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Forum: Low-Emission Outboard Engines

Evinrude E-Tec, Mercury OptiMax, Yamaha HPDI, and all 4-Stroke outboard discussion.

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: 28,557
    06-28-2015, 03:01 PM Go to last post
  1. Mercury 250xs power head replacements why?

    Started by whipper, 03-21-2017 05:32 PM
    • Replies: 14
    • Views: 1,426
    01-04-2018, 01:14 PM Go to last post
  2. 300xs open exhaust? raise compression?

    Started by davemvegas, 01-01-2014 08:47 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 3,930
    01-04-2018, 12:26 PM Go to last post
    • Replies: 2
    • Views: 449
    12-31-2017, 01:42 PM Go to last post
  3. 300 SX Compressor

    Started by Davidlake, 12-26-2017 01:56 PM
    • Replies: 4
    • Views: 284
    12-27-2017, 01:23 PM Go to last post
  4. 300 HPDI Mods

    Started by FrankU, 07-11-2017 09:59 AM
    • Replies: 3
    • Views: 574
    12-25-2017, 09:15 PM Go to last post
  5. Optimax compressor failed. What about injectors?

    Started by Bunger, 11-26-2017 07:45 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 1,191
    12-13-2017, 08:45 PM Go to last post
  6. Yamaha HPDI ECU Mods

    Started by lance, 03-04-2013 10:13 AM
    3 Pages
    1 2 3
    • Replies: 37
    • Views: 8,883
    11-20-2017, 01:41 PM Go to last post
  7. Optimax overheat alarm

    Started by trex, 10-01-2016 11:19 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,996
    11-14-2017, 10:18 PM Go to last post
  8. 300XS or G1 250 H.O.???

    Started by kah68, 09-09-2017 03:48 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,733
    11-09-2017, 09:50 AM Go to last post
  9. 225 pro xs?

    Started by JBS, 11-06-2017 09:57 AM
    • Replies: 0
    • Views: 293
    11-06-2017, 09:57 AM Go to last post
  10. 200XS spark plug advise...

    Started by H20WKD, 08-28-2017 11:04 PM
    • Replies: 8
    • Views: 717
    11-03-2017, 11:45 AM Go to last post
  11. Opti injector open fault. Injector/cylinder fine

    Started by RSWORDS, 08-04-2017 01:25 PM
    • Replies: 6
    • Views: 404
    11-03-2017, 11:01 AM Go to last post
  12. ETEC ECM flash whos doin em..

    Started by 150aintenuff, 02-22-2017 12:21 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,227
    10-06-2017, 06:26 PM Go to last post
  13. constant alarm 08 300xs

    Started by toddb, 09-29-2017 07:51 AM
    • Replies: 7
    • Views: 523
    09-30-2017, 05:44 AM Go to last post
  14. 2013 Mercury 200 XS ROS

    Started by stv1991, 09-26-2012 03:51 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 9,707
    08-24-2017, 11:21 AM Go to last post
  15. >> Hp vs Weight Outboard <<

    Started by DEN, 06-17-2017 04:34 PM
    • Replies: 13
    • Views: 1,128
    08-21-2017, 08:04 PM Go to last post
  16. Best place to buy 300XS service manual?

    Started by insanedaddy, 08-16-2017 11:21 PM
    • Replies: 5
    • Views: 1,122
    08-17-2017, 10:23 PM Go to last post
  17. 175 opti proxs

    Started by stokernick, 09-02-2016 07:00 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,289
    08-08-2017, 08:17 PM Go to last post
  18. 2005/6 Opti 135

    Started by FMP, 08-06-2017 12:16 PM
    • Replies: 2
    • Views: 131
    08-06-2017, 03:18 PM Go to last post
  19. Etec mid swap

    Started by derpid, 08-01-2017 11:27 PM
    • Replies: 3
    • Views: 350
    08-02-2017, 06:26 PM Go to last post
  20. etec 225 lift pump

    Started by derpid, 07-10-2017 05:17 PM
    • Replies: 4
    • Views: 423
    07-31-2017, 12:10 AM Go to last post
  21. Feedback needed please

    Started by tjones2937, 07-17-2017 10:02 PM
    • Replies: 2
    • Views: 605
    07-23-2017, 10:03 PM Go to last post
  22. E tec 250ho vs 300

    Started by Faststang1, 07-06-2017 04:58 PM
    • Replies: 3
    • Views: 756
    07-20-2017, 12:09 PM Go to last post
  23. Water sucking 300xs

    Started by darkdream, 04-17-2017 04:38 PM
    • Replies: 7
    • Views: 963
    07-13-2017, 09:20 AM Go to last post
  24. 250 xs fully dressed powerhead swap to proxs

    Started by kimclark, 06-28-2017 02:31 PM
    • Replies: 4
    • Views: 450
    07-09-2017, 12:19 AM Go to last post
  25. is the 60 mercury 4 stoke worth buying?

    Started by robert jordan, 10-06-2006 06:28 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 4,137
    07-06-2017, 12:08 PM Go to last post
  26. 08' 250XS Air Compressor replacement

    Started by bouyhead, 05-30-2017 08:07 AM
    • Replies: 7
    • Views: 1,119
    07-05-2017, 04:53 PM Go to last post
  27. 2007 hpdi power head

    Started by akeemb86, 07-02-2017 05:51 AM
    • Replies: 3
    • Views: 1,478
    07-03-2017, 10:54 PM Go to last post
  28. 2001 Optimax 225 issue

    Started by StealinThunder, 06-12-2017 07:01 PM
    • Replies: 11
    • Views: 863
    06-27-2017, 08:30 PM Go to last post

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