Hey guys i have been having this re occuring issue with my new saw..first let me say..the oiler is turned up all the way..18" bar and i run 50/50 mix of sava chain and canola oil...it will cut fine fer a while and the chain stops..the nose sproket is jammed up..like its not oiling enough..so i have to take it apart..unbind the sproket..is anyone else having this problem?..and if so is there a cure..it is an issue..if i take it to the dealer they are going to say its fine..thanks guys..