just picked this up ...any good ?

[86250rrider]

this 85-86 big bore cylinder on e bay. needs to go .040 with a new piston. got it fairly cheap . how does the porting look guys ?im getting it checked out when i get it. pics below

[86250rrider]

pic

[Rich250RRacer]

Looks like a stock sleeve on it's last bore. .040 isn't going to fix that.

[86250rrider]

dude...thats a 72.83 mm hole . its a big bore! it will be 73.00 mm on its new bore.

[C-LEIGH RACING]

Cant tell much about the porting, not close up enough.

Ol 86 cylinders made good drag engines but you pump the compression up & was bad about cracking around the reed chamber area, seen some break clean in half before.
Neil