1980 yamaha yz50 piston question

Joined
Apr 30, 2007
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#1
I have recently aquired a 1980 yz50. It needs a piston and rings. The question i have is, Does anyone know if the older model or any year pw50 piston and rings or other bike would fit in this yz50? I need a .025 over bore piston and rings. I have heard pw50 can but want to get some opinions from some who know what they are talking about. Thanks.
 
Joined
Apr 30, 2007
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#2
I forgot to add. If you know where I can buy an overbore piston and rings for this bike that would be great! I have looked but cant find the piston and rings together. Thanks