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Aftermarket YZ exhaust fitment issue on WR

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Hey, I've got a 2007 WR250F and just picked up a used DR. D Aluminum/stainless slip on exhaust that came off of a YZ250F. The exhaust seems to bolt up fine but my header tube is 1/8" smaller than the mid-pipe going to the exhaust can.  Any ideas on what I can do to make it fit? I don't want to have to by a new header.

 

thanks

 

Andy

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Two solutions, a YZ header or get a aluminum spacer sleeve made.  aluminum conduit may be close.

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my '06 wr I put an '04 yz pipe on it

 to make it fit I bought the yz gasket

changed the jetting again, now running 145 main jet I am considering going to a 148 ('06yz stock size)

I have never had a bike so responsive, now my riding ability has to improve

the gasket was about $40 I got the pipe for $45

best mod the I have one to the bike

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