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Threads 41 to 80 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: 185,087
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 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

  2. Northeast Machine shop services

    Started by noots, 02-08-2024 02:24 PM
    • Replies: 7
    • Views: 820
    bigshrimpin
    03-13-2024, 07:38 PM Go to last post

  3. 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

  4. Ever Heard Of This?

    Started by bullet123, 05-11-2023 04:29 AM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 809
    tlwjkw
    04-02-2024, 08:18 AM Go to last post

  5. 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

  6. XRI vs EFI

    Started by Glastron1987, 02-17-2024 08:14 AM
    • Replies: 13
    • Views: 743
    25two.stroke
    03-12-2024, 06:00 PM Go to last post

  7. Water pressure in a sportmaster at 60MPH

    Started by Carter Powell, 02-03-2024 08:54 PM
    • Replies: 11
    • Views: 739
    Jim Speros
    02-14-2024, 10:56 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. Broken 2.5L 1.87 box

    Started by NZ Sidewinder, 02-16-2024 05:38 PM
    1 Attachment(s)
    • Replies: 12
    • Views: 686
    NZ Sidewinder
    02-23-2024, 03:47 AM Go to last post

  10. 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

  11. 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

  12. Mercury Tech: Mercury 2.5 260 Engine builders Opinion / Advice needed.

    Started by 4-MULA-V, 02-11-2024 01:11 PM
    5 Attachment(s)
    • Replies: 9
    • Views: 655
    25two.stroke
    02-13-2024, 01:32 PM Go to last post

  13. 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

  14. 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

  15. Merc 280 trigger wheel?

    Started by malexie, 01-27-2024 10:24 PM
    • Replies: 5
    • Views: 609
    mrcrsr
    02-22-2024, 09:55 AM Go to last post

  16. 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

  17. uflex helm

    Started by KIRCHNER, 01-19-2024 12:42 PM
    • Replies: 9
    • Views: 590
    KIRCHNER
    02-12-2024, 05:58 PM Go to last post

  18. 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

  19. 2.5 280 Break in??

    Started by stoneman, 03-21-2024 04:15 PM
    • Replies: 10
    • Views: 584
    stoneman
    04-16-2024, 08:50 PM Go to last post

  20. 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

  21. Mercury 150 3.0L fourstrroke camshaft top lobe.

    Started by bigshrimpin, 03-13-2024 12:31 PM
    7 Attachment(s)
    • Replies: 14
    • Views: 562
    PanRonnie
    04-04-2024, 11:25 PM Go to last post

  22. 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

  23. 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: 541
    KIRCHNER
    03-28-2024, 07:29 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: 525
    tlwjkw
    04-08-2024, 10:10 PM Go to last post

  25. 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

  26. Verado info needed

    Started by PaulR, 09-07-2023 06:53 PM
    5 Attachment(s)
    • Replies: 5
    • Views: 499
    PaulR
    03-02-2024, 08:03 PM Go to last post

  27. 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

  28. Which fuel pump to replace the VST? 225 ProMax

    Started by ssv1761982, 02-19-2024 09:40 AM
    • Replies: 7
    • Views: 467
    Oliver67890p-[=]
    02-23-2024, 02:12 AM Go to last post

  29. 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

  30. Mercury 2.5 Questions

    Started by Glastron1987, 03-23-2024 04:09 PM
    • Replies: 11
    • Views: 457
    Glastron1987
    03-28-2024, 06:53 PM Go to last post

  31. Second effort single pinion v8 lower vs stock v8 lower

    Started by Affromax, 03-15-2024 03:10 PM
    lower unit, omcv8, second effort 3 Attachment(s)
    • Replies: 9
    • Views: 434
    Affromax
    03-25-2024, 10:43 PM Go to last post

  32. Mercury Tech: Optimax Maintenance at 100 hours

    Started by 4Speed, 11-18-2023 04:07 PM
    • Replies: 6
    • Views: 433
    4Speed
    02-18-2024, 12:57 PM Go to last post

  33. Lower unit re and re guts. Time?

    Started by LakeFever, 03-13-2024 03:58 PM
    • Replies: 7
    • Views: 430
    Jim Speros
    04-10-2024, 10:25 PM Go to last post

  34. 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

  35. Tohatsu 40hp 3-cyl 2-stroke mod questions

    Started by FastCat04, 01-08-2024 10:27 AM
    • Replies: 1
    • Views: 391
    slowJEEP
    01-09-2024, 04:11 PM Go to last post

  36. 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

  37. 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

  38. Fuel tank fitting causing restriction?

    Started by Gilera, 02-17-2024 03:18 PM
    • Replies: 4
    • Views: 380
    Mark Poole ModVP
    03-06-2024, 03:32 PM Go to last post

  39. 225 Promax Plug variance between banks

    Started by JAA, 04-08-2024 07:17 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 376
    tlwjkw
    04-16-2024, 06:25 PM Go to last post

  40. 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
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