How to Change the Spark Plug on a Snow Blower

The spark plug on your snow blower should be easy to locate. It's usually right on the top of the unit or under a cover.

A spark plug is connected to the engine by the wire from the ignition system. It's a necessary part to check when servicing your snow blower.

If your engine has trouble starting, it may be caused by a faulty or dirty spark plug.

Changing the Spark Plug

1) Remove the Spark Plug Lead (Wire)

Carefully remove the spark plug lead (wire) from the spark plug.


Removing the Spark Plug Wire

Removing the Spark Plug Wire

2) Remove the Spark Plug

Use a spark plug socket to slowly remove the spark plug.


Remove the Spark Plug

3) Install the New Spark Plug

Install the new spark plug, making sure it is properly seated. Don't over-tighten the spark plug, it may break.


Installing the New Spark Plug

After you've installed the new spark plug and reattached the lead wire, don't forget to test it. Start up your snow blower!

Replacing the spark plug on your snow blower is an inexpensive job. They're cheap and easy to change. If you haven't looked at your spark plugs lately, why not replace them, just to be safe?

Jack's Safety Tips: Before servicing or repairing any power equipment, disconnect the spark plug and battery cables. Remember to wear appropriate safety glasses and gloves to protect against harmful chemicals and debris. View our Disclaimer.

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