How often should a lawn mower spark plug be changed?
every 25 hours
In this regard, how do you check a spark plug on a lawn mower?
Similarly, how do I know if my lawn mower spark plug is bad? The most common problem associated with a bad spark plug in a lawnmower is that the mower is more difficult than normal to start. A push mower may take several more pulls on the starter rope before its engine starts, and a lawn tractor fails to start with the turn of its key.
Simply so, how many years should a lawn mower last?
around 10 years
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.