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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
    • Replies: 74
    • Views: 108,706
    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
    • Replies: 73
    • Views: 106,959
    08-15-2020, 04:04 PM Go to last post
  1. Yamaha Tech: 2005 50hp

    Started by Euroski, 05-15-2022 07:07 PM
    • Replies: 4
    • Views: 101
    Today, 12:28 PM Go to last post
  2. 150 inline wiring harness (to control box)

    Started by 99fxst99, Yesterday 06:44 PM
    • Replies: 2
    • Views: 91
    Today, 12:26 PM Go to last post
    • Replies: 0
    • Views: 27
    Today, 09:59 AM Go to last post
  3. Mercury Gen 2 Control Box

    Started by pbxcomm, Yesterday 04:47 PM
    • Replies: 0
    • Views: 39
    Yesterday, 04:47 PM Go to last post
  4. Mercury 15 HP race motor

    Started by Spectre22, 01-28-2019 10:11 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 5,218
    Yesterday, 04:19 PM Go to last post
  5. Power band question

    Started by merc1250bayliner, 05-20-2022 07:24 PM
    • Replies: 1
    • Views: 97
    Yesterday, 03:55 PM Go to last post
    • Replies: 13
    • Views: 321
    Yesterday, 11:55 AM Go to last post
  6. Indexing plugs

    Started by David, 04-21-2022 07:03 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 985
    Yesterday, 11:18 AM Go to last post
  7. VST set up? How to add a regulator?

    Started by LakeFever, Yesterday 10:20 AM
    • Replies: 0
    • Views: 43
    Yesterday, 10:20 AM Go to last post
  8. 140hp crossflow

    Started by Jmr1974, 05-12-2022 05:29 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 502
    Yesterday, 09:00 AM Go to last post
  9. timeing 2.5 200 carb

    Started by redsnapper386, 05-14-2022 05:59 PM
    • Replies: 10
    • Views: 272
    05-20-2022, 04:34 PM Go to last post
  10. Im stuck. Who builds sporties?

    Started by 25two.stroke, 05-20-2022 11:21 AM
    • Replies: 2
    • Views: 130
    05-20-2022, 01:58 PM Go to last post
  11. Post Simon Performance Technology Can repair Mercury ECU's

    Started by Simon, 09-21-2017 06:30 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 7,984
    05-20-2022, 12:40 PM Go to last post
  12. Turning OFF Features with SmartCraft Gauges?

    Started by CDN27, 05-20-2022 11:11 AM
    • Replies: 0
    • Views: 49
    05-20-2022, 11:11 AM Go to last post
  13. 2.5 carbs

    Started by redsnapper386, 05-17-2022 08:30 PM
    • Replies: 6
    • Views: 196
    05-20-2022, 06:27 AM Go to last post
  14. No more ecu remapping ??

    Started by LOSTINJ, 09-25-2020 08:26 AM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 96
    • Views: 4,275
    05-20-2022, 04:52 AM Go to last post
  15. 89 evinrude 150

    Started by Merc 2.5, 04-09-2022 04:19 PM
    • Replies: 6
    • Views: 313
    05-19-2022, 12:08 PM Go to last post
  16. Mariner 150 2.0l mods

    Started by merc1250bayliner, 12-26-2021 09:07 PM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 1,531
    05-19-2022, 11:36 AM Go to last post
  17. 1999 150 mercury efi timing

    Started by Apex2007, 05-15-2022 03:34 PM
    • Replies: 1
    • Views: 66
    05-19-2022, 10:59 AM Go to last post
  18. Mercury Tech: Custom poppet for 225 promax on 1 piece plate

    Started by simpson_3, 05-18-2022 04:38 PM
    • Replies: 2
    • Views: 117
    05-19-2022, 07:49 AM Go to last post
  19. 2.5 wiring SIMPLIFIED

    Started by chevymancooper, 05-18-2022 07:59 AM
    • Replies: 1
    • Views: 141
    05-18-2022, 10:05 PM Go to last post
  20. Intermittent loss of power (long winded 1st post)

    Started by 80Grady, 01-31-2022 08:40 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 1,377
    05-18-2022, 07:21 PM Go to last post
  21. Mercury 2.5 EFI 260 oil mixture

    Started by Alby28race, 05-08-2022 12:50 PM
    • Replies: 4
    • Views: 263
    05-18-2022, 06:35 AM Go to last post
  22. Mercury Tech: Building 225 promax SS

    Started by simpson_3, 05-09-2022 11:56 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 683
    05-17-2022, 11:57 PM Go to last post
    • Replies: 7
    • Views: 186
    05-17-2022, 03:13 PM Go to last post
  23. Mercury Tech: lower unit stuck in forward??

    Started by david martin, 04-10-2009 08:51 PM
    • Replies: 7
    • Views: 10,224
    05-17-2022, 02:36 PM Go to last post
  24. Jet sizes for 88 150 black max

    Started by SJD1974, 05-14-2022 06:47 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 328
    05-16-2022, 07:10 PM Go to last post
  25. OMC Tech: Fuel/compression

    Started by xvxccy, 05-16-2022 10:55 AM
    • Replies: 0
    • Views: 71
    05-16-2022, 10:55 AM Go to last post
  26. My first 3.0L EFI 225 Issue

    Started by Aaronhl, 05-02-2022 04:12 PM
    • Replies: 6
    • Views: 209
    05-16-2022, 09:33 AM Go to last post
  27. Mercury Tech: oil injection

    Started by hobbymad, 04-22-2022 08:52 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 648
    05-16-2022, 08:29 AM Go to last post
  28. 89 rude 225 water tube question

    Started by seef158, 05-15-2022 10:05 PM
    • Replies: 1
    • Views: 74
    05-16-2022, 07:47 AM Go to last post
  29. 2005 300x - oil delete or not?

    Started by Choppo21, 05-15-2022 06:18 PM
    • Replies: 1
    • Views: 89
    05-15-2022, 09:39 PM Go to last post
  30. 1987 charger 18ft dl white

    Started by Apex2007, 05-11-2022 11:13 AM
    • Replies: 6
    • Views: 238
    05-15-2022, 08:30 PM Go to last post
  31. powerhead swap

    Started by DENNIS R SKAGGS, 05-15-2022 09:01 AM
    • Replies: 1
    • Views: 82
    05-15-2022, 11:35 AM Go to last post
  32. Mercury Outboard Head Bolt Torque?

    Started by Air Dog, 06-30-2006 06:45 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 22,647
    05-14-2022, 01:03 PM Go to last post
  33. Nitrous Questions...

    Started by boataddict26, 05-10-2022 09:03 PM
    • Replies: 2
    • Views: 228
    05-14-2022, 09:26 AM Go to last post
  34. 93 175 merc low idle problem

    Started by FAST-J, 05-13-2022 05:40 PM
    • Replies: 3
    • Views: 121
    05-14-2022, 01:09 AM Go to last post
  35. Yamaha Tech: Yamaha 3.1 ox66 lower unit on a 2.6 engine?

    Started by reacler, 05-03-2022 03:27 PM
    • Replies: 4
    • Views: 158
    05-13-2022, 11:06 PM Go to last post
  36. Need a gear made

    Started by Merc 2.5, 05-10-2022 07:02 PM
    • Replies: 8
    • Views: 381
    05-12-2022, 10:54 PM Go to last post
  37. Modified 150 2.0 Mariner idle problems

    Started by merc1250bayliner, 04-22-2022 01:21 PM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 1,033
    05-12-2022, 10:42 AM Go to last post

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