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Threads 1 to 40 of 137

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: 202,255
    keefallan
    09-20-2020, 11:40 AM Go to last post

  1. Merc 150 4S

    Started by tj309, 11-27-2024 04:55 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 16
    • Views: 1,337
    LakeFever
    12-04-2024, 06:42 AM Go to last post

  2. mercury v6 upper crankcase bearing cross reference

    Started by coffeeguy, 07-19-2017 06:34 AM
    • Replies: 4
    • Views: 8,390
    wolfgangb
    12-04-2024, 03:57 AM Go to last post

  3. too much fuel pressure

    Started by KIRCHNER, 11-26-2024 03:53 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 19
    • Views: 1,025
    KIRCHNER
    12-03-2024, 04:33 PM Go to last post

  4. Hey SKIALOT I did some Black Friday shopping

    Started by Aaronhl, 11-30-2024 02:50 PM
    1 Attachment(s)
    • Replies: 13
    • Views: 983
    Aaronhl
    12-03-2024, 04:14 PM Go to last post

  5. Even Fire Crank

    Started by Sparkroost, 06-30-2003 09:16 PM
    3 Pages •
    1 2 3
    • Replies: 30
    • Views: 3,315
    kennedyrd
    12-02-2024, 02:44 PM Go to last post

  6. 2.5 Promax Sleeves

    Started by tabme, 12-01-2024 07:25 AM
    • Replies: 6
    • Views: 452
    LakeFever
    12-02-2024, 12:43 PM Go to last post

  7. Carb vs EFI ?

    Started by skialot2, 09-07-2024 11:47 PM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 19
    • Views: 1,084
    KIRCHNER
    12-01-2024, 06:14 PM Go to last post

  8. Title: Need Advice on Trim Tab Positioning for My 16-Foot Crusader with a 150 Pro XS

    Started by Malcomdesvaux, 11-07-2024 12:02 AM
    6 Attachment(s)
    • Replies: 5
    • Views: 752
    David
    11-30-2024, 06:19 PM Go to last post

  9. Mystery lower unit

    Started by Merc 2.5, 11-27-2024 06:21 PM
    5 Attachment(s)
    • Replies: 5
    • Views: 582
    Merc 2.5
    11-29-2024, 04:13 PM Go to last post

  10. Mercury 3.0 225 EFI upgrades?

    Started by Bassfisher360, 11-28-2024 10:38 AM
    • Replies: 1
    • Views: 270
    Chaz
    11-28-2024, 02:50 PM Go to last post

  11. Mercury V6 Blackmax 135/150HP? Year?

    Started by 85charger, 09-04-2024 06:02 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 16
    • Views: 717
    Merc 2.5
    11-27-2024, 10:16 PM Go to last post

  12. Were the 2.5 Drag motors durable for…

    Started by pcrussell50, 08-30-2024 08:40 PM
    3 Pages •
    1 2 3
    4 Attachment(s)
    • Replies: 30
    • Views: 2,064
    LakeFever
    11-27-2024, 08:36 AM Go to last post

  13. 2001 200 EFI no power

    Started by skialot2, 11-18-2024 12:27 AM
    • Replies: 13
    • Views: 618
    Merc 2.5
    11-27-2024, 02:19 AM Go to last post

  14. Spark plug color, how long.

    Started by Carter Powell, 10-10-2024 12:56 PM
    8 Attachment(s)
    • Replies: 11
    • Views: 1,585
    Merc 2.5
    11-27-2024, 12:12 AM Go to last post

  15. Mercury 2.5FF build questions

    Started by 2.4Viper, 11-02-2024 05:27 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 556
    Merc 2.5
    11-27-2024, 12:08 AM Go to last post

  16. Motor

    Started by ivlakeman, 11-19-2024 08:32 PM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 25
    • Views: 1,599
    ivlakeman
    11-25-2024, 06:09 PM Go to last post

  17. 2.6L HPDI custom ECU and injector drivers

    Started by joebar, 11-17-2024 08:18 PM
    computer, ecu, hpdi, injector driver, yamaha
    • Replies: 4
    • Views: 513
    joebar
    11-23-2024, 06:49 PM Go to last post

  18. Merc 3L 250 Efi Stock Fuel/Timing Maps

    Started by Amatuer, 11-23-2024 04:57 PM
    • Replies: 0
    • Views: 151
    Amatuer
    11-23-2024, 04:57 PM Go to last post

  19. Talking 2017 Mercury Optimax 250 Pro Xs Rough Idle - Stalling When Cold

    Started by BillsBoatWorks, 11-19-2024 11:43 AM
    250 optis, 3.0 liter, idle, optimax, stalling 1 Attachment(s)
    • Replies: 7
    • Views: 777
    BillsBoatWorks
    11-21-2024, 11:55 AM Go to last post

  20. 300X DBR kit

    Started by Wild Bill, 11-16-2024 11:14 AM
    • Replies: 8
    • Views: 874
    25two.stroke
    11-21-2024, 11:26 AM Go to last post

  21. 300 pm

    Started by pro mvb, 11-19-2024 07:03 PM
    • Replies: 0
    • Views: 200
    pro mvb
    11-19-2024, 07:03 PM Go to last post

  22. Prop shaft repair

    Started by bullet255, 11-08-2024 07:56 AM
    • Replies: 13
    • Views: 1,066
    LakeFever
    11-19-2024, 05:13 PM Go to last post

  23. switch assembly near the starter solenoid, what is it?

    Started by Aaronhl, 11-13-2024 07:38 PM
    2 Pages •
    1 2
    • Replies: 24
    • Views: 1,166
    Aaronhl
    11-18-2024, 04:43 PM Go to last post

  24. 300X ECM Questions

    Started by bouyhead, 10-29-2024 11:17 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 1,045
    108
    11-17-2024, 06:01 PM Go to last post

  25. Steering cable question

    Started by Merc 2.5, 11-04-2024 11:10 AM
    • Replies: 2
    • Views: 758
    David - WI
    11-16-2024, 04:50 PM Go to last post

  26. 225 p/ m fuel rail alignment dowels

    Started by doug vaughn, 11-14-2024 08:58 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 331
    doug vaughn
    11-15-2024, 04:06 PM Go to last post

  27. fuel pres gauge

    Started by KIRCHNER, 11-12-2024 04:59 PM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 784
    KIRCHNER
    11-14-2024, 04:50 PM Go to last post

  28. wmh47 on a 225 questions

    Started by gguertin145, 11-12-2024 07:09 PM
    • Replies: 4
    • Views: 473
    gguertin145
    11-14-2024, 10:53 AM Go to last post

  29. Vmax SHO motor mounts

    Started by jimmybrie, 11-12-2024 11:43 AM
    1 Attachment(s)
    • Replies: 13
    • Views: 574
    jimmybrie
    11-14-2024, 09:19 AM Go to last post

  30. Mercury Tech: Top guided vs. bottom guided rods

    Started by silverbullet02, 10-06-2011 01:03 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 19
    • Views: 5,200
    wolfgangb
    11-11-2024, 10:41 PM Go to last post

  31. Merc 2.5 info

    Started by Merc 2.5, 10-25-2024 01:18 AM
    • Replies: 8
    • Views: 1,219
    LakeFever
    11-11-2024, 07:19 AM Go to last post

  32. 225 pro max. Boggs when trying to pan

    Started by doug vaughn, 10-11-2024 10:44 AM
    • Replies: 13
    • Views: 6,012
    doug vaughn
    11-09-2024, 06:55 AM Go to last post

  33. Wobbling Issues on 16ft Crusader with 150 Pro XS

    Started by Malcomdesvaux, 11-06-2024 01:28 AM
    6 Attachment(s)
    • Replies: 4
    • Views: 584
    Carter Powell
    11-08-2024, 07:56 PM Go to last post

  34. Wobbling Issues on 16ft Crusader with 150 Pro XS

    Started by Malcomdesvaux, 11-06-2024 01:30 AM
    6 Attachment(s)
    • Replies: 5
    • Views: 630
    sharpeye Mike
    11-07-2024, 09:24 AM Go to last post

  35. Mercury 280 bogs down sometimes when trimming, shifter sometimes shuts off the motor

    Started by jwestern, 08-16-2024 09:48 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 25
    • Views: 2,295
    jwestern
    11-04-2024, 01:43 PM Go to last post

  36. Mercury 280 reed valve choice?

    Started by stoneman, 10-31-2024 04:19 PM
    • Replies: 2
    • Views: 444
    ChrisCarsonMarine
    11-04-2024, 08:40 AM Go to last post

  37. Mercury Tech: Which lower unit i have ? On 93 200xri EFI

    Started by chromewater, 11-03-2024 11:21 AM
    • Replies: 5
    • Views: 417
    skialot2
    11-04-2024, 02:40 AM Go to last post

  38. Racheting/ non racheting gears and dogs.

    Started by NZ Sidewinder, 02-23-2024 04:27 PM
    4 Pages •
    1 2 3 4
    14 Attachment(s)
    • Replies: 55
    • Views: 3,412
    NZ Sidewinder
    11-03-2024, 11:24 PM Go to last post

  39. 400r stearing

    Started by Wild Bill, 10-23-2024 07:47 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 2,075
    Speed Jr.
    11-03-2024, 04:01 PM Go to last post

  40. Hydraulic steering

    Started by Merc 2.5, 11-01-2024 02:48 PM
    • Replies: 7
    • Views: 666
    Mrzip
    11-03-2024, 07:38 AM Go to last post
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