How to Replace the Spark Plug in a Honda Trimmer
Did you know that Honda recommends that you check the spark plug every year or 100 hours of use, and change it every 2 years or after 300 hours of use?
Changing the spark plug can solve a multitude of engine problems and is a very important type of routine maintenance!
To keep your trimmer running properly, be sure to keep up with the spark plug!
Step 1:
Using a 4mm Allen wrench, loosen the hex bolt on the ran cover and remove the fan cover
Step 2:
Disconnect the spark plug wire and remove any dirt that may be around the spark plug area
Step 3:
Remove the spark plug with a 5/8 inch spark plug wrench
Step 4:
Check the spark plug for worn electrodes or cracked/chipped insulator
Step 5:
Check the gap of the spark plug to be sure it is correct (see owner’s manual for gap settings)
Step 6:
If the gap is not correct, carefully bend the side electrode until it is correct
Step 7:
Install the spark plug carefully by hand until it is seated
Step 8:
After the spark plug seats, tighten it with a spark plug wrench, if re-installing a used spark plug, tighten it 1/8 to ¼ of a turn after the spark plug seats, if it is a new spark plug, tighten it ½ of a turn after the spark plug seats
Step 9:
Replace the spark plug wire
Step 10:
Re-install the fan cover
Be sure to check your owner’s manual for suggested spark plug maintenance information!
Featured Parts:
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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