Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with her lawn mower, snow blower or other outdoor strength equipment.

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Before act any tiny engine repair or maintenance, be sure to inspect your manual for references on specific parts numbers and safety precautions.

Now the you’ve discovered the part you’d prefer to replace, you have the right to use the chart below to identify the genuine Briggs & Strattonreplacement spark plugand space recommendation.

CAUTION!Be sure to use the appropriate spark plug. Back several various spark plugs might screw right into the engine, making use of the not correct one will result in performance difficulties and feasible internal engine damage.


Also well-known as L-head or side valve engines, these engines are typically used because that walk behind lawn mowers and pressure washers.


*Not because that Quantum engines built before Date password 110701xx or various other L Head engines

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

WARNING: constantly read theengine and also equipment manual(s) before starting, operating, or servicing your engine or equipment to avoid personal injury or property damage. Check out anauthorized dealerif you space unsure of any type of procedure or have additional questions.Find every Engine safety Warnings >





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

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Learn about the latest products, step-by-step indict on how to situate your engine design number and also more.