well man its not lookin good for ya. To do it all right and make the bike run its best you would need to sleeve them,,,,or just get different cylinders, that is if you get them ported. Now i have 3 sets of cylinders that i have ran with the grooves in them. Around my area we call them wrist pin cylinders! :biggrin: anyways they will still run which you have probably found out but they are not worth paying someone to port them. However they will work fine to keep your bike running while you find another set.