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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: 36,812
    06-28-2015, 03:01 PM Go to last post
  1. 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: 19
    • Views: 1,536
    11-13-2019, 12:19 PM Go to last post
  2. 250 sho yammi throttle shift

    Started by XstreamVking, 11-05-2019 04:14 PM
    • Replies: 1
    • Views: 229
    11-06-2019, 02:36 PM Go to last post
  3. Question 2001 150 Opti, Injectors Don’t Open?

    Started by Salty Dog, 06-24-2019 11:35 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,102
    11-02-2019, 12:45 PM Go to last post
  4. Opti spark plugs are black

    Started by David, 10-25-2019 07:18 PM
    • Replies: 11
    • Views: 1,473
    11-01-2019, 09:31 AM Go to last post
  5. New Mercury 300 Pro XS V8 vs 300R V8

    Started by Skip 7750, 05-20-2018 06:04 PM
    4 Pages
    1 2 3 4
    • Replies: 46
    • Views: 18,142
    10-10-2019, 12:00 PM Go to last post
  6. Verado old and new vs 300r

    Started by Tranq, 10-09-2019 06:22 PM
    • Replies: 0
    • Views: 296
    10-09-2019, 06:22 PM Go to last post
  7. Exclamation Friendly debates vs personal attacks

    Started by Scream And Fly, 09-23-2019 06:25 PM
    • Replies: 2
    • Views: 903
    10-09-2019, 06:57 AM Go to last post
  8. 2007 300xs odd fault/smartcraft issue.

    Started by 288sunny, 08-11-2019 08:37 AM
    • Replies: 4
    • Views: 609
    09-10-2019, 03:06 PM Go to last post
  9. 250 pro xs performance mods?

    Started by Rsissom918, 07-30-2019 11:14 AM
    mercury pro xs 250
    • Replies: 11
    • Views: 2,085
    09-07-2019, 08:48 PM Go to last post
    • Replies: 12
    • Views: 2,203
    09-06-2019, 04:31 PM Go to last post
  10. 225 HPDI rebuild

    Started by FORBESAUTO, 02-23-2019 07:38 PM
    8 Pages
    1 2 3 4 5 6 7 8
    • Replies: 106
    • Views: 7,171
    08-27-2019, 09:05 AM Go to last post
  11. Rigging tube size on 300R

    Started by mjw930, 08-22-2019 06:17 PM
    • Replies: 1
    • Views: 817
    08-26-2019, 05:37 PM Go to last post
  12. Lightbulb Best way to turn up a 3.3 ltr Evinrude

    Started by MrG, 08-25-2019 07:14 PM
    • Replies: 2
    • Views: 495
    08-26-2019, 12:28 PM Go to last post
  13. Converting to trip outboards

    Started by Corysprouts84, 08-13-2019 09:41 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,190
    08-19-2019, 11:30 AM Go to last post
    • Replies: 17
    • Views: 1,134
    08-19-2019, 08:17 AM Go to last post
  14. 300R “what’s in the box” questions

    Started by mjw930, 08-18-2019 09:50 AM
    • Replies: 0
    • Views: 1,091
    08-18-2019, 09:50 AM Go to last post
  15. 1984 Mercury 115 EL inline 6

    Started by Bluecollerboater, 07-16-2019 03:02 PM
    • Replies: 13
    • Views: 750
    08-04-2019, 01:41 PM Go to last post
  16. Smartcraft for 200XS

    Started by David, 04-19-2019 01:10 PM
    • Replies: 5
    • Views: 636
    07-25-2019, 07:21 PM Go to last post
  17. 2011 optimax 200's, I keep breaking reeds

    Started by Krabill, 07-24-2019 12:41 PM
    • Replies: 8
    • Views: 832
    07-25-2019, 12:17 PM Go to last post
  18. 600 hp 400 r + 500 hp 300r

    Started by Chaz, 06-11-2019 10:35 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 4,386
    07-18-2019, 07:14 AM Go to last post
  19. Question 150 Optimax Fuses?

    Started by Salty Dog, 07-15-2019 06:49 AM
    • Replies: 6
    • Views: 484
    07-16-2019, 08:38 AM Go to last post
  20. Beeping optimax

    Started by XstreamVking, 07-09-2019 07:42 AM
    • Replies: 5
    • Views: 1,707
    07-10-2019, 10:31 AM Go to last post
  21. 300R vs 300X

    Started by PRE-Z06, 04-03-2019 01:38 PM
    13 Pages
    1 2 3 4 5 6 7 8 9 10 ... 13
    • Replies: 188
    • Views: 13,009
    06-29-2019, 06:37 PM Go to last post
  22. 06 225 Optimax, Spools up then drops down on power

    Started by cr250, 06-23-2019 05:47 PM
    • Replies: 11
    • Views: 686
    06-27-2019, 04:14 PM Go to last post
  23. Opti 250 Pro XS down on power

    Started by Hebert519, 06-23-2019 11:15 AM
    • Replies: 5
    • Views: 608
    06-23-2019, 08:46 PM Go to last post
  24. perfect WOT rpm '05 etec 225 HO

    Started by derpid, 06-03-2019 09:46 PM
    • Replies: 6
    • Views: 2,077
    06-14-2019, 03:07 PM Go to last post
  25. Verado supercharger max psi

    Started by vi top shatta, 05-22-2019 01:05 PM
    • Replies: 13
    • Views: 1,415
    06-04-2019, 10:20 PM Go to last post
  26. I need a 120+miles etec

    Started by Twister24etec, 05-07-2019 04:00 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,904
    05-29-2019, 08:54 AM Go to last post
  27. 300 xs injectors

    Started by salahskyline, 04-29-2019 02:06 AM
    • Replies: 6
    • Views: 849
    05-26-2019, 04:38 PM Go to last post
  28. Optimax Compressor help!!!!!!

    Started by lvnspeed, 05-20-2019 07:24 PM
    • Replies: 6
    • Views: 1,688
    05-22-2019, 07:54 AM Go to last post
  29. 225 Optimax Compressor problem

    Started by lvnspeed, 05-06-2019 07:21 PM
    • Replies: 6
    • Views: 1,191
    05-20-2019, 08:26 AM Go to last post
  30. 2007 250 ProXs injector cleaning

    Started by ckswitzer, 05-08-2019 10:06 AM
    • Replies: 2
    • Views: 1,708
    05-20-2019, 06:30 AM Go to last post
  31. 98 250efi bleed line check valve alternatives?

    Started by GUGS, 05-06-2019 10:47 PM
    • Replies: 1
    • Views: 1,035
    05-07-2019, 08:11 AM Go to last post
  32. 300XS Attenuator Top hole size

    Started by savage, 05-02-2019 06:19 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 2,353
    05-06-2019, 08:44 AM Go to last post

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