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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: 49,836
    06-28-2015, 03:01 PM Go to last post
  1. Opti 250xs

    Started by mango, 01-12-2022 06:47 PM
    • Replies: 3
    • Views: 301
    01-16-2022, 09:47 PM Go to last post
  2. Quicksilver Reman 250 PROxs Powerheads

    Started by jcoop421, 12-13-2021 07:08 PM
    • Replies: 1
    • Views: 206
    01-13-2022, 09:49 AM Go to last post
  3. New 4 stroke engines

    Started by JM.1776, 12-30-2021 10:27 AM
    • Replies: 9
    • Views: 582
    01-08-2022, 11:04 AM Go to last post
  4. 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: 15,407
    12-29-2021, 03:59 PM Go to last post
    • Replies: 14
    • Views: 2,113
    12-21-2021, 05:02 AM Go to last post
  5. Bracket

    Started by fastking, 12-20-2021 10:15 PM
    • Replies: 0
    • Views: 91
    12-20-2021, 10:15 PM Go to last post
  6. 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: 41
    • Views: 3,676
    12-16-2021, 08:25 AM Go to last post
  7. 300xs Rebuild

    Started by RSWORDS, 04-25-2020 11:21 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 3,496
    11-18-2021, 10:14 PM Go to last post
  8. Tohatsu 50 efi tuning and mods????

    Started by Adam Younger, 05-14-2021 08:33 AM
    • Replies: 2
    • Views: 950
    11-11-2021, 07:35 AM Go to last post
  9. Honda BF150 Factory Recall??

    Started by WaterZebra, 09-08-2021 09:11 AM
    • Replies: 4
    • Views: 821
    09-16-2021, 06:18 PM Go to last post
  10. Alien cowling sticker file wanted

    Started by Hydro300, 08-11-2021 05:27 AM
    • Replies: 2
    • Views: 617
    08-20-2021, 10:38 AM Go to last post
  11. 2001 200 optimax

    Started by rickriddle, 08-16-2021 09:28 PM
    • Replies: 0
    • Views: 220
    08-16-2021, 09:28 PM Go to last post
  12. 115hp Optimax coil advice

    Started by Peetee907, 08-15-2021 06:34 AM
    • Replies: 2
    • Views: 218
    08-15-2021, 07:55 PM Go to last post
  13. 200XS ECU SST vs ROS

    Started by Hydro300, 08-11-2021 05:24 AM
    • Replies: 0
    • Views: 247
    08-11-2021, 05:24 AM Go to last post
  14. 200 apx

    Started by PRE-Z06, 07-22-2021 04:08 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,123
    08-02-2021, 08:22 PM Go to last post
  15. 150 Optimax locked up over winter

    Started by RedPulse185, 07-04-2021 03:14 PM
    • Replies: 5
    • Views: 637
    07-13-2021, 06:37 PM Go to last post
  16. 225 HPDI rebuild

    Started by FORBESAUTO, 02-23-2019 07:38 PM
    9 Pages
    1 2 3 4 5 6 7 8 9
    • Replies: 124
    • Views: 23,162
    06-07-2021, 04:15 PM Go to last post
  17. Optimax 150 Oil Pump Prime Help

    Started by slofisher, 06-29-2013 12:07 AM
    • Replies: 13
    • Views: 7,342
    05-27-2021, 04:22 AM Go to last post
  18. 2011 Mercury 200hp pro xs differences

    Started by Promaxin, 08-15-2020 05:12 AM
    • Replies: 8
    • Views: 2,514
    05-15-2021, 10:27 PM Go to last post
  19. ETEC ECM flash whos doin em..

    Started by 150aintenuff, 02-22-2017 12:21 AM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 10,811
    05-11-2021, 11:29 PM Go to last post
  20. Decoding a 2005 Honda

    Started by slow_bloke, 05-06-2021 08:08 PM
    • Replies: 1
    • Views: 809
    05-10-2021, 02:07 AM Go to last post
  21. Question

    Started by Noodle1422, 04-01-2021 04:34 PM
    • Replies: 0
    • Views: 749
    04-01-2021, 04:34 PM Go to last post
  22. Dumb question

    Started by PRE-Z06, 03-30-2021 07:21 PM
    • Replies: 3
    • Views: 1,070
    03-31-2021, 11:57 AM Go to last post
  23. New 4.6l v8 Mercury's on a hydrostream

    Started by RyW, 02-24-2021 07:35 PM
    • Replies: 14
    • Views: 2,484
    03-12-2021, 09:36 PM Go to last post
  24. Opti tracker diaphragm #804533

    Started by mango, 02-13-2021 03:48 PM
    • Replies: 4
    • Views: 505
    02-16-2021, 12:34 PM Go to last post
  25. 2003 2.5 280

    Started by convincor, 02-10-2021 08:29 PM
    • Replies: 5
    • Views: 1,241
    02-12-2021, 06:05 PM Go to last post
  26. 300XS Rebuild

    Started by DewRonInc, 01-01-2021 08:46 PM
    • Replies: 3
    • Views: 1,366
    02-06-2021, 07:09 PM Go to last post
  27. Dirt dauber damage

    Started by DewRonInc, 10-24-2020 11:07 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,424
    02-05-2021, 03:18 PM Go to last post
  28. DDT on an Opti?

    Started by Hydrodreams, 01-24-2021 05:31 AM
    • Replies: 4
    • Views: 652
    01-25-2021, 08:54 PM Go to last post
    • Replies: 1
    • Views: 340
    01-19-2021, 11:30 AM Go to last post
  29. Reliable bass boat repower? Optimax?

    Started by simpson_3, 01-14-2021 12:46 PM
    • Replies: 11
    • Views: 838
    01-18-2021, 03:19 PM Go to last post
  30. 300xs rebuild.

    Started by Revolution141, 07-07-2012 03:05 AM
    • Replies: 12
    • Views: 3,482
    01-18-2021, 08:57 AM Go to last post
  31. Optimax water tube

    Started by Peetee907, 01-01-2021 12:14 PM
    • Replies: 8
    • Views: 770
    01-08-2021, 11:09 AM Go to last post
    • Replies: 1
    • Views: 4,673
    12-20-2020, 09:20 PM Go to last post
  32. optimax compressor rebuild?

    Started by aaronmt73, 09-26-2012 07:10 AM
    • Replies: 12
    • Views: 8,122
    12-08-2020, 10:52 PM Go to last post
    • Replies: 12
    • Views: 1,515
    11-14-2020, 05:25 PM Go to last post
  33. 115 hp optimax oil filter?

    Started by Peetee907, 11-01-2020 12:22 PM
    • Replies: 8
    • Views: 651
    11-07-2020, 10:37 AM Go to last post
  34. Compressor bore size

    Started by DewRonInc, 11-02-2020 12:15 AM
    • Replies: 4
    • Views: 538
    11-02-2020, 07:07 PM Go to last post
  35. 300 xs beyond dbr ecu and flywheel?

    Started by xb03fs, 10-25-2020 10:14 AM
    • Replies: 1
    • Views: 669
    10-25-2020, 10:20 AM Go to last post
  36. 300XS Air Compressor Overheat - Next Steps

    Started by bustedbrick, 09-29-2020 07:12 AM
    • Replies: 5
    • Views: 633
    10-23-2020, 10:09 PM Go to last post

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