Have a FS55R that gradually became harder to start. (8 yrs old with light use)
Good compression, Good switch, Fresh Gas…
Clean spark arrestor and Muffler… No Start
New Plug…(Old, NKG BPMR7A) (New, Champion CJ6Y), Both Gap .025…No Start
Didn’t feel it had enough spark so replaced the coil (Stihl...