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Everything Dirt Bike
Make / Model Specific
Yamaha
2006 YZ125 Exhaust coming out of power valve breather
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<blockquote data-quote="SRAD97750" data-source="post: 217365" data-attributes="member: 425"><p>I suppose some seal in the PV assembly has gone, allowing exhaust to escape into the forward housing of the cylinder.</p><p>I doubt it has a negative effect, but I would be looking to fix the seal before it gets any worse. Someone with more experience will chime in.</p><p>-BIG DAN <img src="https://www.dirtbikeaddicts.com/static/images/smilies/thumb.gif" class="smilie" loading="lazy" alt=":thumb:" title="Thumb :thumb:" data-shortname=":thumb:" /></p><p></p><p>From a quick diagram search I discovered I have no experience with this style PV.</p></blockquote><p></p>
[QUOTE="SRAD97750, post: 217365, member: 425"] I suppose some seal in the PV assembly has gone, allowing exhaust to escape into the forward housing of the cylinder. I doubt it has a negative effect, but I would be looking to fix the seal before it gets any worse. Someone with more experience will chime in. -BIG DAN :thumb: From a quick diagram search I discovered I have no experience with this style PV. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
2006 YZ125 Exhaust coming out of power valve breather
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