I was gave the saw and i took and cleend it up it had dirt and rust all over it look like been sitting four years the gas tank was bone dry iput gas in it it fired right up and then thats when trouble started it will run with the choke wide open for about 5 min and dies choke it it will start agine will not stay running it has never ben took apart any help would gratley be appreciated

Adam, April 2008

might be the spark collapsing under the heat and pressure try cleaning or putting a new spark plug in or checking the magneto and ht lead

andy, April 2008