I just collect them,I'm odd that way --Stihl 084,2 Mac 125's ,1 Mac105 , the Homelite 2100S in the avatar picture .They'd most likely start up .If not it's just a carb refresh,no big deal .In addition to the Husqvarna 2100 I have two other 100 CC saws, Partner P100/McCulloch SP 1000 which are...