Hey everyone!!!
This is the second time I have ran into the issue of a Stihl trimmer / yard boss / blower / Kombi / pole saw backfiring when trying to start.
It took me a while to diagnose it the first go around, but I knew exactly what to look for when it popped up again!!!
The backfiring is caused by a failed ignition coil.
This video is a step by step how to replace the ignition coil on a Stihl FS / KM / Yard Boss system. It will work to fix the other types of Stihl equipment, but the process for removing the coil will be different for other items.
Once I had it swapped out, it fired up first pull!
Take care out there,
-Dave
Негізгі бет Stihl backfires and won’t start... how to fix!!! (Works for Stihl FS, KM, MM, HT, BR equipment)
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