Technical Discussions

topics related to technical stuff, engines, parts, electrical, modifications, etc..

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  1. vixy
    Sticky

    Download Yamaha YZF R125 Service / Repair Manual

    vixy, Mar 24, 2011 ... 2
    Replies:
    28
    Views:
    46,760
    Spinky1992
    Sep 4, 2016
  2. vixy
    Sticky

    Download Yamaha Wr125R Wr125X Service / Repair Manual

    vixy, Mar 24, 2011 ... 2
    Replies:
    31
    Views:
    54,891
    Kolai
    Apr 12, 2016
  3. diasilman
    Sticky

    YZF R125 Sprocket Gearing Table Ratio

    diasilman, Sep 26, 2009 ... 2 3
    Replies:
    51
    Views:
    18,423
    Deke74
    Jul 13, 2014
  4. weedave

    Valve Adjustment

    weedave, Mar 11, 2013
    Replies:
    12
    Views:
    4,800
    Maurice
    Oct 6, 2018
  5. Philip yates

    Piston Rings And Timing

    Philip yates, Sep 8, 2018
    Replies:
    0
    Views:
    39
    Philip yates
    Sep 8, 2018
  6. Craig telford

    Need Help Please

    Craig telford, Nov 6, 2017
    Replies:
    1
    Views:
    164
    RPS
    Nov 18, 2017
  7. dave hedgehog

    Can Anyone Identify This Sound Please?

    dave hedgehog, Nov 1, 2017
    Replies:
    0
    Views:
    148
    dave hedgehog
    Nov 1, 2017
  8. Oskar Hetak

    Weird Sound From Front Suspension.

    Oskar Hetak, Sep 13, 2017
    Replies:
    0
    Views:
    254
    Oskar Hetak
    Sep 13, 2017
  9. yeabny

    Colour Codes For This?

    yeabny, Sep 9, 2017
    Replies:
    0
    Views:
    183
    yeabny
    Sep 9, 2017
  10. Lee henderson

    Wr Big Bore Kit For 2015 Model

    Lee henderson, Aug 11, 2017
    Replies:
    1
    Views:
    308
    RPS
    Aug 15, 2017
  11. martysport

    Bike Hard To Start

    martysport, Aug 2, 2017
    Replies:
    1
    Views:
    278
    Blazer
    Aug 12, 2017
  12. Oskar Hetak

    Yzf R125. Cold Engine Problem

    Oskar Hetak, Jul 12, 2017
    Replies:
    7
    Views:
    314
    Blazer
    Jul 17, 2017
  13. Reece Clayton

    Yamaha Wr125 Ignition Problem!!!

    Reece Clayton, Jul 11, 2017
    Replies:
    2
    Views:
    329
    Reece Clayton
    Jul 12, 2017
  14. Midlifecrisis125

    2015 Yzf R125 Fork Oil Amount?

    Midlifecrisis125, Jul 10, 2017
    Replies:
    0
    Views:
    416
    Midlifecrisis125
    Jul 10, 2017
  15. Tommy020

    Oil Filter Cap Threaded

    Tommy020, Jul 5, 2017
    Replies:
    6
    Views:
    388
    Tommy020
    Jul 9, 2017
  16. Darkangel2297

    Exhausts!!

    Darkangel2297, Jul 3, 2017
    Replies:
    0
    Views:
    256
    Darkangel2297
    Jul 3, 2017
  17. markpmsell121

    Yzf R125 Loses Power

    markpmsell121, Sep 13, 2016
    Replies:
    4
    Views:
    501
    Liam1999
    Jun 28, 2017
  18. Pea M

    Stripped Thread!!!

    Pea M, Jun 23, 2017
    Replies:
    3
    Views:
    310
    Blazer
    Jun 24, 2017
  19. timtom

    Engine Fault Code 46 (possible Alternator Problem?)

    timtom, Jan 14, 2015
    Replies:
    5
    Views:
    1,375
    Blazer
    Jun 12, 2017
  20. polarbird2

    Oil Filler Cap Fell Out...

    polarbird2, Jun 2, 2017
    Replies:
    2
    Views:
    239
    polarbird2
    Jun 3, 2017
  21. Angus

    R125 Rectifier

    Angus, May 31, 2017
    Replies:
    1
    Views:
    271
    RPS
    Jun 3, 2017
  22. radulepy

    Yamaha Yzf R125 Tachometer Going Sometimes Crazy

    radulepy, May 28, 2017
    Replies:
    3
    Views:
    326
    radulepy
    May 30, 2017
  23. Mateusz2000

    R125 It Goes Out And Does Not Start

    Mateusz2000, May 30, 2017
    Replies:
    0
    Views:
    232
    Mateusz2000
    May 30, 2017
  24. TwoWheeledTommy

    Will 2016 Engine Fit 2008 R125?

    TwoWheeledTommy, May 28, 2017
    Replies:
    1
    Views:
    254
    Luke Saunders
    May 30, 2017
  25. Midlifecrisis125

    Yzf R125 Cush Drive

    Midlifecrisis125, May 23, 2017
    Replies:
    1
    Views:
    303
    Midlifecrisis125
    May 26, 2017
  26. GSX1400Dave

    The Yamaha Yzf R125 Etc Engine Self Destruct Top End

    GSX1400Dave, Nov 24, 2016
    Replies:
    1
    Views:
    695
    james ally
    May 26, 2017
  27. mumbl3s

    Solution To The Expensive Power Commander

    mumbl3s, Aug 26, 2014 ... 2
    Replies:
    33
    Views:
    4,211
    DMB R125
    May 20, 2017
  28. Stanerzz

    Yzf R125 Speedo

    Stanerzz, Jun 9, 2015
    Replies:
    4
    Views:
    1,034
    dave windsor
    May 1, 2017
  29. Tyler Witt

    Valve Clearnces, Rotor Allignment

    Tyler Witt, Mar 26, 2017
    Replies:
    1
    Views:
    310
    Blazer
    Apr 17, 2017
  30. Midlifecrisis125

    Yamaha R125 Abs Conversion

    Midlifecrisis125, Apr 9, 2017
    Replies:
    0
    Views:
    272
    Midlifecrisis125
    Apr 9, 2017
  31. mark yzf r125

    Fitting A New Engine

    mark yzf r125, Mar 29, 2017
    Replies:
    1
    Views:
    362
    Blazer
    Mar 30, 2017
  32. Allan hales

    Over Revving When Start

    Allan hales, Mar 25, 2017
    Replies:
    0
    Views:
    231
    Allan hales
    Mar 25, 2017
  33. gareth hughes

    Performance / Racing Camshaft Question.

    gareth hughes, Mar 8, 2017
    Replies:
    0
    Views:
    305
    gareth hughes
    Mar 8, 2017
  34. andrew jones

    Hard Starting

    andrew jones, Mar 1, 2017
    Replies:
    1
    Views:
    384
    gareth hughes
    Mar 8, 2017
  35. Sebekwwl

    Yamaha Yzfr125 Did Not Work

    Sebekwwl, Feb 28, 2017
    Replies:
    0
    Views:
    315
    Sebekwwl
    Feb 28, 2017
  36. james ally

    Carnt Find Neautral

    james ally, Jan 18, 2017
    Replies:
    3
    Views:
    365
    Blazer
    Jan 26, 2017
  37. Deanwoody89

    2008 R125 Cutting Out

    Deanwoody89, Jan 23, 2017
    Replies:
    0
    Views:
    366
    Deanwoody89
    Jan 23, 2017
  38. JayGriffR125

    2009 Yzf R125 Cut Out And Won't Start Again

    JayGriffR125, Nov 20, 2016
    Replies:
    2
    Views:
    394
    Sacko-r125
    Nov 22, 2016
  39. Förgasarin

    Rieju Marathon 125 Pro Sm Problem

    Förgasarin, Apr 24, 2012
    Replies:
    8
    Views:
    2,021
    Marcel 125 pro
    Nov 18, 2016
  40. Wizard

    Engine Stalls At Low Revs

    Wizard, Oct 21, 2016
    Replies:
    7
    Views:
    653
    Wizard
    Nov 16, 2016
  41. Praveen

    R125 2012 - Battery Dead & Bike Not Starting After Jumpstarting

    Praveen, Nov 2, 2016
    Replies:
    1
    Views:
    395
    Blazer
    Nov 3, 2016
  42. Anz

    Stator Coil

    Anz, Oct 14, 2016
    Replies:
    0
    Views:
    337
    Anz
    Oct 14, 2016
  43. Evolutionsic

    Yamaha Yzf R125 Ignition Switch

    Evolutionsic, Jun 18, 2012
    Replies:
    3
    Views:
    1,329
    olliemiller
    Oct 5, 2016
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