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06 rmz450 piston and cylinder problem

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ok so here is my problem. bought a brand new je piston kit for the bike std bore and put it in. the old piston and ring clearance was fine but was rebuilding a bike that had just been purchased and was previously raced. however checking all the clearances the end gap is far to big now, the piston to bore clearance is .230 which it should be no more than .120. when i measure the bore with a digital mic(all i have) i get about 95.8-96 or so and it is 95.5 std and is out of spec at 96.2. i can not figure this out. i checked all markings on je piston and searched and it is all correct parts. am i correct in thinking that the cylinder has been overbored and or is out of spec?

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