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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: 42,695
    06-28-2015, 03:01 PM Go to last post
  1. Reliable bass boat repower? Optimax?

    Started by simpson_3, 01-14-2021 12:46 PM
    • Replies: 4
    • Views: 121
    01-15-2021, 01:20 PM Go to last post
  2. 300xs rebuild.

    Started by Revolution141, 07-07-2012 03:05 AM
    • Replies: 11
    • Views: 2,778
    01-15-2021, 01:18 PM Go to last post
  3. Optimax water tube

    Started by Peetee907, 01-01-2021 12:14 PM
    • Replies: 8
    • Views: 287
    01-08-2021, 11:09 AM Go to last post
  4. 300XS Rebuild

    Started by DewRonInc, 01-01-2021 08:46 PM
    • Replies: 2
    • Views: 262
    01-05-2021, 12:17 PM Go to last post
    • Replies: 1
    • Views: 857
    12-20-2020, 09:20 PM Go to last post
  5. optimax compressor rebuild?

    Started by aaronmt73, 09-26-2012 07:10 AM
    • Replies: 12
    • Views: 6,841
    12-08-2020, 10:52 PM Go to last post
  6. Dirt dauber damage

    Started by DewRonInc, 10-24-2020 11:07 PM
    • Replies: 14
    • Views: 651
    12-08-2020, 10:50 PM Go to last post
  7. 2011 Mercury 200hp pro xs differences

    Started by Promaxin, 08-15-2020 05:12 AM
    • Replies: 7
    • Views: 1,355
    11-30-2020, 10:27 AM Go to last post
    • Replies: 12
    • Views: 606
    11-14-2020, 05:25 PM Go to last post
  8. 115 hp optimax oil filter?

    Started by Peetee907, 11-01-2020 12:22 PM
    • Replies: 8
    • Views: 214
    11-07-2020, 10:37 AM Go to last post
  9. Compressor bore size

    Started by DewRonInc, 11-02-2020 12:15 AM
    • Replies: 4
    • Views: 229
    11-02-2020, 07:07 PM Go to last post
  10. 300 xs beyond dbr ecu and flywheel?

    Started by xb03fs, 10-25-2020 10:14 AM
    • Replies: 1
    • Views: 314
    10-25-2020, 10:20 AM Go to last post
  11. 300XS Air Compressor Overheat - Next Steps

    Started by bustedbrick, 09-29-2020 07:12 AM
    • Replies: 5
    • Views: 301
    10-23-2020, 10:09 PM Go to last post
  12. Where did the inline 6 Merc forum go?

    Started by revlimiter776, 08-04-2020 06:12 AM
    • Replies: 5
    • Views: 1,321
    10-12-2020, 03:20 AM Go to last post
  13. 2011 Merc 300xs loss of 1000 rpm 57 hours

    Started by 28SkaterCa., 07-05-2013 10:08 AM
    • Replies: 8
    • Views: 1,064
    10-09-2020, 12:16 PM Go to last post
  14. Verado L/U questions

    Started by TraceF3, 09-26-2020 02:27 PM
    • Replies: 4
    • Views: 479
    10-04-2020, 12:00 PM Go to last post
  15. 2007 e-tec 250 HO oil issue

    Started by Just 1 More, 09-04-2020 07:26 PM
    • Replies: 3
    • Views: 1,023
    09-06-2020, 06:26 AM Go to last post
  16. 400r issue

    Started by kirtmorris, 06-27-2020 05:18 AM
    • Replies: 8
    • Views: 1,101
    08-31-2020, 06:26 AM Go to last post
  17. How to Rebuild your Yamaha Four Stroke

    Started by noli, 08-23-2020 12:11 PM
    • Replies: 4
    • Views: 829
    08-23-2020, 12:14 PM Go to last post
  18. 2001 225 Opti

    Started by mango, 08-14-2020 05:05 PM
    • Replies: 0
    • Views: 1,604
    08-14-2020, 05:05 PM Go to last post
  19. Yamaha F50 Performance Upgrades

    Started by jdp0512, 08-12-2020 05:27 PM
    • Replies: 1
    • Views: 781
    08-14-2020, 06:15 AM Go to last post
  20. 225 HPDI rebuild

    Started by FORBESAUTO, 02-23-2019 07:38 PM
    9 Pages
    1 2 3 4 5 6 7 8 9
    • Replies: 121
    • Views: 13,246
    08-11-2020, 08:58 AM Go to last post
  21. 1984 inline 6 115 HP Enricher valve

    Started by Bluecollerboater, 08-02-2020 09:40 PM
    • Replies: 3
    • Views: 1,301
    08-03-2020, 12:49 PM Go to last post
  22. 09 225 opti has low voltage fault code

    Started by XstreamVking, 07-22-2020 12:41 PM
    • Replies: 8
    • Views: 1,328
    07-27-2020, 05:26 PM Go to last post
  23. 300xs Rebuild

    Started by RSWORDS, 04-25-2020 11:21 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,675
    07-22-2020, 08:18 PM Go to last post
  24. 07 250 proxs

    Started by rickriddle, 07-19-2020 11:51 AM
    • Replies: 0
    • Views: 856
    07-19-2020, 11:51 AM Go to last post
  25. Weight question

    Started by PRE-Z06, 07-15-2020 01:25 PM
    • Replies: 3
    • Views: 1,311
    07-15-2020, 05:27 PM Go to last post
  26. How to clean or rebuild your Mercury VST

    Started by noli, 02-17-2019 09:41 AM
    • Replies: 5
    • Views: 1,895
    07-04-2020, 02:48 PM Go to last post
  27. 300 ProXS vs 300R actual hp

    Started by PRE-Z06, 05-16-2020 12:18 PM
    • Replies: 11
    • Views: 1,376
    07-04-2020, 12:07 PM Go to last post
  28. Solid lower Mercury 4-stroke mounts...

    Started by PRE-Z06, 05-22-2020 12:03 AM
    • Replies: 3
    • Views: 948
    06-25-2020, 06:48 AM Go to last post
  29. Optimax oil pump question.

    Started by XstreamVking, 06-09-2020 08:22 AM
    • Replies: 6
    • Views: 1,011
    06-09-2020, 04:07 PM Go to last post
  30. Dts /shift problem Mercury Verado 250hp 2006

    Started by darkdream, 05-30-2020 11:47 AM
    • Replies: 3
    • Views: 1,313
    05-31-2020, 05:21 PM Go to last post
  31. No more tuning available for Mercury 4-strokes?

    Started by PRE-Z06, 05-26-2020 07:44 PM
    • Replies: 7
    • Views: 890
    05-29-2020, 05:34 AM Go to last post
  32. Brand Name Colors - Never Say "Never"?

    Started by WaterZebra, 05-17-2020 11:42 AM
    • Replies: 3
    • Views: 600
    05-20-2020, 04:33 PM Go to last post
  33. Need help wiring solenoids on trim pumps!

    Started by Catarocket, 05-18-2020 05:57 AM
    • Replies: 3
    • Views: 292
    05-19-2020, 11:05 AM Go to last post
  34. testing CDM procedure question

    Started by KZaker, 05-14-2020 07:10 PM
    • Replies: 1
    • Views: 1,123
    05-15-2020, 10:03 AM Go to last post
  35. 2003 Mercury 250 efi down draft

    Started by jcoop421, 02-22-2020 10:07 AM
    • Replies: 4
    • Views: 1,337
    05-11-2020, 08:50 PM Go to last post
  36. Verado 225 temp cycling up and down. Need advice!

    Started by oper600, 04-30-2020 10:54 AM
    • Replies: 1
    • Views: 322
    05-01-2020, 05:04 PM Go to last post
  37. Etec engines

    Started by Cadtech, 04-19-2020 02:01 PM
    • Replies: 7
    • Views: 909
    04-21-2020, 03:58 PM Go to last post
  38. Looking for a 1999 evinrude ficht emm

    Started by davepnola, 04-12-2020 10:39 PM
    • Replies: 3
    • Views: 1,622
    04-14-2020, 06:52 AM Go to last post

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