Originally Posted by John the Chimp
These cylinders are not ball hoaned. There for the cross hatch that you speak of is non existant. But you are correct that the synthitics prohibit proper break in if they are cross hatched.
I was going to cross hatch my new cylinder but decided against it because the chrome coating being so thin.
This man is correct. There is no cross hatching in the Chinese 2 stroke engines. The cylinder is chromed and Opti-2 is not a true synthetic.
I second what Bairdco has said. My best engines were broken in running Opti @ 100:1. I've never had a problem and they run great.