Often times the do-it-yourselfer will attempt to repair their lawnmowers on their own. Fortunately, the components behind a mower are not as complex as a car or truck. The way in which any typical lawnmower runs is comprised of three areas. The areas include fuel, combustion and spark.The design of the lawnmower engine was compacted into a very small area making it easy for people to troubleshoot
. any potential problems. Outside of the lawnmower blade, the area that houses the engine is easily accessed and even easier to repair.There are some basics a person should keep in mind when trying to troubleshoot problems with their lawnmower. The basics directly relate to the three areas that power any typical mower. First, most problems are often fuel related. Outside of the device being empty of gasoline, the mower may have a simple fuel-filter plug up. The filter is located underneath the bulb that primes the engine. Check to make sure that the filter is free of any particles that may have caused it to plug. If the problem is not fuel related the problem may lie with the next area, which is combustion. Simply check to see if there are any loose wires and check to make sure the starting mechanism is working properly. Next is to look at the spark side of the equation which relates to the spark plug. More often than not, a lawnmower will not run do to a faulty spark plug. These are the three areas that generally cause a lawnmower to run poorly.The good news is there are many sites on the internet that will give people exact troubleshooting techniques. The charts and step by step instructions are directly related to the exact model of the mower and the manufacturer. This gives a do-it-yourselfer a comprehensive breakdown on what is causing the problem with the mower.More reference links: http://www.repairfaq.org/sam/lmfaq.htm http://www.repairclinic.com