1. 05-08-2022
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Threads 1 to 40 of 1420

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: 54,075
    06-28-2015, 03:01 PM Go to last post
    • Replies: 0
    • Views: 30
    Yesterday, 09:47 PM Go to last post
  1. New v8 300proxs running problem

    Started by Boozin909, Yesterday 06:13 PM
    • Replies: 2
    • Views: 56
    Yesterday, 08:12 PM Go to last post
  2. 3 liter water pump problem

    Started by boostalmighty, 06-29-2022 09:30 AM
    • Replies: 5
    • Views: 146
    07-01-2022, 08:37 AM Go to last post
  3. 250 ProXS Tuner

    Started by clayc, 06-26-2022 07:41 PM
    • Replies: 7
    • Views: 141
    06-28-2022, 05:19 PM Go to last post
    • Replies: 1
    • Views: 70
    06-26-2022, 05:37 PM Go to last post
  4. Abort factory breakin mode with ddt

    Started by Stevebbc, 06-24-2022 03:17 PM
    • Replies: 2
    • Views: 116
    06-26-2022, 06:03 AM Go to last post
  5. HPDI high-pressure pump and injector cleaning?

    Started by deCler, 05-04-2022 09:42 PM
    • Replies: 3
    • Views: 238
    06-21-2022, 04:55 PM Go to last post
  6. E15 in Etec?

    Started by doug7488, 05-27-2022 11:29 AM
    • Replies: 5
    • Views: 356
    06-20-2022, 10:48 AM Go to last post
  7. 3.3 conversion to 3 ltr heads

    Started by MrG, 06-20-2022 10:28 AM
    • Replies: 0
    • Views: 70
    06-20-2022, 10:28 AM Go to last post
  8. 225 HPDI rebuild

    Started by FORBESAUTO, 02-23-2019 07:38 PM
    10 Pages
    1 2 3 4 5 6 7 8 9 10
    • Replies: 143
    • Views: 31,032
    06-18-2022, 04:31 AM Go to last post
  9. Thumbs up 21 Liberator 300R Video Test

    Started by Speed Jr., 05-06-2022 08:19 AM
    • Replies: 14
    • Views: 745
    05-24-2022, 09:21 PM Go to last post
  10. 300R Fourstroke Oil Capacity

    Started by d2kstang, 05-10-2022 12:31 PM
    • Replies: 4
    • Views: 233
    05-11-2022, 06:27 AM Go to last post
  11. 250 ProXS oil leaking

    Started by boatn70, 05-05-2022 08:27 PM
    • Replies: 1
    • Views: 161
    05-06-2022, 02:39 PM Go to last post
  12. 300X cooling issue

    Started by F29DCB, 04-28-2022 02:12 PM
    • Replies: 8
    • Views: 244
    04-29-2022, 12:51 PM Go to last post
  13. 2011 Mercury Optimax 150 no start with starboard temp sensor connected

    Started by Findre, 07-22-2019 03:40 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 8,748
    04-24-2022, 05:11 PM Go to last post
  14. E tec 250 powerhead on ficht midsection

    Started by Tobb1, 07-19-2018 12:59 PM
    • Replies: 8
    • Views: 874
    04-23-2022, 03:37 AM Go to last post
  15. 150 pro xs

    Started by Scrutcher, 04-18-2022 06:12 PM
    • Replies: 1
    • Views: 197
    04-19-2022, 01:30 PM Go to last post
  16. 250xb alien cowl

    Started by AaronB, 04-11-2022 10:48 PM
    • Replies: 0
    • Views: 277
    04-11-2022, 10:48 PM Go to last post
  17. Optimax 200hp air compressor leak

    Started by Davidpkl, 03-27-2022 08:24 PM
    • Replies: 4
    • Views: 401
    04-05-2022, 10:57 PM Go to last post
  18. New to Me 2003 Optimax

    Started by chackett, 03-15-2022 10:08 AM
    • Replies: 8
    • Views: 433
    03-16-2022, 08:18 AM Go to last post
  19. Whats needed to turn a 225 opti into a 250xs ?

    Started by LOSTINJ, 02-26-2022 01:45 PM
    • Replies: 3
    • Views: 406
    03-15-2022, 08:17 AM Go to last post
    • Replies: 18
    • Views: 878
    03-13-2022, 09:20 AM Go to last post
  20. Which 60 hp 4-stroke outboard for my 12' tunnel?

    Started by Boat880, 01-30-2021 01:27 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,459
    03-10-2022, 04:49 PM Go to last post
  21. Yamaha HPDI build/port work (let's talk port timing)

    Started by canuckr, 02-13-2021 12:04 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 4,644
    02-23-2022, 06:39 AM Go to last post
  22. Wireing up a tach: Honda 20hp 4 smoke

    Started by dwiggl, 02-18-2022 03:12 PM
    • Replies: 3
    • Views: 186
    02-19-2022, 01:32 PM Go to last post
    • Replies: 14
    • Views: 525
    02-18-2022, 08:38 AM Go to last post
  23. 300XS rigging hose.

    Started by Reynard38, 02-05-2022 11:21 AM
    • Replies: 7
    • Views: 384
    02-14-2022, 10:49 PM Go to last post
  24. Running rich, 300xs

    Started by DewRonInc, 02-04-2022 10:54 PM
    • Replies: 10
    • Views: 371
    02-12-2022, 12:11 AM Go to last post
  25. Opti 250xs

    Started by mango, 01-12-2022 06:47 PM
    • Replies: 3
    • Views: 580
    01-16-2022, 09:47 PM Go to last post
  26. Quicksilver Reman 250 PROxs Powerheads

    Started by jcoop421, 12-13-2021 07:08 PM
    • Replies: 1
    • Views: 373
    01-13-2022, 09:49 AM Go to last post
  27. New 4 stroke engines

    Started by JM.1776, 12-30-2021 10:27 AM
    • Replies: 9
    • Views: 889
    01-08-2022, 11:04 AM Go to last post
  28. XD-100 oil replacement?

    Started by elite service, 10-28-2011 08:25 AM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 98
    • Views: 16,347
    12-29-2021, 03:59 PM Go to last post
  29. Bracket

    Started by fastking, 12-20-2021 10:15 PM
    • Replies: 0
    • Views: 205
    12-20-2021, 10:15 PM Go to last post
  30. 300xs Rebuild

    Started by RSWORDS, 04-25-2020 11:21 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 3,881
    11-18-2021, 10:14 PM Go to last post
  31. Tohatsu 50 efi tuning and mods????

    Started by Adam Younger, 05-14-2021 08:33 AM
    • Replies: 2
    • Views: 1,216
    11-11-2021, 07:35 AM Go to last post
  32. Honda BF150 Factory Recall??

    Started by WaterZebra, 09-08-2021 09:11 AM
    • Replies: 4
    • Views: 944
    09-16-2021, 06:18 PM Go to last post
  33. Alien cowling sticker file wanted

    Started by Hydro300, 08-11-2021 05:27 AM
    • Replies: 2
    • Views: 747
    08-20-2021, 10:38 AM Go to last post
  34. 2001 200 optimax

    Started by rickriddle, 08-16-2021 09:28 PM
    • Replies: 0
    • Views: 316
    08-16-2021, 09:28 PM Go to last post
  35. 115hp Optimax coil advice

    Started by Peetee907, 08-15-2021 06:34 AM
    • Replies: 2
    • Views: 301
    08-15-2021, 07:55 PM Go to last post
  36. 200XS ECU SST vs ROS

    Started by Hydro300, 08-11-2021 05:24 AM
    • Replies: 0
    • Views: 359
    08-11-2021, 05:24 AM Go to last post

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