2 cycle oil has improved much since then. And, it starts each time without issues. I have cut several without any issues. No problems with power, or stalling. I do have a couple suggestions though.
Ryobi 40v 14" Features & Specs
Editor's Impressions Of The Ryobi 40v 14"
Cutting Power
Tool Motor Power
Chain Alignment
Value For Money
Build Quality
Feature Set
Ryobi 40v 14" Final Thoughts
"PERFECT FOR WOOD!"
On the bar to sit the bar and the chain properly. The clutch mechanism makes it incredibly safe. But see above-can't give 10 year review on this. I'm very pleased with what this saw can do. You must use Motor oil, not chain oil.