Question about 2006 Yamaha Ybr 125

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Valve clearances Trying to find valve clearances for YBR 125cc Yamaha.2006

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  • anne_handley Nov 13, 2008

    Thank you for the quick reply.

    Just got to do it now.Do I need a tappett adjusting tool or will feeler gauge do?Also do I need a lock nut tool?


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Hi Anne

The cold valve lash for your bike are intake 0.08-0.12mm and exhaust 0.10-0.14mm. You can get this and more specifications for your machine for free here.


Posted on Nov 13, 2008

  • Graeme Ross
    Graeme Ross Nov 14, 2008

    Having the right tools for the job does make it a lot easier, but a standard feeler gauge, with whatever small spanners, socket, and allen key will do it. They are wide tolerances, check them before you adjust. Just a little harder to get is right first go. I have read that a noisy injector can also sound like a tappet Good luck.




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