Mine last FO-EVAH...pretty much.
I don't have the hrs on mine that you lot do though.
Even the 020t I found in de bushes 20 yrs ago is still working (new carb, new chainbrake)
Across the range of my saws 021, 150, 020, 200, 260, 361, 462 I have:
One carb
3 tank breathers
Two shut off wires
Two...