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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
    1 Attachment(s)
    • Replies: 37
    • Views: 66,092
    cmn
    06-28-2015, 03:01 PM Go to last post

  1. What causes this build up on 300xs throttle body plate

    Started by LOSTINJ, 07-10-2024 11:44 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 287
    Jim Speros
    07-18-2024, 08:37 AM Go to last post

  2. How come my 2012 300xs didn't come with velocity stack

    Started by LOSTINJ, 07-07-2024 10:04 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 374
    LOSTINJ
    07-10-2024, 12:36 PM Go to last post

  3. Optimax: What to do after being submerged

    Started by Kevin Turner, 06-08-2024 06:06 PM
    • Replies: 8
    • Views: 699
    2us70
    06-18-2024, 11:42 AM Go to last post

  4. Yamaha SHO Solid mounts and lower unit mods

    Started by xb03fs, 02-18-2015 08:32 AM
    2 Pages •
    1 2
    • Replies: 16
    • Views: 2,349
    GETBOATS
    05-31-2024, 03:03 PM Go to last post

  5. Anyone make oversized pistons for a Suzuki DF 150 4t

    Started by ratman67, 05-11-2024 10:23 PM
    • Replies: 4
    • Views: 281
    rock
    05-13-2024, 07:55 AM Go to last post

  6. 25 Tohatsu

    Started by Thumper121671, 05-09-2024 04:16 PM
    • Replies: 0
    • Views: 110
    Thumper121671
    05-09-2024, 04:16 PM Go to last post

  7. Optimax Air Injector Connector

    Started by MadMat, 04-27-2024 03:16 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 201
    4Speed
    05-04-2024, 05:34 PM Go to last post

  8. Mercury Racing Verado L4 200

    Started by Han, 03-18-2024 12:52 AM
    • Replies: 4
    • Views: 399
    HydroSkreamin
    04-11-2024, 03:22 PM Go to last post

  9. Mercury Marine ECU repair

    Started by Simon, 03-14-2024 04:17 PM
    • Replies: 3
    • Views: 241
    PaulR
    03-18-2024, 01:28 PM Go to last post

  10. Hpdi medium pressure fuel filter alternative

    Started by foodie, 10-07-2023 05:26 AM
    • Replies: 1
    • Views: 388
    Robert
    02-15-2024, 09:24 AM Go to last post

  11. Mercury Dominates Big OB 4 Stroke Market

    Started by WaterZebra, 07-03-2023 10:21 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 2,230
    NICE PAIR
    01-28-2024, 03:13 PM Go to last post

  12. I think Mercury Racing should make this!

    Started by Scream And Fly, 01-14-2024 08:17 AM
    1 Attachment(s)
    • Replies: 3
    • Views: 782
    mragu
    01-14-2024, 08:03 PM Go to last post

  13. *** 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
    47 Attachment(s)
    • Replies: 847
    • Views: 174,341
    wicheckmate
    01-11-2024, 09:47 PM Go to last post

  14. BRP E Tec 250

    Started by Boosting, 11-02-2023 03:53 PM
    • Replies: 2
    • Views: 790
    idvette
    12-31-2023, 08:30 AM Go to last post

  15. Yamaha HPDI ECU Mods

    Started by lance, 03-04-2013 10:13 AM
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 38
    • Views: 19,092
    Yamaha 225
    11-23-2023, 10:10 PM Go to last post

  16. Optimax Fuel Rail

    Started by lowedown, 11-17-2023 05:34 PM
    • Replies: 4
    • Views: 631
    InjectorService
    11-20-2023, 11:47 AM Go to last post

  17. Honda V8 350 HP

    Started by WaterZebra, 11-16-2023 11:04 AM
    • Replies: 0
    • Views: 383
    WaterZebra
    11-16-2023, 11:04 AM Go to last post

  18. If your XS suddenly becomes sick and won't get on a plane or go above 2500 RPM....

    Started by JR IN JAX, 11-14-2023 09:08 AM
    • Replies: 4
    • Views: 603
    bouyhead
    11-15-2023, 08:33 PM Go to last post

  19. Merc 300/450 air vents

    Started by Hebert519, 08-09-2023 03:25 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 17
    • Views: 3,075
    Beak Boater
    11-08-2023, 05:29 PM Go to last post

  20. Evinrude 150 ficht

    Started by SRU, 10-21-2023 06:03 AM
    • Replies: 0
    • Views: 411
    SRU
    10-21-2023, 06:03 AM Go to last post

  21. Chasing Yamaha HPDI 300 service manual

    Started by foodie, 10-09-2023 04:57 AM
    • Replies: 1
    • Views: 324
    aj06bolt12r
    10-18-2023, 06:33 AM Go to last post

  22. 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
    31 Attachment(s)
    • Replies: 48
    • Views: 8,372
    canuckr
    10-04-2023, 07:35 AM Go to last post

  23. Opti Fuel system rebuild kit?

    Started by DieselDood, 09-27-2023 04:28 PM
    • Replies: 1
    • Views: 365
    XstreamVking
    09-28-2023, 07:34 AM Go to last post

  24. Opti Computers

    Started by DieselDood, 09-26-2023 04:08 PM
    • Replies: 4
    • Views: 477
    DieselDood
    09-27-2023, 08:33 AM Go to last post

  25. 225 Opti First fire

    Started by DieselDood, 09-20-2023 09:01 AM
    • Replies: 12
    • Views: 638
    DieselDood
    09-23-2023, 04:10 PM Go to last post

  26. how the Optimax Multi-Point Oil Pump works

    Started by noli, 01-06-2019 08:59 AM
    • Replies: 6
    • Views: 6,853
    XstreamVking
    09-18-2023, 11:15 AM Go to last post

  27. 2000 Optimax 225 starts & Stalls

    Started by MadMat, 09-11-2023 01:55 AM
    • Replies: 4
    • Views: 438
    XstreamVking
    09-12-2023, 07:58 AM Go to last post

  28. Broken spring in fuel pressure reg on optimax.

    Started by XstreamVking, 09-07-2023 07:58 AM
    • Replies: 0
    • Views: 243
    XstreamVking
    09-07-2023, 07:58 AM Go to last post

  29. Compressor rebuild on Optimax 135

    Started by littledoodie99, 08-10-2023 10:04 AM
    • Replies: 6
    • Views: 707
    littledoodie99
    08-16-2023, 08:49 PM Go to last post

  30. 2003 225 Optimax fuel/air problems

    Started by velox, 08-04-2023 10:19 AM
    225 optimax, direct fuel injection
    • Replies: 7
    • Views: 657
    velox
    08-06-2023, 11:23 AM Go to last post

  31. Optimax air injectors flow too high after cleaning = problem or no?

    Started by motuman, 07-31-2023 04:36 PM
    1 Attachment(s)
    • Replies: 3
    • Views: 634
    motuman
    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
    5 Attachment(s)
    • Replies: 23
    • Views: 1,629
    Edgewater225
    07-30-2023, 12:04 PM Go to last post

  33. Mercury 60r

    Started by NZ Sidewinder, 07-11-2023 04:22 AM
    5 Attachment(s)
    • Replies: 11
    • Views: 1,838
    Rsatch
    07-27-2023, 07:24 AM Go to last post

  34. 300xs...possible compressor problem?

    Started by motuman, 07-20-2023 11:51 PM
    2 Attachment(s)
    • Replies: 8
    • Views: 1,091
    motuman
    07-23-2023, 01:10 PM Go to last post

  35. 2001 Yamaha 150 hpdi

    Started by traviss224, 07-20-2023 08:50 AM
    2 Attachment(s)
    • Replies: 8
    • Views: 695
    allaction
    07-20-2023, 12:34 PM Go to last post

  36. Etec 2013 250 Hp

    Started by MrG, 06-13-2023 05:16 PM
    • Replies: 6
    • Views: 920
    MrG
    06-18-2023, 06:29 AM Go to last post

  37. Optimax. Unplugged wire, plug it back in?

    Started by Edgewater225, 06-03-2023 02:26 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 614
    MrG
    06-13-2023, 05:12 PM Go to last post

  38. 2 Stroke is performance King

    Started by Lake X Kid, 02-11-2023 05:10 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 15
    • Views: 2,305
    Dave S
    06-12-2023, 08:50 PM Go to last post

  39. 300x

    Started by Tooned In, 05-15-2023 04:18 PM
    • Replies: 0
    • Views: 431
    Tooned In
    05-15-2023, 04:18 PM Go to last post

  40. Mercury 60 4S

    Started by slowJEEP, 02-02-2023 02:23 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 27
    • Views: 2,199
    derekfl
    05-11-2023, 02:46 PM Go to last post
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