DescriptionThis video provides step-by-step repair instructions for replacing the spark plug on a Briggs and Stratton small engine (which is commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators). The most common reasons for replacing the spark plug are when the engine on your lawn mower won’t start, is hard to start, stops after a few seconds, or runs poorly.
All of the information for this spark plug replacement video is applicable to the following brands:
Briggs & Stratton, Kohler, John Deere, Exmark, Toro, MTD, Yard Machines, Craftsman, Yard-Man, Huskee
Tools needed: socket/spark plug wrench
Step-By-Step Instructions1
Before you begin the replacement, make sure the engine has cooled.
2
Now remove the wire and boot from the spark plug.
3
Use a socket or a spark plug wrench to loosen and remove the old spark plug.
4
Install the new spark plug by threading it into the cylinder head and secure with the socket or wrench.
5
Be careful not to over-tighten or damage the plug itself.
6
Once secured, attach the spark plug wire and boot.