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Everything Dirt Bike
Make / Model Specific
Yamaha
03 YZF 450 Air Flow Through Camshaft Breather Pipe ???
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<blockquote data-quote="SRAD97750" data-source="post: 175430" data-attributes="member: 425"><p>Quite normal. Even if it blows a bit of oil.</p><p>It's a breather hose. The pressures from the piston rising up and down in the engine need to be evacuated or the cases would burst, blowing the gaskets out of the flanges. </p><p>Which happens on my WR in about 2 minutes if the transmission breather hose plugs with sand. The right hand clutch cover gasket blows out.</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></blockquote><p></p>
[QUOTE="SRAD97750, post: 175430, member: 425"] Quite normal. Even if it blows a bit of oil. It's a breather hose. The pressures from the piston rising up and down in the engine need to be evacuated or the cases would burst, blowing the gaskets out of the flanges. Which happens on my WR in about 2 minutes if the transmission breather hose plugs with sand. The right hand clutch cover gasket blows out. -BIG DAN:thumb: [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
03 YZF 450 Air Flow Through Camshaft Breather Pipe ???
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