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Threads 521 to 560 of 1184

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: 28,549
    06-28-2015, 03:01 PM Go to last post
  1. Naca ducts , 225-300 opti

    Started by Skater 32, 08-21-2011 09:17 PM
    • Replies: 0
    • Views: 686
    08-21-2011, 09:17 PM Go to last post
  2. whats the differance between 300xs and 250xs tuner

    Started by mad dan, 08-09-2011 05:41 PM
    • Replies: 2
    • Views: 1,368
    08-17-2011, 08:17 PM Go to last post
  3. 250xs - L to XL Conversion -Guidance please

    Started by Red Hunter, 08-11-2011 01:09 PM
    • Replies: 6
    • Views: 580
    08-15-2011, 10:34 AM Go to last post
  4. Mercury Pro xs 250

    Started by ckswitzer, 08-05-2011 09:44 AM
    • Replies: 2
    • Views: 497
    08-14-2011, 07:34 PM Go to last post
  5. BRC / Rotax /Johnson outboard ?

    Started by theoldwizard, 07-31-2011 08:44 PM
    • Replies: 8
    • Views: 1,474
    08-08-2011, 10:17 PM Go to last post
  6. water temp affecting performance?

    Started by kostas74, 07-09-2011 03:04 PM
    • Replies: 4
    • Views: 883
    07-29-2011, 11:46 AM Go to last post
  7. optimax's power

    Started by kostas74, 02-15-2009 12:43 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,049
    07-28-2011, 11:58 AM Go to last post
  8. 4 Stroke Fuel Economy vs 2 Strokers

    Started by tj309, 06-25-2011 06:36 PM
    • Replies: 14
    • Views: 3,092
    07-22-2011, 10:10 AM Go to last post
  9. OPC Super-Sport information

    Started by Danny McManus, 08-31-2004 01:38 AM
    5 Pages
    1 2 3 4 5
    • Replies: 73
    • Views: 6,529
    07-19-2011, 12:39 AM Go to last post
  10. 250HO's gearcase

    Started by kostas74, 04-22-2011 03:37 PM
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 5,869
    07-15-2011, 09:12 PM Go to last post
  11. Unhappy Vibrating 2008 Optimax 175

    Started by Steff008, 07-14-2009 02:50 AM
    • Replies: 12
    • Views: 3,366
    07-06-2011, 07:28 AM Go to last post
  12. Fuel in Optimax air pump

    Started by ucf_motorcycle, 07-01-2011 07:05 PM
    • Replies: 4
    • Views: 936
    07-02-2011, 08:02 PM Go to last post
  13. quickie on indexing FICHT plugs?

    Started by pcrussell50, 06-30-2011 04:09 PM
    • Replies: 3
    • Views: 546
    07-01-2011, 03:11 PM Go to last post
  14. 300xs Water Separator??

    Started by Air It Out, 06-25-2011 08:45 PM
    • Replies: 3
    • Views: 611
    06-26-2011, 05:31 PM Go to last post
  15. 115 opti problem.

    Started by kostas74, 05-31-2011 06:15 AM
    • Replies: 10
    • Views: 1,204
    06-13-2011, 09:53 PM Go to last post
  16. Low water pressure??

    Started by stealthperf, 06-06-2011 10:17 PM
    • Replies: 2
    • Views: 832
    06-13-2011, 08:57 PM Go to last post
  17. Breaking In 300xs?

    Started by Air It Out, 06-08-2011 02:26 PM
    • Replies: 3
    • Views: 849
    06-10-2011, 11:35 PM Go to last post
  18. 300xs 101

    Started by Fassster, 06-06-2011 07:28 AM
    • Replies: 10
    • Views: 1,361
    06-10-2011, 10:17 AM Go to last post
  19. 225 std. Opti cowl vs 250xs cowl?

    Started by aaronmt73, 06-06-2011 11:00 AM
    • Replies: 3
    • Views: 597
    06-06-2011, 11:35 AM Go to last post
  20. Ecu/flywheel mod

    Started by kostas74, 08-05-2010 03:05 PM
    5 Pages
    1 2 3 4 5
    • Replies: 63
    • Views: 7,677
    06-02-2011, 01:34 PM Go to last post
  21. '11 300XS weight

    Started by Rayzor, 05-20-2011 10:38 PM
    • Replies: 3
    • Views: 1,023
    05-31-2011, 09:40 PM Go to last post
  22. 2010 250xs Sport

    Started by tailchaser22, 05-28-2011 09:08 PM
    • Replies: 6
    • Views: 756
    05-31-2011, 10:52 AM Go to last post
  23. New 300xs powerhead color

    Started by FullAuto9, 05-16-2011 11:40 PM
    • Replies: 10
    • Views: 1,396
    05-30-2011, 03:27 PM Go to last post
  24. Quiet Evinrude E-Tec 250HO @ 83mph VIDEO's

    Started by LIQUID NIRVANA, 03-23-2011 02:35 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,566
    05-27-2011, 04:10 PM Go to last post
  25. 350sci and sportmaster

    Started by JoshF, 05-05-2011 10:34 PM
    • Replies: 3
    • Views: 926
    05-23-2011, 08:52 PM Go to last post
  26. 200 Opti's fuel pressure

    Started by kostas74, 05-18-2011 02:36 PM
    • Replies: 7
    • Views: 576
    05-21-2011, 02:53 PM Go to last post
  27. Rust in optimax fuel rail

    Started by ucf_motorcycle, 05-17-2011 03:50 PM
    • Replies: 5
    • Views: 1,044
    05-18-2011, 03:05 PM Go to last post
  28. Etec Hours??

    Started by ROLF, 04-21-2011 03:08 PM
    • Replies: 7
    • Views: 1,249
    05-15-2011, 09:28 PM Go to last post
  29. 200 Opti VS 200HO

    Started by kostas74, 05-07-2011 05:00 PM
    • Replies: 2
    • Views: 623
    05-15-2011, 03:57 PM Go to last post
  30. 225-250 optimax 25"

    Started by trex, 05-08-2011 08:10 AM
    • Replies: 0
    • Views: 323
    05-08-2011, 08:10 AM Go to last post
  31. breaking in a rebuilt 2004 250xs

    Started by aaronmt73, 05-05-2011 05:02 PM
    • Replies: 6
    • Views: 640
    05-05-2011, 10:23 PM Go to last post
  32. E-Tec ECU check

    Started by bnjackson5, 04-28-2011 10:36 PM
    • Replies: 6
    • Views: 878
    05-02-2011, 08:45 PM Go to last post
  33. verado hp??

    Started by aussiebullet, 04-29-2011 04:19 AM
    • Replies: 1
    • Views: 435
    04-30-2011, 03:48 AM Go to last post
  34. cheapest optimax scanner option?

    Started by ucf_motorcycle, 04-18-2011 08:42 PM
    • Replies: 7
    • Views: 2,493
    04-28-2011, 10:55 AM Go to last post
  35. Which Outboard

    Started by spbutler, 04-20-2011 10:45 PM
    • Replies: 11
    • Views: 1,714
    04-26-2011, 10:39 AM Go to last post
  36. 2011 Mercury Pro XS Mods

    Started by spidee, 02-03-2011 08:45 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,846
    04-19-2011, 12:26 PM Go to last post
  37. 2.6 200 yamaha power ups....

    Started by ivan2214, 03-31-2011 09:34 AM
    • Replies: 3
    • Views: 692
    04-16-2011, 06:13 PM Go to last post

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