Is the VEVOR 58cc chainsaw good for felling trees?

Yes for medium trees up to roughly 20 inches across. The 58cc engine and 20-inch bar can fell and buck most yard and firewood trees. It is not a pro saw for daily logging.

How does it compare with a Stihl MS 250 or Husqvarna 450?

It offers more displacement and a longer bar than either for far less money. The Stihl and Husqvarna are lighter, smoother and backed by dealer service, so they suit frequent users better.

Does it need carburetor adjustment when new?

Often yes. Many owners report the saw runs lean or stalls until the high and low needles are tuned after the first tanks of fuel. Follow the break-in procedure in the manual.

What chain and bar does it use?

It uses a standard 20-inch bar with a 3/8-inch pitch chain, so replacements are widely available. Match the gauge and drive-link count stamped on the bar.

What fuel mix does it take?

Like most two-stroke saws it needs gasoline mixed with two-stroke oil, typically at 50:1. Use fresh fuel and a quality oil to avoid carburetor trouble.

Is it too heavy for occasional yard work?

It is on the heavy side at about 16.4 lb. For light limbing a smaller saw is easier on the arms, but for firewood and storm cleanup the weight is manageable.