This video from Sears PartsDirect shows how to troubleshoot when your walk-behind lawn mower won’t start due to spark plug and ignition problems. If your mower isn’t starting, there are a few things you’ll want to check. You can use a spark plug tester to make sure your spark plug isn’t worn out. See how to use a multimeter to see if the stop wire is shorting to the engine. Then, you’ll want to check the air gap between the ignition coil and the flywheel. Lastly, you’ll want to check your flywhe

This video from Sears PartsDirect shows how to replace a drive belt on a lawn mower. The drive belt connects the crankshaft pulley to the transmission pulley. The transmission rotates the wheels to propel the mower. The mower won't move with a broken or worn drive belt. You can replace the drive belt using the steps in this video. Visit us at: http://www.searspartsdirect.com/?sid=soc:fb:replacing-the-drive-belt-on-a-lawn-mower Or call 1-800-660-7877 to speak with a parts specialist. Parts featur

This video from Sears PartsDirect shows what to do if your walk behind lawn mower won’t start. There are a number of issues that could be causing the problem. A clogged air filter can keep air from getting to the carburetor and mixing with the gas. You could have a bad spark plug, or you could have an issue with old or contaminated fuel. We’ll show you how to check engine compression, check your fuel tank, clean your fuel line and how to access and examine your choke linkage, return spring and c