Originally Posted by apex
thats gonna be a nice bike! I used that same wiseco in my 250R, you will notice it makes more noise (piston slap) right away but Ive put over 5000 mi on mine since installing it. if the spring in the tensioner is still up to par Id reuse it.
I used a wiseco piston in my XT and it does make some noise when cold but goes away once warmed up. I don't think the XR's only kit comes with a wiseco, though. From their desription it says it will either be a JE Piston or Ross Piston.