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Threads 1 to 40 of 163

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: 128,747
    keefallan
    09-20-2020, 11:40 AM Go to last post

  2. Sticky Thread Sticky: Alisyn Oil Promotion - Free Shipping On All Orders!

    Started by Scream And Fly, 02-03-2006 04:03 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 73
    • Views: 127,172
    FORBESAUTO
    08-15-2020, 04:04 PM Go to last post

  1. 2001 200 efi bogging out of the hole

    Started by Gribbs71, Today 08:49 AM
    • Replies: 2
    • Views: 33
    rock
    Today, 10:18 AM Go to last post

  2. Mercury / Seastar side mount controls (Gen 2)

    Started by TraceF3, Yesterday 04:30 PM
    2 Attachment(s)
    • Replies: 3
    • Views: 63
    TraceF3
    Today, 08:45 AM Go to last post

  3. Where is the ground cable connected on 2008, 300xs ?

    Started by wfowahoo, Yesterday 11:29 PM
    • Replies: 1
    • Views: 50
    Jim Speros
    Today, 06:33 AM Go to last post

  4. Keel repair advice needed

    Started by Spaceman Spiff, 03-22-2023 03:19 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 314
    rgsauger
    Today, 12:03 AM Go to last post

  5. do you use spacers to index your Optimax plugs?

    Started by David, Yesterday 08:24 PM
    • Replies: 1
    • Views: 84
    25two.stroke
    Yesterday, 09:36 PM Go to last post

  6. F - N - R Gear shift issue

    Started by Aaronhl, 03-16-2023 10:09 PM
    • Replies: 13
    • Views: 355
    Aaronhl
    Yesterday, 07:10 PM Go to last post

  7. Lower Unit Drain Plug Seals

    Started by 97mirage, 03-23-2023 06:58 PM
    4 Attachment(s)
    • Replies: 14
    • Views: 298
    97mirage
    Yesterday, 08:22 AM Go to last post

  8. Out Of Water Testing / Muffs / Backpressure

    Started by InjectorService, 03-21-2023 12:21 PM
    • Replies: 14
    • Views: 405
    Fishwhisper
    Yesterday, 12:32 AM Go to last post

  9. Mercury Wmh 34/39 Carb black cap/plug

    Started by Jay0016, 03-17-2023 07:46 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 19
    • Views: 409
    Jay0016
    03-24-2023, 08:41 PM Go to last post

  10. Can a 30” Yamaha 300 4T lower unit input shaft be cut down to 25” and be resplined ?

    Started by ratman67, 03-22-2023 12:04 PM
    • Replies: 2
    • Views: 109
    ratman67
    03-24-2023, 07:38 PM Go to last post

  11. Anyone have problems with water in fuel

    Started by CUDA, 03-13-2023 11:03 PM
    • Replies: 4
    • Views: 217
    Jim Speros
    03-24-2023, 05:17 PM Go to last post

  12. Power steering

    Started by Guppy, 03-23-2023 07:56 PM
    • Replies: 1
    • Views: 97
    FUJIMO
    03-24-2023, 03:45 PM Go to last post

  13. 300XS Compressor Water Inlet Hose

    Started by Davidlake, 03-23-2023 01:02 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 111
    boostalmighty
    03-24-2023, 12:53 PM Go to last post

  14. Mercury Tech: Mercury 250xs

    Started by tabme, 03-24-2023 06:10 AM
    • Replies: 0
    • Views: 54
    tabme
    03-24-2023, 06:10 AM Go to last post

  15. 2.4 / 2.5 2 Piece Adaptor Wing Plates

    Started by chubsta, 03-23-2023 09:59 PM
    • Replies: 0
    • Views: 75
    chubsta
    03-23-2023, 09:59 PM Go to last post

  16. Mercury Tech: NEED 300x pistons

    Started by TUFISH, 03-23-2023 08:45 AM
    • Replies: 0
    • Views: 63
    TUFISH
    03-23-2023, 08:45 AM Go to last post

  17. Can anyone explain pinion height?

    Started by 25two.stroke, 03-14-2023 01:39 PM
    2 Attachment(s)
    • Replies: 8
    • Views: 268
    LakeFever
    03-22-2023, 02:51 PM Go to last post

  18. 260 ecu

    Started by Lurk lurqvest, 03-20-2023 03:46 AM
    • Replies: 2
    • Views: 178
    Lurk lurqvest
    03-21-2023, 07:16 AM Go to last post

  19. smartcraft to lowrance

    Started by rock, 03-19-2023 03:14 PM
    • Replies: 1
    • Views: 82
    25two.stroke
    03-20-2023, 01:40 PM Go to last post

  20. 300xs

    Started by wideglide55, 03-18-2023 10:54 AM
    • Replies: 4
    • Views: 215
    wideglide55
    03-19-2023, 02:25 PM Go to last post

  21. Jersey Speed Skiffs, engines, gears, caviatation etc.

    Started by User Name, 03-17-2023 06:13 PM
    • Replies: 8
    • Views: 193
    rgsauger
    03-18-2023, 09:41 PM Go to last post

  22. Mercury Tech: The Saga Continues... High water pressure causing overheating. 2.5

    Started by DieselDood, 03-13-2023 01:35 PM
    • Replies: 8
    • Views: 411
    rock
    03-17-2023, 03:05 PM Go to last post

  23. What coil number for a regular 225 opti?

    Started by XstreamVking, 03-07-2023 08:02 AM
    • Replies: 9
    • Views: 196
    InjectorService
    03-17-2023, 10:31 AM Go to last post

  24. VST delete

    Started by xpressman al, 06-21-2011 06:43 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 21
    • Views: 4,449
    tunnelmike
    03-16-2023, 07:29 AM Go to last post

  25. Sportmaster Driveshaft part #

    Started by stoneman, 03-15-2023 09:32 AM
    • Replies: 3
    • Views: 148
    Hydro2.5
    03-15-2023, 11:45 PM Go to last post

  26. Wood for trailer bunks…

    Started by rgsauger, 03-10-2023 12:09 AM
    2 Pages •
    1 2
    • Replies: 26
    • Views: 767
    Glastron1987
    03-15-2023, 06:31 PM Go to last post

  27. 220 xri

    Started by Glastron1987, 03-13-2023 08:46 PM
    • Replies: 11
    • Views: 329
    Glastron1987
    03-15-2023, 05:30 PM Go to last post

  28. Solid Mounts

    Started by InjectorService, 03-02-2023 09:26 PM
    • Replies: 11
    • Views: 471
    Chaz
    03-12-2023, 11:11 PM Go to last post

  29. How can I make my boat a little faster?

    Started by Spaceman Spiff, 02-02-2023 08:56 PM
    8 Pages •
    1 2 3 4 5 6 7 8
    5 Attachment(s)
    • Replies: 117
    • Views: 5,030
    David - WI
    03-12-2023, 02:41 PM Go to last post

  30. GT 150 Piston Ring Gap

    Started by StevenG10, 07-24-2014 06:28 PM
    • Replies: 7
    • Views: 418
    SJD1974
    03-12-2023, 01:48 PM Go to last post

  31. 2.5 drag crank polish

    Started by hollywood120, 03-05-2023 07:38 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 309
    hollywood120
    03-10-2023, 04:55 PM Go to last post

  32. Sportmaster 3.0 speedi sleeve

    Started by Canon20xrd, 03-03-2023 02:08 PM
    • Replies: 9
    • Views: 286
    Canon20xrd
    03-08-2023, 10:44 PM Go to last post

  33. Mercury Tech: All my flywheels are junk!

    Started by Smalltownbassin, 02-19-2023 07:50 AM
    16amp, flywheel, mercury, refurbish, repair 1 Attachment(s)
    • Replies: 8
    • Views: 517
    25two.stroke
    03-08-2023, 08:32 PM Go to last post

  34. How watertight is the impeller housing of a Merc

    Started by killerpirate, 03-05-2023 06:14 PM
    4 Attachment(s)
    • Replies: 8
    • Views: 317
    25two.stroke
    03-07-2023, 05:55 PM Go to last post

  35. 2.4L pistons

    Started by 25two.stroke, 03-04-2023 02:07 PM
    1 Attachment(s)
    • Replies: 8
    • Views: 370
    25two.stroke
    03-07-2023, 12:39 PM Go to last post

  36. Mercury Tech: 225 EFI injector flow rate?

    Started by racinfast002, 09-15-2019 03:08 PM
    4 Pages •
    1 2 3 4
    4 Attachment(s)
    • Replies: 46
    • Views: 2,504
    Chaz
    03-06-2023, 10:06 PM Go to last post

  37. serial # lookup help

    Started by largecar91, 03-06-2023 03:00 PM
    • Replies: 4
    • Views: 97
    largecar91
    03-06-2023, 03:48 PM Go to last post

  38. OMC Tech: V4 Crossflow 100hp, 125hp identification and thoughts.

    Started by Rabbo, 03-02-2023 02:49 PM
    6 Attachment(s)
    • Replies: 3
    • Views: 163
    Rabbo
    03-06-2023, 12:53 PM Go to last post

  39. OMC Tech: Identify Johnson 225HO Powerhead Without Pulling Head?

    Started by 225ho, 02-16-2023 05:26 PM
    • Replies: 4
    • Views: 262
    Instigator
    03-06-2023, 07:59 AM Go to last post

  40. Merc H2O Water Separator W/O sender

    Started by scott reierson, 03-05-2023 04:17 PM
    • Replies: 0
    • Views: 81
    scott reierson
    03-05-2023, 04:17 PM Go to last post
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