Been used hard and put up wet since day one, which was 1985. Has lasted through 2 teenage sons I used to make use it, so you know when a teenager is made to do something they do not want to do, odds are they will abuse what is in use to do the job with, hopeing it will break so they can go back to doing nothing......All it has ever cost me is a new fuel line........it cranks with two or 3 pulls, no matter how long it sets......I have two of them a 40cc and a 60 cc model. I have used 12" blades as well as a 14 inch blade. I have worn out many string heads on the 40cc one, as its the lightest to use for general string trimming. But I would like to have a light weight Stihl string trimmer, that is a bit more manuverable and lighter to carry.........Both JOnsereds are 2 cycle engines, and have had nothing but Optimal 2 cycle oils used in them since they were bought.