1. 05-08-2022
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Forum: Four Stroke and Direct Injected Two Stroke Engines

Low-emissions outboard engines.

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  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: 65,617
    06-28-2015, 03:01 PM Go to last post
  1. E tec 250 powerhead on ficht midsection

    Started by Tobb1, 07-19-2018 12:59 PM
    • Replies: 10
    • Views: 1,773
    01-14-2023, 11:21 AM Go to last post
  2. Optimax flywheel dampener

    Started by Promaxin, 12-28-2022 02:58 AM
    • Replies: 3
    • Views: 708
    01-14-2023, 06:47 AM Go to last post
  3. Aftermarket injectors

    Started by bakerfreak, 08-25-2022 12:00 PM
    • Replies: 7
    • Views: 1,548
    12-10-2022, 11:56 PM Go to last post
  4. Easiest way to use ddt on engine off boat

    Started by LOSTINJ, 11-24-2022 09:25 AM
    • Replies: 10
    • Views: 1,101
    11-26-2022, 09:54 PM Go to last post
  5. 300xs Fluctuating fuel burn

    Started by CPC, 11-15-2022 08:32 AM
    • Replies: 2
    • Views: 562
    11-22-2022, 07:53 PM Go to last post
  6. Hydro-tec tuner for 300xs ?

    Started by LOSTINJ, 10-30-2022 08:08 AM
    • Replies: 2
    • Views: 878
    11-20-2022, 05:48 PM Go to last post
  7. Merc 300R Fuel Consumption

    Started by Hebert519, 08-03-2022 12:35 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 4,420
    10-29-2022, 10:01 AM Go to last post
  8. 300 promax to 300xs question

    Started by spearhunter7, 06-03-2013 05:21 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 6,707
    10-24-2022, 11:59 AM Go to last post
  9. 3.3 conversion to 3 ltr heads

    Started by MrG, 06-20-2022 10:28 AM
    • Replies: 1
    • Views: 717
    09-10-2022, 11:11 AM Go to last post
  10. Optimax Air Injectors

    Started by clayc, 07-15-2022 11:03 AM
    3 Pages
    1 2 3
    • Replies: 43
    • Views: 5,375
    09-08-2022, 10:17 AM Go to last post
  11. Spark Test Gap

    Started by clayc, 08-30-2022 05:30 PM
    • Replies: 1
    • Views: 501
    08-30-2022, 11:41 PM Go to last post
  12. 2013 300XS sudden loss of power/rpm

    Started by Lake WI Steve, 08-03-2022 09:19 PM
    • Replies: 8
    • Views: 1,731
    08-27-2022, 02:03 PM Go to last post
  13. 150 optimax issues

    Started by 71greyhound, 08-11-2022 02:15 PM
    optimax
    • Replies: 14
    • Views: 1,786
    08-16-2022, 06:16 PM Go to last post
  14. BRC / Rotax /Johnson outboard ?

    Started by theoldwizard, 07-31-2011 08:44 PM
    • Replies: 9
    • Views: 2,799
    08-14-2022, 04:50 PM Go to last post
  15. Wink Looking for 300xs Service Manual

    Started by mackey147, 08-05-2022 07:38 AM
    • Replies: 0
    • Views: 315
    08-05-2022, 07:38 AM Go to last post
  16. New v8 300proxs running problem

    Started by Boozin909, 07-03-2022 06:13 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,648
    07-30-2022, 03:31 PM Go to last post
  17. E15 in Etec?

    Started by doug7488, 05-27-2022 11:29 AM
    • Replies: 6
    • Views: 1,021
    07-26-2022, 09:25 PM Go to last post
    • Replies: 2
    • Views: 944
    07-25-2022, 08:22 PM Go to last post
  18. yamaha F150 balance shaft delete

    Started by davepnola, 07-12-2022 10:15 PM
    • Replies: 6
    • Views: 834
    07-25-2022, 02:53 PM Go to last post
    • Replies: 4
    • Views: 5,936
    07-06-2022, 10:28 AM Go to last post
  19. 3 liter water pump problem

    Started by boostalmighty, 06-29-2022 09:30 AM
    • Replies: 6
    • Views: 682
    07-06-2022, 08:27 AM Go to last post
    • Replies: 0
    • Views: 383
    07-03-2022, 09:47 PM Go to last post
  20. Abort factory breakin mode with ddt

    Started by Stevebbc, 06-24-2022 03:17 PM
    • Replies: 2
    • Views: 464
    06-26-2022, 06:03 AM Go to last post
  21. HPDI high-pressure pump and injector cleaning?

    Started by deCler, 05-04-2022 09:42 PM
    • Replies: 3
    • Views: 636
    06-21-2022, 04:55 PM Go to last post
  22. 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: 44,135
    06-18-2022, 04:31 AM Go to last post
  23. Thumbs up 21 Liberator 300R Video Test

    Started by Speed Jr., 05-06-2022 08:19 AM
    • Replies: 14
    • Views: 1,849
    05-24-2022, 09:21 PM Go to last post
  24. 300R Fourstroke Oil Capacity

    Started by d2kstang, 05-10-2022 12:31 PM
    • Replies: 4
    • Views: 665
    05-11-2022, 06:27 AM Go to last post
  25. 250 ProXS oil leaking

    Started by boatn70, 05-05-2022 08:27 PM
    • Replies: 1
    • Views: 457
    05-06-2022, 02:39 PM Go to last post
  26. 300X cooling issue

    Started by F29DCB, 04-28-2022 02:12 PM
    • Replies: 8
    • Views: 670
    04-29-2022, 12:51 PM Go to last post
  27. 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: 11,497
    04-24-2022, 05:11 PM Go to last post
  28. 150 pro xs

    Started by Scrutcher, 04-18-2022 06:12 PM
    • Replies: 1
    • Views: 439
    04-19-2022, 01:30 PM Go to last post
  29. 250xb alien cowl

    Started by AaronB, 04-11-2022 10:48 PM
    • Replies: 0
    • Views: 477
    04-11-2022, 10:48 PM Go to last post
  30. Optimax 200hp air compressor leak

    Started by Davidpkl, 03-27-2022 08:24 PM
    • Replies: 4
    • Views: 873
    04-05-2022, 10:57 PM Go to last post
  31. New to Me 2003 Optimax

    Started by chackett, 03-15-2022 10:08 AM
    • Replies: 8
    • Views: 751
    03-16-2022, 08:18 AM Go to last post
  32. Whats needed to turn a 225 opti into a 250xs ?

    Started by LOSTINJ, 02-26-2022 01:45 PM
    • Replies: 3
    • Views: 675
    03-15-2022, 08:17 AM Go to last post
    • Replies: 18
    • Views: 1,512
    03-13-2022, 09:20 AM Go to last post
  33. 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: 3,041
    03-10-2022, 04:49 PM Go to last post
  34. Wireing up a tach: Honda 20hp 4 smoke

    Started by dwiggl, 02-18-2022 03:12 PM
    • Replies: 3
    • Views: 344
    02-19-2022, 01:32 PM Go to last post
    • Replies: 14
    • Views: 821
    02-18-2022, 08:38 AM Go to last post

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