Checking and transforming spark plugs is crucial step in routine small engine maintenance and also when troubleshooting troubles with her lawn mower, snow blower or other outdoor power equipment.

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Before act any tiny engine repair or maintenance, be certain to check your manual for referrals on specific parts numbers and safety precautions.

Now that you’ve uncovered the component you’d like to replace, you deserve to use the chart below to recognize the actual Briggs & Strattonreplacement spark plugand space recommendation.

CAUTION!Be sure to usage the right spark plug. Back several various spark plugs might screw right into the engine, using the not correct one will result in performance problems and possible internal engine damage.


Also known as L-head or next valve engines, this engines are generally used for walk behind lawn mowers and also pressure washers.


*Not for Quantum engines built before Date code 110701xx or other L Head engines

.020”"Surefire" RJ2YXLE in Craftsman Smooth begin (MRS) lawn mower591040.030”

WARNING: always read theengine and also equipment manual(s) before starting, operating, or servicing her engine or equipment to avoid personal injury or residential or commercial property damage. See anauthorized dealerif you space unsure of any type of procedure or have additional questions.Find all Engine security Warnings >





Learn how to properly and also safely use, troubleshoot and also maintain her Briggs & Stratton equipment.

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