Power Washers Changing the Spark Plug on Generac Pressure Washer

Published on March 18th, 2015 | by Turner Anderson

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Changing the Spark Plug on a Generac Pressure Washer

Watch our video on how to replace the spark plug on a Generac Pressure Washer.

Changing your spark plug will increase the efficiency and extend the life of your engine. This video shows you how to easily replace your dirty spark plug with a new one.

Step 1:

Remove the spark plug boot

Step 2:

Use the spark plug wrench to remove the spark plug

Step 3:

Check the owner’s manual for the recommended gap gauge for the new plug

Step 4:

Thread the spark plug by hand and tighten it with a wrench

Step 5:

Reconnect the spark plug boot

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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is the Internet Marketing Manager at Jack's and the editor of Jack's DIY Center. You'll also find him creating How-To articles, videos, newsletters, and much more.





One Response to Changing the Spark Plug on a Generac Pressure Washer

  1. Felix says:

    I have a Generac 3100 Power Washer. After aprox. 30 hours of use, it refuses to start. I changed the air filter, the spark plug, dumped the old fuel, and filled up with clean fuel. Still, no start, although it makes an attempt. I tried moving the choke, and every trick I read about. Still, won’t crank. I tried so many times, that I broke the pulling rope. I disassembled the cranking mechanism and now don’t know how to put it back so it recoils. I also need a new rope. I read about gum in the carburetor and that’s possible because I have not use it for at least a year. Please help me troubleshoot these issues. Thanks!

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