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YFZ450 Quad dies out unless running on reserve. Help!!

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Postby purehobby » Mon Sep 21, 2009 8:39 am

I went out riding yesterday and quad ran for a few minutes then dyed out and wont start back up for about 10-20 minutes. But if i put it on reserve it will run fine until reserve is empty. Anyone know what that would be? I thought maybe something clogging it but dont the reserve and the on both come from same spot?
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Postby partybarge_pilot » Mon Sep 21, 2009 9:02 am

Drain the tank and pull the petcock. It has crap in it. They both draw from the same area but from different tubes.

Also, sometimes the internal rubber gasket in the petcock can get screwed up. If this is the case, get a new petcock.
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Postby purehobby » Mon Sep 21, 2009 9:22 am

gotcha thanks that makes sense I didnt look under there but assumed they both went thru same tube. So I was confused on how reserve would work and not when just on.
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Postby purehobby » Fri Oct 02, 2009 8:46 am

That was it petcock filter was shot. running nice now. thanks again
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