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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: 28,516
    06-28-2015, 03:01 PM Go to last post
  1. optimax

    Started by 05hemiramqc, 04-21-2009 01:15 PM
    • Replies: 5
    • Views: 1,129
    05-20-2009, 06:44 AM Go to last post
  2. 300XS Poppet Diverter

    Started by 1122, 06-09-2015 01:02 PM
    • Replies: 2
    • Views: 408
    06-09-2015, 07:41 PM Go to last post
  3. 3.0 Litre 20" Driveshaft/Exhaust Housing Question

    Started by 1122, 08-17-2015 04:36 PM
    • Replies: 4
    • Views: 367
    08-18-2015, 08:22 PM Go to last post
  4. Yahama F50 TLRD Is a DOG

    Started by 150aintenuff, 02-10-2005 02:30 AM
    • Replies: 9
    • Views: 971
    02-11-2005, 11:00 PM Go to last post
    • Replies: 1
    • Views: 530
    05-05-2005, 02:23 PM Go to last post
  5. 150aintenuff goes 4 stroke

    Started by 150aintenuff, 03-09-2006 11:38 PM
    • Replies: 12
    • Views: 1,189
    03-14-2006, 07:50 PM Go to last post
  6. 250 proXS or 300XS

    Started by 150aintenuff, 06-23-2007 12:40 PM
    • Replies: 8
    • Views: 1,798
    07-05-2007, 04:49 PM Go to last post
  7. 2.5 opti cylinder head differences

    Started by 150aintenuff, 07-26-2014 03:55 PM
    • Replies: 1
    • Views: 199
    07-27-2014, 09:20 AM Go to last post
  8. 115 opti. Mid range miss. No codes from ECM

    Started by 150aintenuff, 09-11-2014 03:44 PM
    • Replies: 11
    • Views: 1,123
    01-10-2015, 03:43 AM Go to last post
  9. V-rod. High idle. Runs fine no codes

    Started by 150aintenuff, 03-20-2015 11:36 AM
    • Replies: 2
    • Views: 539
    07-20-2015, 10:11 PM Go to last post
  10. 300 Etec No Start, but if jumped runs fine

    Started by 150aintenuff, 07-20-2015 10:19 PM
    • Replies: 13
    • Views: 504
    07-22-2015, 07:43 PM Go to last post
  11. ETEC ECM flash whos doin em..

    Started by 150aintenuff, 02-22-2017 12:21 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,218
    10-06-2017, 06:26 PM Go to last post
    • Replies: 2
    • Views: 355
    12-31-2017, 01:42 PM Go to last post
  12. SS practice day 2-26-05

    Started by 1BadAction, 02-27-2005 10:06 PM
    • Replies: 3
    • Views: 665
    02-28-2005, 04:26 PM Go to last post
  13. BWB 225 shootout

    Started by 1BadAction, 06-02-2005 04:27 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 75
    • Views: 6,939
    10-12-2005, 04:28 PM Go to last post
  14. 2003 115 four stroke water in oil

    Started by 1nebel0, 11-11-2012 02:23 AM
    • Replies: 7
    • Views: 848
    11-14-2012, 01:47 AM Go to last post
  15. are all manufacturers done with 2 strokes like mercury?

    Started by 2.5-21, 08-29-2005 09:03 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,854
    11-02-2005, 02:13 AM Go to last post
  16. Electric Outboards

    Started by 2.5H, 09-30-2007 06:00 AM
    • Replies: 1
    • Views: 867
    01-19-2008, 03:40 PM Go to last post
  17. Suzuki 250ss 4-stroke anyone??????

    Started by 23elim, 11-16-2008 11:10 PM
    • Replies: 7
    • Views: 1,113
    11-21-2008, 08:00 PM Go to last post
  18. pro xs lower unit question

    Started by 250xsBackCountry, 01-11-2014 03:22 PM
    • Replies: 6
    • Views: 767
    01-30-2014, 05:53 PM Go to last post
  19. 300xs losing fuel prime at idle

    Started by 28 skater, 04-08-2012 06:30 PM
    • Replies: 3
    • Views: 695
    04-08-2012, 09:01 PM Go to last post
  20. Thousands of boats to re-power..

    Started by 2fast4mom, 02-11-2007 01:36 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 2,554
    02-12-2007, 07:55 PM Go to last post
  21. 225 Optimax

    Started by 2us70, 01-07-2005 06:49 PM
    • Replies: 1
    • Views: 715
    01-09-2005, 06:54 PM Go to last post
  22. 225 Opti miss

    Started by 2us70, 05-07-2014 10:16 AM
    • Replies: 3
    • Views: 432
    07-29-2014, 03:17 AM Go to last post
  23. Bigfoot 40hp EFI fuel pressure

    Started by 4fiddyR, 06-28-2015 05:46 PM
    • Replies: 1
    • Views: 241
    08-23-2015, 10:36 PM Go to last post

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