Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with your lawn mower, snow blower or other outdoor power equipment. Follow this 3-step guide for resources to walk you through the process or jump to the section.
Finding the Spark Plug on Your Engine
Use the Spark Plug Gap Chart to Find the Right Replacement & Setting
How To Gap Spark Plugs
Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions.