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Forum: Four Stroke and Direct Injected Two Stroke Engines

Low-emissions outboard engines.

Sponsored by: DBR - Dave Bush Racing

  1. Sticky Thread Sticky: ECDBA Emission performance stock.....

    Started by E-tec1, 11-09-2008 11:30 AM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 33,022
    06-28-2015, 03:01 PM Go to last post
  1. 300xs DBR 1.1 or 1.3 software

    Started by darkdream, 12-20-2018 06:43 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,791
    Today, 03:56 AM Go to last post
  2. Merc four-stroke 115 ProXs tell-tale temp

    Started by Ted Stryker, 01-22-2019 12:08 PM
    • Replies: 4
    • Views: 169
    Today, 01:30 AM Go to last post
  3. Mercury 225HP Saltwater-series rebuild c02500wbd07142018

    Started by noli, 07-14-2018 04:17 PM
    8 Pages
    1 2 3 4 5 6 7 8
    • Replies: 105
    • Views: 2,425
    01-21-2019, 07:04 AM Go to last post
  4. Measuring cylinder bore, taper, and out-of-round

    Started by noli, 01-18-2019 08:35 PM
    • Replies: 4
    • Views: 335
    01-18-2019, 10:19 PM Go to last post
  5. how the Optimax Multi-Point Oil Pump works

    Started by noli, 01-06-2019 08:59 AM
    • Replies: 4
    • Views: 517
    01-14-2019, 03:26 PM Go to last post
  6. Optimax charging issues

    Started by miagonz85, 10-03-2018 11:11 PM
    • Replies: 7
    • Views: 677
    01-07-2019, 09:46 PM Go to last post
  7. 300xs exhaust plate options

    Started by stealthperf, 08-18-2018 01:11 PM
    • Replies: 1
    • Views: 354
    01-05-2019, 08:18 PM Go to last post
  8. 300 xs alarm

    Started by toddb, 09-04-2018 06:18 AM
    • Replies: 9
    • Views: 634
    01-05-2019, 02:26 PM Go to last post
  9. V8 pro xs ECM?

    Started by Jamie Nichols, 07-26-2018 01:36 PM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 2,748
    01-01-2019, 07:37 PM Go to last post
  10. Mariner 300 vs Mercury 300x?

    Started by miagonz85, 12-02-2018 06:27 AM
    • Replies: 1
    • Views: 812
    12-25-2018, 04:14 PM Go to last post
  11. oil injection replacement hose options

    Started by 288sunny, 12-23-2018 08:07 PM
    • Replies: 0
    • Views: 884
    12-23-2018, 08:07 PM Go to last post
  12. Hello Everyone

    Started by fastdragon, 12-18-2018 12:23 PM
    • Replies: 1
    • Views: 249
    12-19-2018, 09:28 AM Go to last post
  13. Injector cleaning help 2007 300xs

    Started by 288sunny, 11-18-2018 07:21 PM
    • Replies: 2
    • Views: 385
    12-09-2018, 11:10 AM Go to last post
  14. 300R nonsense thread

    Started by marks86, 07-24-2018 11:25 AM
    6 Pages
    1 2 3 4 5 6
    • Replies: 78
    • Views: 7,343
    12-07-2018, 05:38 PM Go to last post
  15. 300xs Bench power-up

    Started by Davidlake, 12-02-2018 11:08 AM
    • Replies: 2
    • Views: 1,254
    12-02-2018, 11:56 AM Go to last post
  16. NEW Simon Performance Technology Mercury PCM flash tool

    Started by Simon, 11-09-2017 09:48 PM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 6,099
    11-22-2018, 07:34 PM Go to last post
    • Replies: 1
    • Views: 401
    11-20-2018, 02:00 PM Go to last post
  17. New Mercury 4-stroke specs

    Started by PRE-Z06, 11-13-2018 12:13 AM
    • Replies: 0
    • Views: 1,470
    11-13-2018, 12:13 AM Go to last post
  18. 250 getting ready to breath better

    Started by xb03fs, 10-21-2018 04:31 PM
    • Replies: 9
    • Views: 584
    11-06-2018, 11:58 PM Go to last post
  19. Rigging tube replacement help 2007 300XS

    Started by 288sunny, 11-04-2018 08:59 AM
    • Replies: 1
    • Views: 423
    11-05-2018, 03:07 PM Go to last post
  20. Vessel view for 40 hp 4 stroke

    Started by fs5, 10-31-2018 05:24 AM
    • Replies: 3
    • Views: 504
    10-31-2018, 06:58 AM Go to last post
  21. Outboard weights

    Started by PRE-Z06, 10-23-2018 12:06 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 941
    10-25-2018, 06:13 PM Go to last post
  22. 300R vs 300sx Weights

    Started by Cervelo777, 10-23-2018 06:33 PM
    • Replies: 5
    • Views: 758
    10-24-2018, 07:22 PM Go to last post
  23. Mercury 150hp 4-stroke

    Started by PRE-Z06, 08-15-2018 10:42 PM
    • Replies: 14
    • Views: 1,168
    10-24-2018, 06:01 PM Go to last post
  24. Mercury 300 pro xs vs 300l

    Started by madmatic, 10-12-2018 03:54 PM
    • Replies: 0
    • Views: 953
    10-12-2018, 03:54 PM Go to last post
  25. 300xs year differences

    Started by miagonz85, 10-01-2018 10:34 PM
    4 Pages
    1 2 3 4
    • Replies: 47
    • Views: 1,549
    10-12-2018, 08:39 AM Go to last post
  26. water in fuel alarm advice/help

    Started by 288sunny, 10-09-2018 09:18 AM
    • Replies: 5
    • Views: 193
    10-10-2018, 05:27 PM Go to last post
  27. Rev limiter Verado 400R

    Started by Toffen, 10-08-2018 03:55 PM
    • Replies: 1
    • Views: 335
    10-08-2018, 07:47 PM Go to last post
  28. Long Term Layup 300XS

    Started by Davidlake, 10-04-2018 12:33 PM
    • Replies: 1
    • Views: 234
    10-04-2018, 12:49 PM Go to last post
  29. gen 2 200XS winterizing

    Started by David, 09-26-2018 08:20 PM
    • Replies: 9
    • Views: 1,428
    10-02-2018, 07:56 PM Go to last post
  30. Dyno chart VF115 Yamaha SHO 115

    Started by Dingie 2, 09-22-2018 07:53 AM
    • Replies: 1
    • Views: 355
    09-26-2018, 08:19 PM Go to last post
  31. New to me mercury

    Started by Sean90, 09-17-2018 10:02 PM
    • Replies: 3
    • Views: 537
    09-23-2018, 10:33 PM Go to last post
  32. Mercury 115 Pro XS four stroke

    Started by creeljd, 08-09-2018 12:29 PM
    • Replies: 13
    • Views: 783
    09-20-2018, 08:01 AM Go to last post
  33. Future 2.5L motors

    Started by 304Mirage, 09-10-2018 07:22 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,568
    09-17-2018, 07:01 PM Go to last post
  34. 300xs spark plugs diagnose coil issue

    Started by John2250, 09-03-2018 07:26 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 930
    09-10-2018, 09:37 PM Go to last post
  35. Exclamation Mercury 300R Startup and Running Video

    Started by Scream And Fly, 05-18-2018 09:30 PM
    300r, mercury racing
    • Replies: 11
    • Views: 4,121
    09-05-2018, 07:28 AM Go to last post
  36. Merc 150 4s gearbox

    Started by powerabout, 09-05-2018 02:06 AM
    • Replies: 0
    • Views: 401
    09-05-2018, 02:06 AM Go to last post

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