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Threads 1 to 40 of 158

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: 128,158
    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: 126,585
    FORBESAUTO
    08-15-2020, 04:04 PM Go to last post

  1. Out Of Water Testing / Muffs / Backpressure

    Started by InjectorService, Today 12:21 PM
    • Replies: 2
    • Views: 75
    InjectorService
    Today, 01:51 PM Go to last post

  2. 260 ecu

    Started by Lurk lurqvest, Yesterday 03:46 AM
    • Replies: 2
    • Views: 131
    Lurk lurqvest
    Today, 07:16 AM Go to last post

  3. 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: 18
    • Views: 319
    Jay0016
    Yesterday, 06:40 PM Go to last post

  4. smartcraft to lowrance

    Started by rock, 03-19-2023 03:14 PM
    • Replies: 1
    • Views: 69
    25two.stroke
    Yesterday, 01:40 PM Go to last post

  5. 300xs

    Started by wideglide55, 03-18-2023 10:54 AM
    • Replies: 4
    • Views: 188
    wideglide55
    03-19-2023, 02:25 PM Go to last post

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

    Started by User Name, 03-17-2023 06:13 PM
    • Replies: 8
    • Views: 178
    rgsauger
    03-18-2023, 09:41 PM Go to last post

  7. F - N - R Gear shift issue

    Started by Aaronhl, 03-16-2023 10:09 PM
    • Replies: 10
    • Views: 285
    David - WI
    03-17-2023, 06:47 PM Go to last post

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

    Started by DieselDood, 03-13-2023 01:35 PM
    • Replies: 8
    • Views: 376
    rock
    03-17-2023, 03:05 PM Go to last post

  9. What coil number for a regular 225 opti?

    Started by XstreamVking, 03-07-2023 08:02 AM
    • Replies: 9
    • Views: 187
    InjectorService
    03-17-2023, 10:31 AM Go to last post

  10. VST delete

    Started by xpressman al, 06-21-2011 06:43 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 21
    • Views: 4,419
    tunnelmike
    03-16-2023, 07:29 AM Go to last post

  11. Sportmaster Driveshaft part #

    Started by stoneman, 03-15-2023 09:32 AM
    • Replies: 3
    • Views: 137
    Hydro2.5
    03-15-2023, 11:45 PM Go to last post

  12. Wood for trailer bunks…

    Started by rgsauger, 03-10-2023 12:09 AM
    2 Pages •
    1 2
    • Replies: 26
    • Views: 748
    Glastron1987
    03-15-2023, 06:31 PM Go to last post

  13. 220 xri

    Started by Glastron1987, 03-13-2023 08:46 PM
    • Replies: 11
    • Views: 315
    Glastron1987
    03-15-2023, 05:30 PM Go to last post

  14. Anyone have problems with water in fuel

    Started by CUDA, 03-13-2023 11:03 PM
    • Replies: 2
    • Views: 140
    rgsauger
    03-14-2023, 10:34 PM Go to last post

  15. Can anyone explain pinion height?

    Started by 25two.stroke, 03-14-2023 01:39 PM
    2 Attachment(s)
    • Replies: 3
    • Views: 152
    25two.stroke
    03-14-2023, 02:55 PM Go to last post

  16. Solid Mounts

    Started by InjectorService, 03-02-2023 09:26 PM
    • Replies: 11
    • Views: 460
    Chaz
    03-12-2023, 11:11 PM Go to last post

  17. 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: 5,019
    David - WI
    03-12-2023, 02:41 PM Go to last post

  18. GT 150 Piston Ring Gap

    Started by StevenG10, 07-24-2014 06:28 PM
    • Replies: 7
    • Views: 411
    SJD1974
    03-12-2023, 01:48 PM Go to last post

  19. 2.5 drag crank polish

    Started by hollywood120, 03-05-2023 07:38 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 299
    hollywood120
    03-10-2023, 04:55 PM Go to last post

  20. 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

  21. 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: 506
    25two.stroke
    03-08-2023, 08:32 PM Go to last post

  22. How watertight is the impeller housing of a Merc

    Started by killerpirate, 03-05-2023 06:14 PM
    4 Attachment(s)
    • Replies: 8
    • Views: 314
    25two.stroke
    03-07-2023, 05:55 PM Go to last post

  23. 2.4L pistons

    Started by 25two.stroke, 03-04-2023 02:07 PM
    1 Attachment(s)
    • Replies: 8
    • Views: 358
    25two.stroke
    03-07-2023, 12:39 PM Go to last post

  24. 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: 2,483
    Chaz
    03-06-2023, 10:06 PM Go to last post

  25. serial # lookup help

    Started by largecar91, 03-06-2023 03:00 PM
    • Replies: 4
    • Views: 96
    largecar91
    03-06-2023, 03:48 PM Go to last post

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

    Started by Rabbo, 03-02-2023 02:49 PM
    6 Attachment(s)
    • Replies: 3
    • Views: 160
    Rabbo
    03-06-2023, 12:53 PM Go to last post

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

    Started by 225ho, 02-16-2023 05:26 PM
    • Replies: 4
    • Views: 261
    Instigator
    03-06-2023, 07:59 AM Go to last post

  28. Merc H2O Water Separator W/O sender

    Started by scott reierson, 03-05-2023 04:17 PM
    • Replies: 0
    • Views: 74
    scott reierson
    03-05-2023, 04:17 PM Go to last post

  29. Help identify Merc lower unit!

    Started by drdriver, 03-05-2023 01:31 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 147
    Jim Speros
    03-05-2023, 03:49 PM Go to last post

  30. 1998 Promax 3.0 Sportmaster Gearl Oil - High Performance or Extreme Performance?

    Started by Basnova, 03-05-2023 11:28 AM
    • Replies: 0
    • Views: 76
    Basnova
    03-05-2023, 11:28 AM Go to last post

  31. 2l exhaust chest work/porting

    Started by SJD1974, 01-31-2023 06:55 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 26
    • Views: 1,047
    SJD1974
    03-05-2023, 11:13 AM Go to last post

  32. 1980 mercury 800 Tachometer

    Started by fatlenny, 03-05-2023 06:38 AM
    • Replies: 0
    • Views: 66
    fatlenny
    03-05-2023, 06:38 AM Go to last post

  33. Did OMC have "pressure backed piston rings"?

    Started by David, 01-24-2023 12:41 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 23
    • Views: 987
    David - WI
    03-04-2023, 04:12 PM Go to last post

  34. Early 80’s Evinrude questions.

    Started by Kegroom, 03-04-2023 10:53 AM
    3 Attachment(s)
    • Replies: 0
    • Views: 122
    Kegroom
    03-04-2023, 10:53 AM Go to last post

  35. jack plate setback too much?

    Started by fatlenny, 03-03-2023 10:14 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 270
    Pulsare2400
    03-04-2023, 12:10 AM Go to last post

  36. Mercury Tech: Mercury V6 150hp outboard - need help getting it running

    Started by DanH, 12-16-2022 10:01 PM
    3 Pages •
    1 2 3
    #150, #help, #mercury, #v6 2 Attachment(s)
    • Replies: 43
    • Views: 2,780
    DanH
    03-03-2023, 05:23 PM Go to last post

  37. Adding p trim to a 1968 johnson 55hp

    Started by Wellcraf, 03-03-2023 08:56 AM
    • Replies: 3
    • Views: 80
    Wellcraf
    03-03-2023, 11:33 AM Go to last post

  38. Offshore stainless plate behind the powerhead steering

    Started by buzmacdowell, 03-02-2023 07:05 PM
    • Replies: 3
    • Views: 125
    FUJIMO
    03-02-2023, 10:25 PM Go to last post

  39. Anyone know what a rude 4L V8 bare block weighs

    Started by ratman67, 02-27-2023 03:38 PM
    • Replies: 14
    • Views: 399
    ratman67
    03-02-2023, 06:57 PM Go to last post

  40. 1987 mercury 115 inline exhaust, crank case torque sequence and torque

    Started by waterguy123, 03-01-2023 12:52 AM
    1 Attachment(s)
    • Replies: 0
    • Views: 87
    waterguy123
    03-01-2023, 12:52 AM Go to last post
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