Ordered wrong top end rebuild kit twice now

Joined
May 30, 2009
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#1
We were gifted an old yz80 that needed lots of work.

We thought it was a 2001 but the piston was too small. A little looking with the vin told us that it was a 99. We ordered that piston and it was also smaller than what we had.

How do we source the correct size?

I see D0014 stamped on the top of the piston
047 on the inside


On the outside of the head is stamped
Y-2
4ES10
82cm3

Thanks
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