Chainsaw Repair

just so I know your rules , what are they  and what cc per class, what fuel? so I know what to bring , the 0-65 cc class sure can open up a can of worms as then you got 365's, 6400's and saws like that , does any one check to see if they are running the proper jug on these saws , In my small mind just keep it at 60cc and let the 361 big bores run any ways cause the big bore does not make any more power than what can come from the OEM stuff , just saying  thats all