Altissimus
TreeHouser
Do you manipulate these ... Sometimes , Always , Never ......
I stay at a constant elevation, and I've always felt they only need adjustment when they start to get old. Like when they need adjustment, it's the beginning of the end.
Somebody on the forum once posted how to tell if the low speed jet was too rich, and it has helped me a lot. Warm up the saw and then set it on the bench and let it idle for a full minute. Then quickly pick it up and flip it upside down without touching the throttle. If it stalls then the low speed jet is too rich, fuel is puddling in the bottom of the crankcase.