chainsaw has no spark
Bought a Stihl 270C new two years ago, always ran fine. Last used this spring, worked fine. Tried to use it today, set choke and pulled rope, it spuddered as it should and then wouldn't start. Thought it was just flooded. Took it home and put it on my work bench where I pulled the plug. Found it had no spark. Pulled the magneto and dressed it up with 220 wet/dry paper as well as the 2 magnets on the flywheel. Put it back and still has no spark. How do you know when the magneto is bad? Or am I not doing something right? Read some of the replies in the foram and some of you guys are pretty sharp, hope one of you guys can steer me in the right direction. Thanks.