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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: 184,895
    09-20-2020, 11:40 AM Go to last post
  1. Mercury Tech: 225 Optimax Service Manual PDF?

    Started by DieselDood, 03-12-2024 10:40 AM
    • Replies: 10
    • Views: 136
    Today, 02:09 PM Go to last post
  2. Trophy Propelles

    Started by Carter Powell, Today 12:49 PM
    • Replies: 0
    • Views: 39
    Today, 12:49 PM Go to last post
  3. Lower unit re and re guts. Time?

    Started by LakeFever, 03-13-2024 03:58 PM
    • Replies: 4
    • Views: 196
    Yesterday, 08:47 PM Go to last post
    • Replies: 4
    • Views: 200
    03-16-2024, 04:17 AM Go to last post
  4. Mercury Tech: 2.4 Bridgeport Fuel rail fitting style and size?

    Started by trickcraft, 03-14-2024 10:06 PM
    • Replies: 0
    • Views: 58
    03-14-2024, 10:06 PM Go to last post
  5. Mercury Tech: We Repair Mercury Marine ECU's

    Started by Simon, 03-14-2024 04:25 PM
    • Replies: 0
    • Views: 106
    03-14-2024, 04:25 PM Go to last post
  6. Yamaha 3.3l vmax lower-> 2.6l

    Started by Mike_83, 03-14-2024 04:19 PM
    • Replies: 0
    • Views: 47
    03-14-2024, 04:19 PM Go to last post
  7. Northeast Machine shop services

    Started by noots, 02-08-2024 02:24 PM
    • Replies: 7
    • Views: 765
    03-13-2024, 07:38 PM Go to last post
  8. 2.5L Jet Sizes

    Started by 99fxst99, 03-12-2024 05:56 PM
    • Replies: 3
    • Views: 174
    03-13-2024, 01:23 PM Go to last post
  9. efi temp sensor

    Started by KIRCHNER, 03-12-2024 12:22 PM
    • Replies: 3
    • Views: 174
    03-13-2024, 08:05 AM Go to last post
  10. Homemade tubular midsection ? x cat engine replica?

    Started by espen, 03-12-2024 08:24 PM
    • Replies: 0
    • Views: 110
    03-12-2024, 08:24 PM Go to last post
  11. XRI vs EFI

    Started by Glastron1987, 02-17-2024 08:14 AM
    • Replies: 13
    • Views: 671
    03-12-2024, 06:00 PM Go to last post
  12. LH CLE Rebuild

    Started by putt-putt, 03-09-2024 10:06 AM
    • Replies: 1
    • Views: 101
    03-12-2024, 12:13 PM Go to last post
  13. 1987 evinrude 90hp overheating on starboard pots

    Started by spybot, 03-11-2024 04:12 PM
    • Replies: 3
    • Views: 110
    03-12-2024, 04:15 AM Go to last post
  14. main jets

    Started by KIRCHNER, 02-15-2024 05:58 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,155
    03-11-2024, 08:04 AM Go to last post
  15. Question Mercury Tech: 2001 Mercury 4 Stroke 90 hp rev limit issue 2000 RPM max

    Started by LaveyT, 03-10-2024 02:04 PM
    • Replies: 0
    • Views: 68
    03-10-2024, 02:04 PM Go to last post
  16. Yamaha Tech: Yamaha 2.6L Frankenstein build

    Started by 225XCL, 05-25-2014 07:01 PM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 97
    • Views: 11,435
    03-09-2024, 08:20 PM Go to last post
  17. High water pressure 225 promax

    Started by Bunger, 05-24-2020 10:32 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 87
    • Views: 3,861
    03-07-2024, 07:25 AM Go to last post
  18. Fuel tank fitting causing restriction?

    Started by Gilera, 02-17-2024 03:18 PM
    • Replies: 4
    • Views: 320
    03-06-2024, 03:32 PM Go to last post
  19. Mercury Tech: 2.5 Merc engine damage

    Started by moldman, 03-02-2024 12:01 PM
    • Replies: 7
    • Views: 479
    03-05-2024, 12:54 PM Go to last post
  20. merc custom exhaust for standard midsections

    Started by Talon2.5, 10-12-2002 06:10 PM
    12 Pages
    1 2 3 4 5 6 7 8 9 10 ... 12
    • Replies: 179
    • Views: 79,335
    03-03-2024, 11:18 PM Go to last post
  21. Land and Sea mechanical fuel injection

    Started by swamppanther, 11-21-2015 10:33 PM
    • Replies: 11
    • Views: 926
    03-03-2024, 02:57 AM Go to last post
  22. Verado info needed

    Started by PaulR, 09-07-2023 06:53 PM
    • Replies: 5
    • Views: 490
    03-02-2024, 08:03 PM Go to last post
  23. Changing out tilt motor on V4 crossflow.

    Started by Gilera, 02-12-2024 10:18 PM
    • Replies: 3
    • Views: 311
    03-02-2024, 07:53 PM Go to last post
  24. Pro Max 2.5 two stroke oil

    Started by creeljd, 02-26-2024 05:18 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 799
    03-02-2024, 11:25 AM Go to last post
  25. Help to Id two inline 6 serial numbers

    Started by wogi, 03-01-2024 09:34 AM
    • Replies: 2
    • Views: 149
    03-01-2024, 12:28 PM Go to last post
  26. Racheting/ non racheting gears and dogs.

    Started by NZ Sidewinder, 02-23-2024 04:27 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 1,060
    02-29-2024, 03:07 PM Go to last post
  27. ID750 Fuel filters for 280.

    Started by WiseCraft, 02-29-2024 12:32 PM
    • Replies: 0
    • Views: 95
    02-29-2024, 12:32 PM Go to last post
  28. Mercury Formula Race 60 - Water Pickup Questions

    Started by wildrunner, 12-19-2023 12:47 PM
    5 Pages
    1 2 3 4 5
    • Replies: 64
    • Views: 4,278
    02-28-2024, 09:31 PM Go to last post
  29. CMC Jackplate motor rebuilt to run faster.

    Started by Carter Powell, 02-26-2024 12:57 PM
    • Replies: 1
    • Views: 169
    02-28-2024, 07:55 PM Go to last post
  30. 1991 Mercury 200XRI voltage and idle issue

    Started by 88MCPS200, 08-13-2023 09:29 PM
    • Replies: 7
    • Views: 563
    02-28-2024, 12:13 PM Go to last post
  31. Gaskets for a Rebuild

    Started by gguertin145, 02-23-2024 04:01 PM
    • Replies: 3
    • Views: 206
    02-23-2024, 06:37 PM Go to last post
  32. mid section repair

    Started by gguertin145, 02-21-2024 03:03 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,066
    02-23-2024, 10:25 AM Go to last post
  33. 98 RON non ethanol vs 95 RON E10

    Started by Toffen, 02-22-2024 03:09 PM
    • Replies: 1
    • Views: 154
    02-23-2024, 10:12 AM Go to last post
  34. Broken 2.5L 1.87 box

    Started by NZ Sidewinder, 02-16-2024 05:38 PM
    • Replies: 12
    • Views: 662
    02-23-2024, 03:47 AM Go to last post
  35. Which fuel pump to replace the VST? 225 ProMax

    Started by ssv1761982, 02-19-2024 09:40 AM
    • Replies: 7
    • Views: 439
    02-23-2024, 02:12 AM Go to last post
  36. Merc 280 trigger wheel?

    Started by malexie, 01-27-2024 10:24 PM
    • Replies: 5
    • Views: 598
    02-22-2024, 09:55 AM Go to last post
  37. Mercury Tech: Optimax Maintenance at 100 hours

    Started by 4Speed, 11-18-2023 04:07 PM
    • Replies: 6
    • Views: 413
    02-18-2024, 12:57 PM Go to last post

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