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Threads 1 to 40 of 134

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: 185,246
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 1.75 Gear Set Instruction Sheet

    Started by Onetime, 03-26-2024 06:52 PM
    • Replies: 0
    • Views: 71
    Onetime
    03-26-2024, 06:52 PM Go to last post

  2. Mercury 450r wiring diagrams for rigging?

    Started by 724Bravo, 01-20-2024 04:10 PM
    • Replies: 0
    • Views: 260
    724Bravo
    01-20-2024, 04:10 PM Go to last post

  3. ID750 Fuel filters for 280.

    Started by WiseCraft, 02-29-2024 12:32 PM
    • Replies: 0
    • Views: 101
    WiseCraft
    02-29-2024, 12:32 PM Go to last post

  4. Homemade tubular midsection ? x cat engine replica?

    Started by espen, 03-12-2024 08:24 PM
    • Replies: 0
    • Views: 149
    espen
    03-12-2024, 08:24 PM Go to last post

  5. Yamaha 3.3l vmax lower-> 2.6l

    Started by Mike_83, 03-14-2024 04:19 PM
    • Replies: 0
    • Views: 63
    Mike_83
    03-14-2024, 04:19 PM Go to last post

  6. Mercury Tech: We Repair Mercury Marine ECU's

    Started by Simon, 03-14-2024 04:25 PM
    • Replies: 0
    • Views: 156
    Simon
    03-14-2024, 04:25 PM Go to last post

  7. 400R repower

    Started by Wild Bill, 03-24-2024 07:58 PM
    • Replies: 0
    • Views: 176
    Wild Bill
    03-24-2024, 07:58 PM Go to last post

  8. 02 Mercury 225 Optimax fuel/air Issue!

    Started by Boatrescue, 03-27-2024 12:13 PM
    • Replies: 0
    • Views: 92
    Boatrescue
    03-27-2024, 12:13 PM Go to last post

  9. Mercury V6 dimensions

    Started by wettek, 04-14-2024 03:07 AM
    • Replies: 0
    • Views: 114
    wettek
    04-14-2024, 03:07 AM Go to last post

  10. thermostat logistics?

    Started by rudderless, 01-14-2024 11:09 PM
    • Replies: 1
    • Views: 382
    racer
    01-15-2024, 09:51 AM Go to last post

  11. 3.0 LH sport master

    Started by 265mercman, 04-08-2024 05:57 AM
    • Replies: 1
    • Views: 99
    265mercman
    04-09-2024, 11:16 AM Go to last post

  12. Mercury 300X Oil Pump Prime

    Started by NeedlesRat, 02-15-2024 02:27 AM
    • Replies: 1
    • Views: 177
    Chaz
    02-18-2024, 10:17 AM Go to last post

  13. 98 RON non ethanol vs 95 RON E10

    Started by Toffen, 02-22-2024 03:09 PM
    • Replies: 1
    • Views: 167
    racervboat
    02-23-2024, 10:12 AM Go to last post

  14. CMC Jackplate motor rebuilt to run faster.

    Started by Carter Powell, 02-26-2024 12:57 PM
    • Replies: 1
    • Views: 178
    donmac
    02-28-2024, 07:55 PM Go to last post

  15. LH CLE Rebuild

    Started by putt-putt, 03-09-2024 10:06 AM
    • Replies: 1
    • Views: 126
    25two.stroke
    03-12-2024, 12:13 PM Go to last post

  16. Mercury Tech: 2.4 Bridgeport Fuel rail fitting style and size?

    Started by trickcraft, 03-14-2024 10:06 PM
    • Replies: 1
    • Views: 125
    OnPad
    03-25-2024, 09:36 PM Go to last post

  17. Charging System / Ignition Help

    Started by Jackson007, 04-08-2024 08:51 PM
    • Replies: 1
    • Views: 115
    OnPad
    04-09-2024, 11:06 AM Go to last post

  18. Mercury Tech: Thoughts on break-in period for a rebuilt Merc 2-stroke

    Started by paradak, 04-11-2024 06:39 AM
    • Replies: 1
    • Views: 109
    LakeFever
    04-11-2024, 06:56 AM Go to last post

  19. Lightest 12" or 6" setback manual jackplate rated for merc 300 xs or 300r

    Started by scott reierson, 01-24-2024 06:27 PM
    • Replies: 2
    • Views: 460
    scott reierson
    01-26-2024, 09:55 PM Go to last post

  20. Cut down mid

    Started by myron, 01-27-2024 04:30 PM
    • Replies: 2
    • Views: 499
    ChrisCarsonMarine
    01-31-2024, 08:08 AM Go to last post

  21. Mercury Tech: Help with 2.5 200 1996 identification

    Started by USAJOHNSON, 02-01-2024 12:51 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 360
    USAJOHNSON
    02-01-2024, 10:40 PM Go to last post

  22. Mercury 3.0L EFI Slide Intake Wanted !!

    Started by Amatuer, 02-11-2024 01:19 AM
    1 Attachment(s)
    • Replies: 2
    • Views: 165
    Amatuer
    02-11-2024, 06:35 AM Go to last post

  23. Has anyone tried the newer style CDI coils on older V4 OMC motors?

    Started by Gilera, 03-07-2024 04:25 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 253
    espen
    03-12-2024, 07:33 PM Go to last post

  24. Help to Id two inline 6 serial numbers

    Started by wogi, 03-01-2024 09:34 AM
    • Replies: 2
    • Views: 160
    wogi
    03-01-2024, 12:28 PM Go to last post

  25. 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: 2
    • Views: 122
    faztbullet
    03-26-2024, 09:34 AM Go to last post

  26. Mercury Tech: driveshaft housings to fit sportmaster

    Started by wolfgangb, 03-30-2024 08:45 AM
    • Replies: 2
    • Views: 92
    wolfgangb
    04-04-2024, 08:03 AM Go to last post

  27. Mercury Optimax: VST compatiblity

    Started by Flinko, 04-08-2024 01:46 AM
    • Replies: 2
    • Views: 124
    Flinko
    04-11-2024, 04:59 AM Go to last post

  28. Old ECU value

    Started by largecar91, 04-09-2024 11:48 AM
    • Replies: 2
    • Views: 132
    largecar91
    04-09-2024, 06:14 PM Go to last post

  29. Mercury Tech: WOT plug reading

    Started by croSSed, 04-13-2024 04:47 PM
    • Replies: 2
    • Views: 165
    KIRCHNER
    04-14-2024, 07:13 AM Go to last post

  30. Overheating and Assembly Advice

    Started by JoshH, 04-16-2024 07:09 PM
    6 Attachment(s)
    • Replies: 2
    • Views: 106
    Jim Speros
    04-16-2024, 09:03 PM Go to last post

  31. 260 race cowl rubber skirt nuts or hardware question

    Started by LakeFever, Yesterday 08:59 AM
    • Replies: 2
    • Views: 82
    LakeFever
    Today, 04:45 AM Go to last post

  32. Opinion about jack plate on single cat application (skater 21)

    Started by LeonardG, 12-30-2023 02:40 AM
    2 Attachment(s)
    • Replies: 3
    • Views: 579
    LeonardG
    01-27-2024, 01:48 PM Go to last post

  33. 3 ram trim pump assembly faulty

    Started by Aaronhl, 01-13-2024 01:07 PM
    • Replies: 3
    • Views: 632
    Aaronhl
    01-17-2024, 08:27 PM Go to last post

  34. Changing out tilt motor on V4 crossflow.

    Started by Gilera, 02-12-2024 10:18 PM
    • Replies: 3
    • Views: 334
    Revenge22
    03-02-2024, 07:53 PM Go to last post

  35. Gaskets for a Rebuild

    Started by gguertin145, 02-23-2024 04:01 PM
    • Replies: 3
    • Views: 215
    OnPad
    02-23-2024, 06:37 PM Go to last post

  36. 1987 evinrude 90hp overheating on starboard pots

    Started by spybot, 03-11-2024 04:12 PM
    4 Attachment(s)
    • Replies: 3
    • Views: 118
    powerabout
    03-12-2024, 04:15 AM Go to last post

  37. 2.5L Jet Sizes

    Started by 99fxst99, 03-12-2024 05:56 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 275
    David - WI
    03-13-2024, 01:23 PM Go to last post

  38. Trophy Propelles

    Started by Carter Powell, 03-18-2024 12:49 PM
    • Replies: 3
    • Views: 277
    David
    03-24-2024, 05:55 PM Go to last post

  39. 2.0 merc poppet bypass

    Started by NRAINES38, 04-11-2024 08:18 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 144
    OnPad
    04-13-2024, 12:26 AM Go to last post

  40. Mercury Tech: 2.4L One Piece Heads

    Started by croSSed, 04-18-2024 11:55 PM
    • Replies: 3
    • Views: 95
    David - WI
    04-19-2024, 01:00 AM Go to last post
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