WHAT SIZE BORE DO I HAVE

[gsustaitav19822]

si i take out mi cylinder cuz i got a blown gasket yes some one but the cheap green one in there before me ok so i take it out and get the digital caliper and it mesures 66.20 should i have it bore or can run with it like that one i get it back together.
what bore size do i got now???? .

 

[tbrooks]

The main thing is firstly how the bore looks. If its nice and clean with the honing still visible then run it. If it has vertical scratches or the piston seems loose in the bore then get it bored
http://www.blasterforum.com/threads/how-to-measure-your-cylinder-diy.25767/