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Threads 81 to 120 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: 185,123
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. 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

  2. Johnson 225ho vs building a Johnson 200

    Started by Mhdairy, 03-29-2024 05:18 PM
    • Replies: 10
    • Views: 327
    racer
    04-03-2024, 08:59 AM Go to last post

  3. Rebuilding 1994 225 3l for bass boat

    Started by gguertin145, 02-05-2024 02:51 PM
    • Replies: 4
    • Views: 290
    Aaronhl
    02-06-2024, 03:22 PM Go to last post

  4. 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

  5. merc set back

    Started by KIRCHNER, 04-09-2024 08:58 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 275
    OnPad
    04-10-2024, 09:18 PM Go to last post

  6. Lower Unit Filler

    Started by 99fxst99, 03-20-2024 11:22 PM
    • Replies: 8
    • Views: 274
    OnPad
    03-22-2024, 01:46 PM Go to last post

  7. Trophy Propelles

    Started by Carter Powell, 03-18-2024 12:49 PM
    • Replies: 3
    • Views: 273
    David
    03-24-2024, 05:55 PM Go to last post

  8. Checking tilt and trim fluid

    Started by floater88, 04-07-2024 06:31 AM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 15
    • Views: 264
    Jim Speros
    04-08-2024, 11:54 AM Go to last post

  9. Merc 2.5 Water and Partial Dry Stack Question

    Started by Kdybalski, 04-02-2024 06:34 PM
    • Replies: 4
    • Views: 262
    Kdybalski
    04-04-2024, 04:21 PM Go to last post

  10. 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

  11. Mercruiser Trim Pump issue?

    Started by Carter Powell, 03-19-2024 04:40 PM
    • Replies: 8
    • Views: 260
    Carter Powell
    03-20-2024, 06:27 PM Go to last post

  12. Mercury Tech: 1978 2.4 powerhead swap. What fits?

    Started by Cheifjunk, 02-09-2024 06:59 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 253
    Cheifjunk
    02-10-2024, 12:10 PM Go to last post

  13. 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

  14. Control box up tilt goes down instead of up?

    Started by Carter Powell, 03-21-2024 12:03 PM
    • Replies: 7
    • Views: 249
    Chaz
    04-01-2024, 09:39 AM Go to last post

  15. Clever props

    Started by Titan222, 04-14-2024 08:10 PM
    7 Attachment(s)
    • Replies: 6
    • Views: 228
    Jim Speros
    04-15-2024, 10:15 PM Go to last post

  16. Bosch injector grommets

    Started by largecar91, 03-28-2024 11:00 AM
    • Replies: 11
    • Views: 225
    largecar91
    03-29-2024, 09:53 AM Go to last post

  17. Adding more heat to a 260 EFI Merc.

    Started by Carter Powell, 04-13-2024 01:16 PM
    • Replies: 5
    • Views: 223
    tlwjkw
    Yesterday, 12:05 PM Go to last post

  18. Bob's after market V6 tuner

    Started by wogi, 03-29-2024 09:35 PM
    • Replies: 3
    • Views: 220
    KIRCHNER
    03-30-2024, 07:45 AM Go to last post

  19. 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

  20. 1997 Mercury 225 HP Carbureted rpm issues

    Started by 21challanger, 04-14-2024 02:44 PM
    4 Attachment(s)
    • Replies: 9
    • Views: 210
    21challanger
    04-15-2024, 02:59 PM Go to last post

  21. Mercury Tech: 225 Optimax Service Manual PDF?

    Started by DieselDood, 03-12-2024 10:40 AM
    5 Attachment(s)
    • Replies: 10
    • Views: 196
    DieselDood
    03-18-2024, 02:09 PM Go to last post

  22. 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

  23. Mercury 300X Oil Pump Prime

    Started by NeedlesRat, 02-15-2024 02:27 AM
    • Replies: 1
    • Views: 176
    Chaz
    02-18-2024, 10:17 AM Go to last post

  24. Stripped flywheel nut

    Started by TommyWagner, 03-24-2024 09:37 PM
    stripped flywheel nut
    • Replies: 5
    • Views: 176
    derekfl
    03-25-2024, 09:03 AM Go to last post

  25. 400R repower

    Started by Wild Bill, 03-24-2024 07:58 PM
    • Replies: 0
    • Views: 173
    Wild Bill
    03-24-2024, 07:58 PM Go to last post

  26. 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

  27. 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

  28. Mercury Tech: 2000 Mercury 125hp (ELPTO) Oil delete

    Started by gerrydi69, 03-28-2024 08:40 AM
    125hp, 2000, mercury, oil delete 3 Attachment(s)
    • Replies: 6
    • Views: 164
    gerrydi69
    03-30-2024, 10:42 AM Go to last post

  29. Mercury 2.5 switchbox connections

    Started by JAA, 03-31-2024 07:19 PM
    • Replies: 5
    • Views: 163
    OnPad
    04-01-2024, 11:14 AM Go to last post

  30. Help to Id two inline 6 serial numbers

    Started by wogi, 03-01-2024 09:34 AM
    • Replies: 2
    • Views: 158
    wogi
    03-01-2024, 12:28 PM Go to last post

  31. 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

  32. Homemade tubular midsection ? x cat engine replica?

    Started by espen, 03-12-2024 08:24 PM
    • Replies: 0
    • Views: 147
    espen
    03-12-2024, 08:24 PM Go to last post

  33. Mercury Tech: WOT plug reading

    Started by croSSed, 04-13-2024 04:47 PM
    • Replies: 2
    • Views: 144
    KIRCHNER
    04-14-2024, 07:13 AM Go to last post

  34. a - Keystone (tapered) Piston Ring

    Started by Aaronhl, 04-06-2024 10:51 PM
    • Replies: 5
    • Views: 140
    Aaronhl
    04-09-2024, 09:21 AM Go to last post

  35. Rings 2.4 Bridge Port

    Started by Little boat that could, 04-13-2024 05:25 PM
    • Replies: 6
    • Views: 131
    Little boat that could
    04-13-2024, 07:53 PM Go to last post

  36. 2.0 merc poppet bypass

    Started by NRAINES38, 04-11-2024 08:18 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 130
    OnPad
    04-13-2024, 12:26 AM Go to last post

  37. LH CLE Rebuild

    Started by putt-putt, 03-09-2024 10:06 AM
    • Replies: 1
    • Views: 125
    25two.stroke
    03-12-2024, 12:13 PM Go to last post

  38. Old ECU value

    Started by largecar91, 04-09-2024 11:48 AM
    • Replies: 2
    • Views: 125
    largecar91
    04-09-2024, 06:14 PM Go to last post

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

    Started by trickcraft, 03-14-2024 10:06 PM
    • Replies: 1
    • Views: 123
    OnPad
    03-25-2024, 09:36 PM Go to last post

  40. 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
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