2003 Yamaha YZ 125 Logo
Posted on Nov 16, 2009
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What is the easiest way to change my shifter shaft on a 1999 yz 125... i put that my bike was a 2003 because they didnt have the option of a 1999...

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  • motox4life Nov 16, 2009

    i have some experience with working on bikes i just wanted to know if you have any tips that i could use for changing the shifter shaft

  • motox4life Nov 16, 2009

    i have some experience with working on bikes i just wanted to know if you have any tips that i could use for changing the shifter shaft

  • Anonymous May 11, 2010

    From personal experience and 20+ years working with bikes, cars, trucks, etc., it really is better to let a professional do this. For someone who is experienced and certified it will pose not much of a problem...for the "shade tree" mechanic, this job can quickly turn into a cascading parts failure problem and result in months with the bike down...my recommendation to let a professional take care of this does not come lightly.

  • Anonymous May 11, 2010

    Take it to a shop and let a professional do it.

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  • Expert 167 Answers
  • Posted on Nov 23, 2009
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Remove gearlever,drain gearbox oil,drain coolant,remove powervalve actuator cover,place small allen key in slot provided & remove bolt on actuator,remove radiator to waterpump hoses,remove clutch cover,slide shaft out from left to right,(If clutch hub is in the way remove clutch assembly),fit new shaft ,reassemble,replace gearbox oil & coolant & bobs ya uncle.

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The link below has exploded views of the bike in segments. Parts are numbered and named on a list below diagram. Might be a slow process to go from one section of the bike to another, but it's all there. Might be an idea to take some pics on your mobile for reference next time.
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http://www.bikebandit.com/houseofmotorcycles/2004-yamaha-motorcycle-xv250s-virago-250/o/m8460
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Jul 09, 2009 • 2003 Yamaha YZ 125
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You need a new shift shaft and probably need a new shift lever due to the bad splines. You can try the JB Weld but I suggest that you go ahead and drill the lever an shaft then put in a cold roll split pin from the hardware store. You have nothing to loose since the shaft and the lever are already toast.

Please rate this solution. Thanks!
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May 01, 2009 • 2003 Yamaha YZ 125
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Its the problem with engine seal get it replaced it will stop leaking...


Good luck..
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