At the end of last season I ran it dry and stored it for the winter.
Last weekend I changed the oil and filled it with fresh gas. After a few starts and stalls, it eventually stayed running. It ran fine for several minutes and then dropped to about half speed, RPM speaking.
Now it starts on a couple of pulls just like it did all last year, but it runs really, really slow. It doesn't seem like it wants to stall, it's just running at a very slow speed and obviously not cutting as well.
Where should I start looking for problems?