81 cb650 Jun 16, 2011 22:08:08 GMT -4 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by leadkrm on Jun 16, 2011 22:08:08 GMT -4 I'm wonderin what the largest tire size I can have on a stock 81 cb650 without switching out a new swing arm. Is this something the tire shop can tell me?