3 Reasons a Chainsaw Won’t Start After Sitting

Stale gas is the most common cause After a year, even stabilized gas can turn to varnish and clog the carburetor jets. Drain the old gas, put in fresh mix, and try again.

A bad spark plug is the second most likely issue If fresh gas doesn’t fix it, pull the plug and check for spark. No spark means a bad plug.

If you have spark, the carburetor needs cleaning or replacement Those small diaphragm carbs gum up fast. Don’t bother with the chain brake or recoil starter yet—nine out of ten times, it’s fuel or fire.