I'm in a full on battle with my Stihl FS90R. It's running poorly so I decided to dig in and rebuild the carb, then I replaced the carb, did the plug and adjusted the valves. No carbon issues in the muffler.
So, while it was idling on the bench, I took some carv cleaner and sprayed around the carb mounting surface and it immediately stalled. I have pulled the carb and changed gaskets, changed carbs, no luck. Same issue. I also pulled the intake off and cleaned everything up. The gasket...
Stihl FS90R vacuum leak
So, while it was idling on the bench, I took some carv cleaner and sprayed around the carb mounting surface and it immediately stalled. I have pulled the carb and changed gaskets, changed carbs, no luck. Same issue. I also pulled the intake off and cleaned everything up. The gasket...
Stihl FS90R vacuum leak