Checking and changing spark plugs is an important step in routine small engine maintenance and when troubleshooting difficulties with your lawn mower, snow blower or various other outdoor strength equipment.

You are watching: Difference between champion rc12yc and champion rc14yc

Before act any small engine repair or maintenance, be sure to inspect your hands-on for referrals on details parts numbers and safety precautions.

Now the you’ve uncovered the part you’d like to replace, you can use the chart below to identify the actual Briggs & Strattonreplacement spark plugand space recommendation.

CAUTION!Be certain to use the best spark plug. Although several different spark plugs might screw into the engine, using the not correct one will an outcome in performance problems and possible internal engine damage.


Also recognized as L-head or side valve engines, this engines are typically used for walk behind lawn mowers and pressure washers.


*Not because that Quantum engines built before Date code 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) prior to starting, operating, or servicing her engine or tools to avoid an individual injury or home damage. Watch anauthorized dealerif you room unsure of any type of procedure or have extr questions.Find every Engine security Warnings >





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

See more: Does Overweight Tickets Go On Csa Dac, What Is Csa For Truck Drivers

View How-To Articles >

Learn about the latest products, step-by-step instructions on exactly how to locate your engine version number and also more.