Question about 2003 Yamaha YZ 125
Take your carb apart, clean and rebuild. As mentioned before, make sure there is no dirt or debris stuck in the throttle slide valve, but also check the shape of your needle valve. Replace the needle valve assembly if the tip is scoured or damaged. Lastly, make sure the floats are installed w/ the pins in the right position (towards the bottom of the float chamber on my RM 250). I made this mistake the first time I rebuilt my carb and gas would pour our the overflow as the needle valve never knew when to close.
Posted on Aug 28, 2010
The bowl may need to be cleaned or the jetting adjusted.Thanks you for asking and I hope it helps.Please leave me a 4 thumbs up.
Posted on Jul 20, 2010
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Posted on Jan 02, 2017
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