It can be frustrating when your lawn mower or small engine starter won’t engage, but there are solutions you can take to prevent and correct starter problems. This guide should help you find out how to locate and repair common issues with starters, such as:
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The first step in diagnosing problems with lawn mower starter parts is to make sure the engine can rotate properly by disconnecting the spark plugs leads, removing the spark plugs and turning the crankshaft over slowly by hand.
Warning: Unintentional sparking can result in an electric shock or a fire. Disconnect spark plug wire and keep away from the spark plug. Use approved spark checker. Do not check for spark with spark plug removed.
Also, check for dirt or debris in the starter gear shaft and apply some lithium based grease to the shaft.