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Forum: Yamaha PWC Performance (2-stroke)

PWC Performance modification discussion for the 2-stroke Yamaha Waverunners GP1300R and others.

  1. Exclamation Sticky Thread Sticky: 2-Stroke ***2017 Updates/Consensus/Inquiries/Best Suggestion***

    Started by GP123, 01-09-2017 10:03 PM
    9 Pages •
    1 2 3 ... 9
    8 Attachment(s)
    • Replies: 80
    • Views: 34,109
    butterbean_29512
    06-03-2021, 07:20 AM Go to last post

  2. Sticky Thread Sticky: How to Mod Your Ski

    Started by rossnemo, 09-02-2008 11:14 PM
    8 Pages •
    1 2 3 ... 8
    1 Attachment(s)
    • Replies: 78
    • Views: 77,081
    Wild Thing
    02-18-2020, 06:24 PM Go to last post

  3. Sticky Thread Sticky: When do I need an EFI fuel controller?

    Started by rossnemo, 07-10-2008 08:57 AM
    22 Pages •
    1 2 3 ... 22
    6 Attachment(s)
    • Replies: 213
    • Views: 102,408
    Britainj4129
    08-02-2019, 10:03 PM Go to last post

  4. Sticky Thread Sticky: GPR Ride Plate Testing

    Started by spud, 05-21-2006 02:27 PM
    16 Pages •
    1 2 3 ... 16
    26 Attachment(s)
    • Replies: 159
    • Views: 84,217
    Gprkid
    07-29-2018, 05:13 PM Go to last post

  5. Sticky Thread Sticky: Reed function 101...........

    Started by WATER WOODY, 09-03-2007 04:47 PM
    4 Pages •
    1 2 3 ... 4
    1 Attachment(s)
    • Replies: 32
    • Views: 54,166
    steelmesh
    03-14-2018, 10:44 AM Go to last post

  6. Sticky Thread Sticky: efi controller & oil injection

    Started by JIM'S PERFORMANCE, 08-12-2008 05:12 PM
    5 Pages •
    1 2 3 ... 5
    • Replies: 42
    • Views: 49,218
    ex-upser
    09-01-2017, 02:22 PM Go to last post

  7. Sticky Thread Sticky: NEW to site and want to have a fast SKI? LOOK HERE before POSTING

    Started by RUNWME, 03-12-2008 02:37 PM
    4 Pages •
    1 2 3 ... 4
    • Replies: 35
    • Views: 58,884
    Reecy
    08-23-2017, 09:16 PM Go to last post

  8. Arrow Sticky Thread Sticky: Yamaha gpr 2 stroke speed database

    Started by WATER WOODY, 05-25-2010 11:00 PM
    7 Pages •
    1 2 3 ... 7
    6 Attachment(s)
    • Replies: 65
    • Views: 66,773
    WATER WOODY
    05-15-2017, 08:24 PM Go to last post

  9. Thumbs up Sticky Thread Sticky: Everyone Please post one Speed Trick

    Started by 2fast4u, 12-25-2006 01:30 PM
    29 Pages •
    1 2 3 ... 29
    13 Attachment(s)
    • Replies: 283
    • Views: 197,722
    Hotrodaxel1976
    04-23-2017, 10:04 PM Go to last post

  10. Sticky Thread Sticky: Pump Pressure Relief Mod

    Started by rossnemo, 06-24-2007 09:39 PM
    19 Pages •
    1 2 3 ... 19
    30 Attachment(s)
    • Replies: 188
    • Views: 93,358
    Honda250r
    12-16-2016, 09:57 AM Go to last post

  11. Question Sticky Thread Sticky: Stainless Steel Intake Results?

    Started by 2fast4u, 09-26-2008 07:05 PM
    16 Pages •
    1 2 3 ... 16
    18 Attachment(s)
    • Replies: 156
    • Views: 69,643
    Adam
    07-09-2016, 01:35 AM Go to last post

  12. Sticky Thread Sticky: riva bilge pump bracket pattern

    Started by SUCKMYWAKE, 09-18-2005 02:07 PM
    4 Pages •
    1 2 3 ... 4
    6 Attachment(s)
    • Replies: 36
    • Views: 39,510
    GGG
    04-20-2016, 09:11 PM Go to last post

  13. Sticky Thread Sticky: Jetting with NOVI's.

    Started by Pistonwash, 03-21-2008 10:09 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 26
    • Views: 33,010
    Robbe144
    08-09-2015, 03:35 PM Go to last post

  14. Sticky Thread Sticky: What do these pitch numbers really mean?

    Started by jpa1300, 03-17-2008 09:26 PM
    6 Pages •
    1 2 3 ... 6
    • Replies: 57
    • Views: 77,258
    Danny Parker
    04-22-2014, 08:26 PM Go to last post

  15. Sticky Thread Sticky: New Gpr Bulletin

    Started by WAVEATER, 04-10-2008 10:00 AM
    13 Pages •
    1 2 3 ... 13
    5 Attachment(s)
    • Replies: 128
    • Views: 64,216
    Ricky Bobby
    09-22-2013, 02:35 AM Go to last post

  16. Sticky Thread Sticky: What hull angle is ideal? (angled plates, different nozzles, wedges, so many choices)

    Started by philip_gpr, 05-20-2009 09:26 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 17
    • Views: 27,510
    OzarkYamMonster
    10-30-2012, 05:43 PM Go to last post

  17. Sticky Thread Sticky: --> Yamaha GPR Platform - Inherent Hull Safety Issues

    Started by Shibby1485, 03-16-2008 10:00 AM
    5 Pages •
    1 2 3 ... 5
    1 Attachment(s)
    • Replies: 42
    • Views: 54,846
    fishlips723
    09-12-2012, 09:13 PM Go to last post

  18. Sticky Thread Sticky: Mega Pressure Relief

    Started by rossnemo, 10-28-2008 09:42 AM
    5 Pages •
    1 2 3 ... 5
    9 Attachment(s)
    • Replies: 42
    • Views: 42,380
    Hydrotoys
    11-20-2008, 11:25 PM Go to last post

  19. Exclamation Sticky Thread Sticky: Where should I post my questions

    Started by OsideBill, 07-30-2008 10:57 PM
    • Replies: 0
    • Views: 8,908
    OsideBill
    07-30-2008, 10:57 PM Go to last post

  20. Exclamation Sticky Thread Sticky: Check Intake grate and Steering Nozzle !

    Started by RX951, 07-24-2007 10:59 PM
    • Replies: 0
    • Views: 14,027
    RX951
    07-24-2007, 10:59 PM Go to last post

  1. Yamaha GP1300R engine rebuild

    Started by JakeDale, Yesterday 07:36 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 96
    Wild Thing
    Today, 05:14 PM Go to last post

  2. 2000 Yamaha SUV 1200

    Started by Techguy3, Yesterday 07:03 PM
    • Replies: 0
    • Views: 55
    Techguy3
    Yesterday, 07:03 PM Go to last post

  3. 2000 gp1200r loss of power. Won't rev past 4600 or so.

    Started by Krisgpr, 06-22-2019 09:38 PM
    • Replies: 7
    • Views: 881
    Krisgpr
    Yesterday, 12:58 PM Go to last post

  4. When I open the power valve the engines wants to die

    Started by Zulu989, 08-15-2021 12:47 PM
    9 Pages •
    1 2 3 ... 9
    4 Attachment(s)
    • Replies: 83
    • Views: 5,365
    Krisgpr
    Yesterday, 12:55 PM Go to last post

  5. XLT 800 Rebuild Questions

    Started by themist456, 05-20-2022 07:00 PM
    3 Attachment(s)
    • Replies: 1
    • Views: 103
    jeffg426690
    05-22-2022, 08:35 AM Go to last post

  6. GP1300R Surf/Wavejumper Ski Project

    Started by Wild Thing, 01-30-2022 08:28 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 772
    maiadash
    05-18-2022, 06:03 PM Go to last post

  7. removing coupler from crank

    Started by whiteyz, 08-26-2007 03:19 PM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 22
    • Views: 29,730
    steve45
    05-17-2022, 06:33 PM Go to last post

  8. How close do power valves come to the piston?

    Started by Peteysparks, 05-05-2022 07:26 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 186
    butterbean_29512
    05-13-2022, 11:30 AM Go to last post

  9. 96 waveblaster 2 bogging down at WOT

    Started by Grant8010, 05-06-2022 09:49 PM
    • Replies: 3
    • Views: 445
    Myself
    05-07-2022, 08:12 AM Go to last post

  10. '96 Waveblaster II top end parts - how do we rate after market vs OE parts?

    Started by Kiwiape, 05-02-2022 02:58 AM
    • Replies: 1
    • Views: 131
    butterbean_29512
    05-06-2022, 09:54 AM Go to last post

  11. 66v power valves-Yamaha couplers and the spongy operation.

    Started by Peteysparks, 11-22-2021 01:12 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 734
    butterbean_29512
    05-06-2022, 09:43 AM Go to last post

  12. ANY help in Raleigh area of NC?

    Started by jmscott, 04-14-2022 08:48 AM
    • Replies: 6
    • Views: 260
    butterbean_29512
    05-05-2022, 08:49 AM Go to last post

  13. Question 2004 gp1300r rebuilt with low compression and low rpm

    Started by Conner_hanny, 08-07-2020 09:41 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 17
    • Views: 891
    butterbean_29512
    05-05-2022, 08:44 AM Go to last post

  14. My GPR project - engine build in progress

    Started by RamblinGPR, 04-28-2022 07:18 PM
    10 Attachment(s)
    • Replies: 7
    • Views: 237
    RamblinGPR
    05-04-2022, 07:51 PM Go to last post

  15. Yamaha GP 800 99' carb rebuild and removing accelerator pump

    Started by calibrated1993, 04-30-2022 11:33 AM
    • Replies: 1
    • Views: 140
    steve45
    04-30-2022, 09:22 PM Go to last post

  16. ‘99 GP760 won’t crank….unless

    Started by Wrench, 04-19-2022 03:08 PM
    • Replies: 8
    • Views: 281
    Myself
    04-30-2022, 08:58 AM Go to last post

  17. 01 yamaha xlt 1200pv no power anywhere

    Started by Liquid_Assets, 05-28-2015 07:29 PM
    3 Pages •
    1 2 3
    • Replies: 25
    • Views: 4,911
    TBP
    04-29-2022, 12:09 PM Go to last post

  18. 0em 1300 gasket 2 layers?

    Started by Waveflyer 90, 04-21-2022 05:38 PM
    • Replies: 0
    • Views: 189
    Waveflyer 90
    04-21-2022, 05:38 PM Go to last post

  19. Question engine running good but no move

    Started by elektromouse, 01-07-2022 04:18 PM
    4 Pages •
    1 2 3 ... 4
    • Replies: 33
    • Views: 2,832
    cioccoj
    04-19-2022, 01:39 PM Go to last post

  20. Yamaha GP1200 1999, WTB bottom end

    Started by Race19, 04-15-2022 02:32 AM
    • Replies: 2
    • Views: 176
    Race19
    04-16-2022, 06:45 PM Go to last post
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