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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: 183,037
    09-20-2020, 11:40 AM Go to last post
  1. Mercury Tech: Cracks in 2.5L Mercury 20" Offshore Midsection

    Started by CDN27, Today 05:46 PM
    • Replies: 1
    • Views: 40
    Today, 07:59 PM Go to last post
    • Replies: 6
    • Views: 232
    Today, 05:57 PM Go to last post
  2. Broken 2.5L 1.87 box

    Started by NZ Sidewinder, 02-16-2024 05:38 PM
    • Replies: 11
    • Views: 442
    Yesterday, 05:56 AM Go to last post
  3. Mercury Tech: Optimax Maintenance at 100 hours

    Started by 4Speed, 11-18-2023 04:07 PM
    • Replies: 6
    • Views: 361
    02-18-2024, 12:57 PM Go to last post
  4. Air Traps on a Hydroplane

    Started by Spaceman Spiff, 02-07-2024 10:39 PM
    • Replies: 9
    • Views: 523
    02-18-2024, 11:54 AM Go to last post
  5. XRI vs EFI

    Started by Glastron1987, 02-17-2024 08:14 AM
    • Replies: 7
    • Views: 289
    02-18-2024, 11:13 AM Go to last post
  6. Mercury 300X Oil Pump Prime

    Started by NeedlesRat, 02-15-2024 02:27 AM
    • Replies: 1
    • Views: 121
    02-18-2024, 10:17 AM Go to last post
  7. Fuel tank fitting causing restriction?

    Started by Gilera, 02-17-2024 03:18 PM
    • Replies: 1
    • Views: 117
    02-17-2024, 03:59 PM Go to last post
  8. main jets

    Started by KIRCHNER, 02-15-2024 05:58 PM
    • Replies: 6
    • Views: 312
    02-16-2024, 11:18 AM Go to last post
  9. Northeast Machine shop services

    Started by noots, 02-08-2024 02:24 PM
    • Replies: 6
    • Views: 388
    02-16-2024, 03:15 AM Go to last post
  10. over-charging

    Started by KIRCHNER, 02-12-2024 06:49 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 774
    02-15-2024, 01:22 PM Go to last post
  11. 2.4 sleeve cracked?

    Started by Tforman, 02-08-2024 11:15 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 686
    02-15-2024, 05:42 AM Go to last post
  12. 300x block question?

    Started by malexie, 01-17-2024 09:57 PM
    • Replies: 5
    • Views: 792
    02-14-2024, 11:51 PM Go to last post
  13. Water pressure in a sportmaster at 60MPH

    Started by Carter Powell, 02-03-2024 08:54 PM
    • Replies: 11
    • Views: 574
    02-14-2024, 10:56 AM Go to last post
  14. Mercury Tech: Mercury 2.5 260 Engine builders Opinion / Advice needed.

    Started by 4-MULA-V, 02-11-2024 01:11 PM
    • Replies: 9
    • Views: 491
    02-13-2024, 01:32 PM Go to last post
  15. cold starts

    Started by KIRCHNER, 01-14-2024 05:17 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,315
    02-13-2024, 12:44 PM Go to last post
  16. 1989 Mariner 175Ski

    Started by Glastron1987, 07-27-2023 08:23 PM
    10 Pages
    1 2 3 4 5 6 7 8 9 10
    • Replies: 148
    • Views: 12,450
    02-12-2024, 11:00 PM Go to last post
  17. Changing out tilt motor on V4 crossflow.

    Started by Gilera, 02-12-2024 10:18 PM
    • Replies: 0
    • Views: 75
    02-12-2024, 10:18 PM Go to last post
  18. uflex helm

    Started by KIRCHNER, 01-19-2024 12:42 PM
    • Replies: 9
    • Views: 511
    02-12-2024, 05:58 PM Go to last post
  19. Mercury Tech: Optimax troubleshooting

    Started by Haggus900, 02-01-2024 04:15 AM
    optimax issues
    • Replies: 8
    • Views: 1,473
    02-11-2024, 12:34 PM Go to last post
  20. Mercury 3.0L EFI Slide Intake Wanted !!

    Started by Amatuer, 02-11-2024 01:19 AM
    • Replies: 2
    • Views: 108
    02-11-2024, 06:35 AM Go to last post
  21. 2.4 chrome bore decking?

    Started by Tforman, 02-01-2024 10:36 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,056
    02-10-2024, 06:19 PM Go to last post
  22. Mercury Tech: 1978 2.4 powerhead swap. What fits?

    Started by Cheifjunk, 02-09-2024 06:59 PM
    • Replies: 5
    • Views: 198
    02-10-2024, 12:10 PM Go to last post
  23. Mercury Tech: Mercury 225 Optimax Surging

    Started by DieselDood, 02-03-2024 11:36 PM
    • Replies: 13
    • Views: 464
    02-09-2024, 05:54 PM Go to last post
    • Replies: 9
    • Views: 1,891
    02-09-2024, 06:37 AM Go to last post
  24. 2000 200HP Merc. 2.5

    Started by skialot2, 11-09-2023 02:42 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 4,402
    02-08-2024, 04:16 PM Go to last post
  25. Bow lift struggle

    Started by NRAINES38, 02-04-2024 06:04 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 76
    • Views: 2,388
    02-08-2024, 12:14 PM Go to last post
  26. Rebuilding 1994 225 3l for bass boat

    Started by gguertin145, 02-05-2024 02:51 PM
    • Replies: 4
    • Views: 230
    02-06-2024, 03:22 PM Go to last post
  27. Merc 280 trigger wheel?

    Started by malexie, 01-27-2024 10:24 PM
    • Replies: 4
    • Views: 499
    02-04-2024, 09:44 AM Go to last post
  28. Mercury Tech: Cylinder replating

    Started by madoxusa, 01-26-2024 04:04 PM
    • Replies: 11
    • Views: 2,083
    02-02-2024, 12:35 PM Go to last post
  29. Mercury Tech: Help with 2.5 200 1996 identification

    Started by USAJOHNSON, 02-01-2024 12:51 PM
    • Replies: 2
    • Views: 325
    02-01-2024, 10:40 PM Go to last post
  30. Top main bearing life extender?

    Started by WATERWINGS, 08-18-2012 12:22 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 3,257
    02-01-2024, 05:46 PM Go to last post
  31. Mercury Tech: Hole size for one piece

    Started by FAST RALLY SPORT, 01-31-2024 12:40 PM
    • Replies: 4
    • Views: 355
    02-01-2024, 02:05 AM Go to last post
  32. Solid Motor mount compatibility

    Started by Fishwhisper, 01-25-2024 02:36 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,555
    01-31-2024, 10:31 AM Go to last post
  33. Cut down mid

    Started by myron, 01-27-2024 04:30 PM
    • Replies: 2
    • Views: 449
    01-31-2024, 08:08 AM Go to last post
  34. Another step closer to Electric Boats

    Started by slowJEEP, 01-29-2024 10:15 AM
    electric boat, the end is near
    • Replies: 6
    • Views: 490
    01-30-2024, 09:10 AM Go to last post
    • Replies: 3
    • Views: 557
    01-27-2024, 01:48 PM Go to last post
  35. OMC Tech: 1999 V4 Looper Phantom SLOW mode activation

    Started by 72lightning, 01-05-2024 01:00 AM
    • Replies: 4
    • Views: 611
    01-27-2024, 01:34 AM Go to last post
  36. 100 mercury project build

    Started by NRAINES38, 12-25-2023 10:06 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,931
    01-26-2024, 07:14 PM Go to last post

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