If your Toro lawn mower won’t start, a damaged spark plug may be the problem. If your spark plug is bogged down by debris, or worn out, it won’t generate the spark needed to start your mower’s engine. A bad spark plug can also reduce the performance and fuel economy of your mower. To keep your Toro lawn mower running efficiently, check your spark plugs for wear and tear regularly and change them when necessary.
Before performing any maintenance on your Toro lawn mower, refer to your owner’s manual for maintenance instructions and safety information. Maintenance instructions vary by model, so depending on your lawn mower model our instructions may vary slightly.
To begin, disconnect the spark plug wire and clean the area around the spark plug, removing any dirt or debris. Remove the old spark plug using a socket wrench or spark plug wrench.
Check the gap on your new spark plug. Use a specialized gap tool or a set of feeler gauges to adjust the gap between the electrodes to the appropriate distance. Refer to your owner’s manual for appropriate gap.
Screw the new spark plug in by hand. If you use a ratchet, you run the risk of cross threading, which will cause the need for replacement of the entire head of the engine.
Once the new spark plug is finger tight, use a wrench to tighten the plug as specified in your owner’s manual. Do not overtighten because you can cause damage to your engine.
Reconnect the spark plug ignition wire and you’re done.
Your Toro lawn mower requires regular maintenance from oil changes to fresh spark plugs. Spark plugs corrode over time so make sure you stay on top of maintenance to keep your mower working properly.
Use our illustrated parts diagrams to locate any replacement parts you may need for maintenance on your Toro lawn mower.
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Why Weingartz?
Weingartz, family owned and operated, began in 1945 as a farm supply store for local Michigan families. In the 1970s, we began to focus exclusively on outdoor power equipment. Over time, we morphed into the “power equipment superstore” that now defines all of our locations. The staff and experts at Weingartz work diligently to provide the best service possible and give honest and helpful advice to each and every customer.
Weingartz also sells parts for all outdoor power equipment at https://weingartz.com/parts-lookup.
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Cedar Springs, MI 49319
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