, 03-23-2024 04:09 PM
    • Replies: 11
    • Views: 483
    Glastron1987
    03-28-2024, 06:53 PM Go to last post

  20. 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: 28,784
    99fxst99
    01-19-2024, 04:04 PM Go to last post

  21. 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: 748
    tlwjkw
    01-19-2024, 02:25 AM Go to last post

  22. Mercury Tech: Optimax troubleshooting

    Started by Haggus900, 02-01-2024 04:15 AM
    optimax issues
    • Replies: 8
    • Views: 1,529
    rhardwick
    02-11-2024, 12:34 PM Go to last post

  23. 225 Promax Plug variance between banks

    Started by JAA, 04-08-2024 07:17 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 403
    tlwjkw
    04-16-2024, 06:25 PM Go to last post

  24. 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

  25. 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

  26. Angry 2001 225efi 3.0 Mercury overheating alarm

    Started by jgo5099, 07-11-2023 05:12 PM
    water temp alarm
    • Replies: 10
    • Views: 1,248
    OnPad
    04-17-2024, 06:05 PM Go to last post

  27. Replacement Helm Question

    Started by jlay, 03-24-2024 12:13 PM
    • Replies: 10
    • Views: 360
    jlay
    03-31-2024, 01:03 AM Go to last post

  28. Overheating and Assembly Advice

    Started by JoshH, 04-16-2024 07:09 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 109
    Jim Speros
    04-16-2024, 09:03 PM Go to last post

  29. Merc 2.5 Water and Partial Dry Stack Question

    Started by Kdybalski, 04-02-2024 06:34 PM
    • Replies: 4
    • Views: 279
    Kdybalski
    04-04-2024, 04:21 PM Go to last post

  30. cold starts

    Started by KIRCHNER, 01-14-2024 05:17 PM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 1,438
    Jim Speros
    02-13-2024, 12:44 PM Go to last post

  31. uflex helm

    Started by KIRCHNER, 01-19-2024 12:42 PM
    • Replies: 9
    • Views: 591
    KIRCHNER
    02-12-2024, 05:58 PM Go to last post

  32. over-charging

    Started by KIRCHNER, 02-12-2024 06:49 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 16
    • Views: 1,019
    j_martin
    02-15-2024, 01:22 PM Go to last post

  33. merc set back

    Started by KIRCHNER, 04-09-2024 08:58 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 298
    OnPad
    04-10-2024, 09:18 PM Go to last post

  34. 225?

    Started by KIRCHNER, 04-18-2024 03:01 PM
    • Replies: 6
    • Views: 194
    skialot2
    04-18-2024, 10:28 PM Go to last post

  35. 200FF or 225 Promax to mod?

    Started by LakeFever, 01-19-2024 09:47 AM
    • Replies: 11
    • Views: 1,400
    rgsauger
    01-22-2024, 07:10 PM Go to last post

  36. Lower unit re and re guts. Time?

    Started by LakeFever, 03-13-2024 03:58 PM
    • Replies: 7
    • Views: 455
    Jim Speros
    04-10-2024, 10:25 PM Go to last post

  37. Shaving stock heads questions

    Started by LakeFever, 04-19-2024 04:12 PM
    • Replies: 10
    • Views: 244
    4Speed
    04-20-2024, 03:36 PM Go to last post

  38. 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: 109
    LakeFever
    04-19-2024, 01:58 PM Go to last post

  39. 260 race cowl rubber skirt nuts or hardware question

    Started by LakeFever, 04-22-2024 08:59 AM
    • Replies: 2
    • Views: 97
    LakeFever
    04-23-2024, 04:45 AM Go to last post

  40. Old ECU value

    Started by largecar91, 04-09-2024 11:48 AM
    • Replies: 2
    • Views: 133
    largecar91
    04-09-2024, 06:14 PM Go to last post
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