ms400cm

Has anyone heard anything negative about the 400c? Someone on a fb chainsaw repair page was claiming that he knows of several 400c’s with pistons melted down on fairly new machines. Not sure if this guy is just a hater or is there some truth to these claims?

Hello, everyone. I Just did something very stupid. I let a new worker use my stihl 400 in the wood lot. He left it in the weeds beside the woodpile. I went to hook up the chipper that evening after dark, and slowly drove over the bar. Something didn't feel right, so I backed up, turning. The...

** LISTEN TO ATTACHED VIDEO** I just installed a West coast Saw Bark box on my Stihl MS 400 m tronic and I am having doubts on if it is harming the saw or not. I followed the proper carb reset on the manufactures website after install and I use Stihl Moto mix. It cracks and pops a lot. Is this...