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Forum: Four Stroke and Direct Injected Two Stroke 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: 68,327
    06-28-2015, 03:01 PM Go to last post
  1. 225 Optimax Pro XS performance.

    Started by Bassfisher360, 11-24-2024 09:19 AM
    • Replies: 6
    • Views: 382
    11-24-2024, 07:09 PM Go to last post
  2. Optimax 150 feedback wanted…

    Started by Euroski, 09-22-2024 10:40 AM
    • Replies: 1
    • Views: 535
    11-24-2024, 09:17 AM Go to last post
  3. 300XS alternator problems

    Started by JR IN JAX, 10-15-2024 06:49 PM
    • Replies: 3
    • Views: 730
    10-22-2024, 05:39 AM Go to last post
  4. Fastest 4 stroke 40hp?

    Started by yakfish, 09-08-2024 05:01 PM
    • Replies: 0
    • Views: 244
    09-08-2024, 05:01 PM Go to last post
  5. Anyone running a Brp 3 cyl 150?

    Started by powerabout, 08-18-2024 08:27 PM
    • Replies: 3
    • Views: 523
    09-04-2024, 10:47 PM Go to last post
  6. 1993 XRi 200hp no fuel to cylinders

    Started by Vieacinq, 08-16-2024 07:34 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 784
    08-24-2024, 05:37 AM Go to last post
    • Replies: 1
    • Views: 237
    08-19-2024, 02:06 PM Go to last post
  7. Optimax: What to do after being submerged

    Started by Kevin Turner, 06-08-2024 06:06 PM
    • Replies: 8
    • Views: 1,089
    06-18-2024, 11:42 AM Go to last post
  8. Yamaha SHO Solid mounts and lower unit mods

    Started by xb03fs, 02-18-2015 08:32 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,793
    05-31-2024, 03:03 PM Go to last post
    • Replies: 4
    • Views: 463
    05-13-2024, 07:55 AM Go to last post
  9. 25 Tohatsu

    Started by Thumper121671, 05-09-2024 04:16 PM
    • Replies: 0
    • Views: 266
    05-09-2024, 04:16 PM Go to last post
  10. Optimax Air Injector Connector

    Started by MadMat, 04-27-2024 03:16 AM
    • Replies: 2
    • Views: 353
    05-04-2024, 05:34 PM Go to last post
  11. Mercury Racing Verado L4 200

    Started by Han, 03-18-2024 12:52 AM
    • Replies: 4
    • Views: 607
    04-11-2024, 03:22 PM Go to last post
  12. Mercury Marine ECU repair

    Started by Simon, 03-14-2024 04:17 PM
    • Replies: 3
    • Views: 506
    03-18-2024, 01:28 PM Go to last post
  13. Hpdi medium pressure fuel filter alternative

    Started by foodie, 10-07-2023 05:26 AM
    • Replies: 1
    • Views: 506
    02-15-2024, 09:24 AM Go to last post
  14. Mercury Dominates Big OB 4 Stroke Market

    Started by WaterZebra, 07-03-2023 10:21 PM
    • Replies: 9
    • Views: 2,469
    01-28-2024, 03:13 PM Go to last post
  15. I think Mercury Racing should make this!

    Started by Scream And Fly, 01-14-2024 08:17 AM
    • Replies: 3
    • Views: 1,072
    01-14-2024, 08:03 PM Go to last post
  16. *** SPY PHOTOS*** ETEC Drag

    Started by FlowMaxx, 06-07-2010 07:02 PM
    57 Pages
    1 2 3 4 5 6 7 8 9 10 ... 57
    • Replies: 847
    • Views: 184,619
    01-11-2024, 09:47 PM Go to last post
  17. BRP E Tec 250

    Started by Boosting, 11-02-2023 03:53 PM
    • Replies: 2
    • Views: 1,104
    12-31-2023, 08:30 AM Go to last post
  18. Yamaha HPDI ECU Mods

    Started by lance, 03-04-2013 10:13 AM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 19,969
    11-23-2023, 10:10 PM Go to last post
  19. Optimax Fuel Rail

    Started by lowedown, 11-17-2023 05:34 PM
    • Replies: 4
    • Views: 863
    11-20-2023, 11:47 AM Go to last post
  20. Honda V8 350 HP

    Started by WaterZebra, 11-16-2023 11:04 AM
    • Replies: 0
    • Views: 576
    11-16-2023, 11:04 AM Go to last post
  21. Merc 300/450 air vents

    Started by Hebert519, 08-09-2023 03:25 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,752
    11-08-2023, 05:29 PM Go to last post
  22. Evinrude 150 ficht

    Started by SRU, 10-21-2023 06:03 AM
    • Replies: 0
    • Views: 570
    10-21-2023, 06:03 AM Go to last post
  23. Chasing Yamaha HPDI 300 service manual

    Started by foodie, 10-09-2023 04:57 AM
    • Replies: 1
    • Views: 458
    10-18-2023, 06:33 AM Go to last post
  24. Yamaha HPDI build/port work (let's talk port timing)

    Started by canuckr, 02-13-2021 12:04 PM
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 9,268
    10-04-2023, 07:35 AM Go to last post
  25. Opti Fuel system rebuild kit?

    Started by DieselDood, 09-27-2023 04:28 PM
    • Replies: 1
    • Views: 527
    09-28-2023, 07:34 AM Go to last post
  26. Opti Computers

    Started by DieselDood, 09-26-2023 04:08 PM
    • Replies: 4
    • Views: 643
    09-27-2023, 08:33 AM Go to last post
  27. 225 Opti First fire

    Started by DieselDood, 09-20-2023 09:01 AM
    • Replies: 12
    • Views: 840
    09-23-2023, 04:10 PM Go to last post
  28. how the Optimax Multi-Point Oil Pump works

    Started by noli, 01-06-2019 08:59 AM
    • Replies: 6
    • Views: 7,076
    09-18-2023, 11:15 AM Go to last post
  29. 2000 Optimax 225 starts & Stalls

    Started by MadMat, 09-11-2023 01:55 AM
    • Replies: 4
    • Views: 626
    09-12-2023, 07:58 AM Go to last post
    • Replies: 0
    • Views: 364
    09-07-2023, 07:58 AM Go to last post
  30. Compressor rebuild on Optimax 135

    Started by littledoodie99, 08-10-2023 10:04 AM
    • Replies: 6
    • Views: 952
    08-16-2023, 08:49 PM Go to last post
  31. 2003 225 Optimax fuel/air problems

    Started by velox, 08-04-2023 10:19 AM
    225 optimax, direct fuel injection
    • Replies: 7
    • Views: 987
    08-06-2023, 11:23 AM Go to last post
    • Replies: 3
    • Views: 831
    08-05-2023, 02:24 PM Go to last post
  32. White Smoke/misfire optimax 250 xs 2003

    Started by Edgewater225, 05-29-2023 04:37 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 2,012
    07-30-2023, 12:04 PM Go to last post
  33. Mercury 60r

    Started by NZ Sidewinder, 07-11-2023 04:22 AM
    • Replies: 11
    • Views: 2,150
    07-27-2023, 07:24 AM Go to last post
  34. 300xs...possible compressor problem?

    Started by motuman, 07-20-2023 11:51 PM
    • Replies: 8
    • Views: 1,353
    07-23-2023, 01:10 PM Go to last post
  35. 2001 Yamaha 150 hpdi

    Started by traviss224, 07-20-2023 08:50 AM
    • Replies: 8
    • Views: 869
    07-20-2023, 12:34 PM Go to last post

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