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Threads 1 to 40 of 291

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: 164,903
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. Twisters Timing and Trigonometry

    Started by dagodiver, Today 08:31 AM
    3 Attachment(s)
    • Replies: 0
    • Views: 22
    dagodiver
    Today, 08:31 AM Go to last post

  2. Dual plug land and sea 2.4 heads

    Started by 62 bugzilla, 09-25-2023 03:33 PM
    • Replies: 8
    • Views: 291
    rock
    Today, 08:25 AM Go to last post

  3. Pistion ring pin

    Started by ivlakeman, 09-29-2023 08:36 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 18
    • Views: 559
    rock
    Today, 08:21 AM Go to last post

  4. 1989 Mariner 175Ski

    Started by Glastron1987, 07-27-2023 08:23 PM
    4 Pages •
    1 2 3 4
    11 Attachment(s)
    • Replies: 56
    • Views: 2,452
    Glastron1987
    Today, 06:25 AM Go to last post

  5. If I did this, would I get that? Yamaha 300hpdi Southwind SF655 - Brisbane/Australia

    Started by foodie, 09-30-2023 06:17 AM
    • Replies: 3
    • Views: 168
    foodie
    Today, 01:36 AM Go to last post

  6. Crankshaft sleeve

    Started by skialot2, 09-27-2023 12:13 AM
    3 Attachment(s)
    • Replies: 9
    • Views: 348
    265mercman
    Today, 12:34 AM Go to last post

  7. 5 Petal or 7 Petal Reeds for High RPM on Merc Drag Motor

    Started by CI STV, 02-03-2022 10:31 AM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 26
    • Views: 1,774
    CI STV
    Yesterday, 11:03 PM Go to last post

  8. Uflex hyd helm

    Started by KIRCHNER, Yesterday 05:56 PM
    • Replies: 1
    • Views: 69
    skialot2
    Yesterday, 10:47 PM Go to last post

  9. 300x sport master pinion shimming tools

    Started by Wild Bill, Yesterday 09:49 AM
    • Replies: 4
    • Views: 112
    hooken203
    Yesterday, 09:45 PM Go to last post

  10. Trim and tilt help

    Started by Punteh, 10-01-2023 09:31 PM
    • Replies: 4
    • Views: 163
    Punteh
    Yesterday, 09:33 PM Go to last post

  11. Heat sink compound?

    Started by hooken203, Yesterday 09:32 PM
    1 Attachment(s)
    • Replies: 0
    • Views: 41
    hooken203
    Yesterday, 09:32 PM Go to last post

  12. Wh 20, anyone have pics of slosh plates and tubes installation?

    Started by mrcrsr, Yesterday 08:44 AM
    • Replies: 1
    • Views: 78
    tlwjkw
    Yesterday, 04:00 PM Go to last post

  13. 2.4 200 Build for large aluminum boat

    Started by AlafanGT, 09-28-2023 10:21 AM
    • Replies: 7
    • Views: 281
    pcrussell50
    Yesterday, 02:37 PM Go to last post

  14. Vapor separator tank delete for 99 225hp efi Mercury outboard

    Started by gerrydi69, 07-31-2023 07:26 AM
    delete, float pin, vapor separator tank 12 Attachment(s)
    • Replies: 8
    • Views: 407
    gerrydi69
    Yesterday, 12:19 PM Go to last post

  15. Omc nitro lower unit

    Started by xvxccy, 10-01-2023 08:48 AM
    • Replies: 1
    • Views: 146
    keith scotton
    Yesterday, 08:15 AM Go to last post

  16. Post Chasing a Yamaha 300hpdi service manual

    Started by foodie, 10-01-2023 11:57 PM
    • Replies: 0
    • Views: 48
    foodie
    10-01-2023, 11:57 PM Go to last post

  17. Homemade offshore mid.

    Started by skialot2, 08-22-2023 01:57 AM
    12 Attachment(s)
    • Replies: 13
    • Views: 998
    RONNIE
    10-01-2023, 09:28 PM Go to last post

  18. Question Mercury Tech: MERCURY Repair Manual for 1980 80hp 2-stroke 4-cylinder

    Started by bubba2262, 10-03-2019 10:27 AM
    • Replies: 3
    • Views: 724
    Bowl-O-Tuna
    10-01-2023, 08:24 PM Go to last post

  19. Mercury Tech: Optimax Compressor Question

    Started by 4Speed, 10-01-2023 05:46 PM
    • Replies: 0
    • Views: 48
    4Speed
    10-01-2023, 05:46 PM Go to last post

  20. mercury 849ecu

    Started by xvxccy, 10-01-2023 08:50 AM
    • Replies: 0
    • Views: 49
    xvxccy
    10-01-2023, 08:50 AM Go to last post

  21. To my Looper fans….

    Started by Instigator, 09-27-2023 05:45 PM
    2 Attachment(s)
    • Replies: 7
    • Views: 365
    Instigator
    09-30-2023, 08:24 PM Go to last post

  22. Questions on friends 2007 Optimax 225, Was Fine Now No Spark?

    Started by dave911, 09-29-2023 01:38 PM
    • Replies: 4
    • Views: 159
    dave911
    09-30-2023, 03:58 PM Go to last post

  23. 2004 Mercury 250xs

    Started by tabme, 09-30-2023 06:48 AM
    • Replies: 1
    • Views: 58
    XstreamVking
    09-30-2023, 08:03 AM Go to last post

  24. CLE Prop Shaft Question

    Started by Carter Powell, 09-05-2023 03:33 PM
    • Replies: 9
    • Views: 482
    Carter Powell
    09-29-2023, 08:15 PM Go to last post

  25. Model year 2000 2.5L 200 EFI

    Started by VkingMike, 09-25-2023 08:25 AM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 15
    • Views: 402
    25two.stroke
    09-29-2023, 11:37 AM Go to last post

  26. Mercury 135 Black Max repeat switch box failures

    Started by ikessky, 09-21-2023 03:57 PM
    • Replies: 13
    • Views: 435
    LakeFever
    09-29-2023, 06:54 AM Go to last post

  27. Gear Ratio

    Started by Titan222, 09-27-2023 05:02 PM
    • Replies: 2
    • Views: 161
    Titan222
    09-28-2023, 01:44 PM Go to last post

  28. 260 Big Bearing Crank?

    Started by stoneman, 09-27-2023 08:18 AM
    • Replies: 8
    • Views: 257
    tlwjkw
    09-28-2023, 10:47 AM Go to last post

  29. New to me 2.4L Bridgeport EFI no start / fuel system questions

    Started by mxr181, 09-10-2023 10:54 PM
    10 Pages •
    1 2 3 4 5 6 7 8 9 10
    54 Attachment(s)
    • Replies: 136
    • Views: 4,231
    pcrussell50
    09-26-2023, 05:58 PM Go to last post

  30. Help missing divider plate 181032

    Started by skialot2, 09-24-2023 09:13 PM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 18
    • Views: 452
    tlwjkw
    09-26-2023, 04:32 PM Go to last post

  31. 2.5 280 Crank failures ????

    Started by Kiwi Dave, 03-20-2008 04:34 AM
    • Replies: 11
    • Views: 1,137
    wolfgangb
    09-26-2023, 10:33 AM Go to last post

  32. 3.0 98 promax vst removal

    Started by 265mercman, 09-21-2023 01:56 AM
    • Replies: 4
    • Views: 205
    265mercman
    09-25-2023, 09:08 PM Go to last post

  33. Mystery wire

    Started by KIRCHNER, 09-25-2023 05:48 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 159
    skialot2
    09-25-2023, 09:04 PM Go to last post

  34. 3.0 300 promax manual

    Started by 265mercman, 09-22-2023 10:03 PM
    • Replies: 4
    • Views: 243
    Chaz
    09-25-2023, 08:52 PM Go to last post

  35. Optimax TPS Throttle Body

    Started by CptAJ, 09-25-2023 05:28 PM
    • Replies: 1
    • Views: 76
    XstreamVking
    09-25-2023, 05:45 PM Go to last post

  36. OMC head bolt thread repair

    Started by lbhsbz, 09-24-2023 05:13 PM
    4 Attachment(s)
    • Replies: 8
    • Views: 243
    FUJIMO
    09-25-2023, 03:51 PM Go to last post

  37. Lower unit fill plug washers

    Started by Gilera, 09-23-2023 10:05 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 237
    AlliStan
    09-25-2023, 05:22 AM Go to last post

  38. Hull vin #

    Started by KIRCHNER, 09-19-2023 07:25 PM
    • Replies: 11
    • Views: 379
    skialot2
    09-25-2023, 02:19 AM Go to last post

  39. Mercury Tech: 98 200FF build, lots of pics. lots of questions, hopefully not lots of mistakes!

    Started by LakeFever, 07-17-2021 03:55 PM
    6 Pages •
    1 2 3 4 5 6
    53 Attachment(s)
    • Replies: 75
    • Views: 5,267
    LakeFever
    09-24-2023, 07:19 AM Go to last post

  40. 300X lower-drive shaft

    Started by Wild Bill, 09-23-2023 12:45 PM
    • Replies: 2
    • Views: 135
    Wild Bill
    09-23-2023, 09:34 PM Go to last post
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