i have a yz125 and just recently got bored out 30,000 its been running for 4 days and i have already run through the break in gas and have gone through two tanks of the normal mix. and it just started acting werid. like for some reason it hits the power band rly quick and it dosnt seem to realy want to get me up to speed.can you tell me if you know anything of this like maybe my sprokets might need changing
