How often should a lawn mower spark plug be changed?
Correspondingly, how do you check a spark plug on a lawn mower?
Thereof, how many years should a lawn mower last?
How long does a spark plug last?
Luckily, spark plugs don't wear out very quickly. You can typically get 80,000 miles on them before they need replacing. But if you notice any of these symptoms, it's time to get your spark plugs checked out with an engine tune-up.Test the spark plug ignition by disconnecting the spark plug wire from the spark plug. Hold the end of the spark plug wire close to a metal surface. If the spark plug is good, you will see a spark or you'll hear a crackling noise. This means that voltage is getting through the wire to the spark plug.For standard lawn mower and small engine maintenance, you should check and/or replace spark plugs: Annually and in accordance with the Operator's Manual. If your lawn mower or outdoor power equipment won't start.