For consistent, simple starting, we recommend transforming spark plugs every 100 hrs or every season on every one of your outdoor power devices engines. Replacing your spark plug:

Ensures regular sparkMore trustworthy startingImproves fuel economy

1. Disconnect the spark plug lead. Then, clean the area about the spark plug to avoid acquiring debris in the burning chamber as soon as you eliminate the plug.

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2. Remove the spark plug utilizing a spark plug socket.

3. Clean irradiate deposits indigenous the plug with a cable brush and also spray-on plug cleaner. Then, use a sturdy knife if necessary to scrape off tough deposits. NOTE: never ever clean a spark plug v a shot blaster or abrasives.

4. Inspect the spark plug for really stubborn deposits, or for cracked porcelain or electrodes that have been burned away. If any of these problems exists, replace the spark plug.


1. Use a spark plug gauge to measure the gap between the two electrodes (one straight, one curved) at the reminder of her spark plug Many small engines require a .030" gap. Check for the specifications for your model.

2. If necessary, use a spark plug gauge to readjust the void by gently bending the bent electrode. Once the void is correct, the gauge will drag slightly as you pull it with the gap.  3. Reinstall the plug, taking treatment not to over-tighten (15 ft. Lbs. Maximum). Then, connect the spark plug lead.

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