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Honda Small Engine Spark Plug Replacement #7131

This video provides step-by-step repair instructions for replacing the spark plug on a Honda 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 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:
Honda, Toro, Lawn Boy, MTD, Ariens, Cub Cadet, Kawasaki

Tools needed: socketspark plug wrench
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Ignition Coil and Spark Plug Testing:

How your small engine works:

For additional repair advice and help finding your model number visit the repair help section of our website: Small Engine repair help