What Causes A Lawn Mower Not To Start. DIY Has Never Been Easier. A spark plug that is damaged worn or has an improperly set gap between its electrodes creates a weak spark.
The most common symptoms of a clogged fuel filter can be sputtering of the engine when starting hard starting constant idling of the engine lack of acceleration or the lawn mower does not start even with strong and repeated pulling. Whether youve got a Toro lawn mower a Briggs and Stratton lawn mower or one of the other popular brands the last thing you want once winter finally lifts and spring has sprung is a lawn mower that wont start. Metallic and papernylon filters.
If you arent getting a spark at the plug or fuel isnt getting through to the engine known as fuel starvation the machine will never startup.
If the engine isnt getting a spark at the plug or fuel isnt reaching the engine your lawn mower is never going to start. Now let us check the second reason. What would cause a lawn mower to backfire. Tap the side of the carburetor to help the flow of gas.
