Power Washers How to Service the Spark Plugs on a Briggs and Stratton Power Flow Pressure Washer

Published on May 27th, 2015 | by Kimberly Myers

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How to Service the Spark Plugs on a Briggs and Stratton Power Flow Pressure Washer

Checking and maintaining the spark plugs on your pressure washer is easy!

Here is how!

Step 1:

Clean the area around the spark plug

Step 2:

Disconnect the spark plug wire

Briggs-Disconnece-SP-Wire

Step 3:

Remove the spark plug and inspect if for damage

Step 4:

If the electrodes are pitted or burned or if the porcelain is cracked, replace the spark plug See your owner’s manual for recommended plug

Step 5:

If you are putting a new plug in, check the gap of the spark plug with a feeler gauge, check your owner’s manual for the proper gauge

Step 6:

Install the spark plug and tighten it firmly

Briggs-Spark-Plug

Step 7:

Replace Spark Plug Wire

Briggs-Reconnect-SP-Wire

Be sure to check your owner’s manual for specific information about the spark plugs in your machine!!

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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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3 Responses to How to Service the Spark Plugs on a Briggs and Stratton Power Flow Pressure Washer

  1. Danny says:

    Hi, last year i bought a briggs and stratton pressure washer only used it once and then store it in my house for the winter. Today i used it for the first time it started great did my patio and then turn it off for a break and then when i went to started i’ve press the pump bouton a couple of time and now it does not want to start. ??? What should i do ??

    • Hi Danny,

      If your pressure washer is a gas powered pressure washer it could be because you stored it with gas in the engine. If an engine is stored with ethanol gas it can pit and corrode the carburetors and get a build up of gunk in it which will prevent it from running properly.

      If this is not the case you can consider looking in your owners manual for a manual start procedure.

      You can also check out this link Troubleshooting Your Pressure Washer

      I hope that this information helps you, if not, or if you have another question, let me know!

  2. Don Seferovich says:

    Question: we have a 19.5hp Briggs Opposed twin with flat heads (not DOHC) in a Craftsman Ride-on mower. The engine starts well and seems to run well with the following exceptions: 1. Always requires choke to start (hot or cold start). 2. Starts well but falters a bit before coming up to throttle setting.
    3. Initial run includes dark smoke, a short puff of blue smoke, and lots of rich burning fuel fumes (very rich). 4. At RPM under a load the engine looses a small amount of power while driving, resulting in small surges of power (dwell of surges about every 10-15 seconds or so, could be less.

    Other than the above all is well. Once the engine is warm I see only a little dark smoke and no blue smoke really but “very rich fumes always”. Surly it is running way rich!

    I am thinking carb rebuild time, possibly a new ignition (mag) coil and spark plug wires, new spark plugs, new fuel filter.

    Your help and analysis is appreciated. Don

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