I Tested the Stihl MS290 Spark Plug: My Best Tips for Better Starts and Performance
When I think about keeping a chainsaw running smoothly, the small parts often matter just as much as the big ones—and the Stihl MS290 spark plug is a perfect example. It may not be the most noticeable component, but it plays a crucial role in how reliably the saw starts, idles, and performs when I…
