homepostsWhat kind of spark plug does a Briggs & Stratton lawn mower take?

What kind of spark plug does a Briggs & Stratton lawn mower take?

Dennis WaldenSep 13, 2021

Flathead Engine Spark Plugs & Gaps

Replacement Part TypeBriggs & Stratton Spark Plug Part NumberSpark Plug Gap
Electromagnetic Suppression (EMS) (Replaces Champion QC12YC)691043 792015.030”
Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)696202 5066 (5066D, 5066H).030”

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Beside above, what size spark plug does a Briggs and Stratton?

NGK Spark Plugs for Briggs & Stratton Engines

Gap0.028" (0.7mm)
TerminalRemovable Nut
Thread Size14mm
TypeNon-Resistor, Standard
FitsBRIGGS & STRATTON GAS ENGINES -- All models except twin cylinder, Vanguard Intek, 19A400-19G400 series
Thereof, what spark plug does a 6.75 Briggs and Stratton take? This Briggs & Stratton spark plug is good for 625e, 675ex, 725ex series, 625-675 series and Quantum 3.5-6.75 gross HP engines.
BrandBriggs & Stratton
Model799876
Assembled Product Dimensions (L x W x H)5.68 x 2.50 x 0.87 Inches

Also question is, how do I know which spark plug for my lawn mower?

Spark plugs are typically located on the back or side of a lawn mower engine. Look for a short wire that's about 1/4-in. -thick leading to the top of a short, cylindrical protrusion from the engine. If you're not sure where the spark plug is, consult your owner's manual.

How do I know if my lawn mower spark plug is bad?

Here's How to Know if a Lawn Mower Spark Plug is Bad

  1. You can't get the engine to fire up at all.
  2. You have to tug extra hard for longer than usual on the rewind.
  3. Your lawn mower loses power while moving.
  4. The gas runs out quicker than it used to.

6 Related Question Answers Found

Are lawn mower spark plugs universal?

Spark plugs aren't universal; you have to make sure that you buy one that fits your mower. ... If you no longer have the manual or the number has rubbed off, you can always remove the plug first and take it to AutoZone with you.

Is spark plug RC12YX the same as RC12YC?

We can find no cross reference for RC12YX to any NGK number, but RC12YC does cross to NGK BCPR5ES .

What is the difference between RC12YC and RC14YC spark plug?

What is the difference between rc12yc and rc14yc spark plug? The higher number is a slightly hotter spark type plug. The RC14YC4 is now the standard plug for the 990/992 Generac engines. The 999 in the new 16-22kW Evolution (7000 series) units and older 20kW units are still using the cooler RC12YC4 plugs.

What is the recommended spark plug gap?

For most racing applications, you usually want the plug gap to be between 0.020 and 0.040 of an inch. Most engine builders seem to settle around 0.035 of an inch. Factors such as the type of ignition you run, cylinder heads, fuel and even timing can affect how much gap will work best for you.

Are all lawn mower spark plugs the same?

Yes there are different plugs for different engines. Usually you need the engine model on your mower, and take in the old spark plug to the hardware store. Ask for someone to help you find the right spark plug and tell them your engine model and mower model.

What can I use to clean my spark plugs?

To safely clean a spark plug, you should use a wire brush or spray-on plug cleaner specifically designed for this ignition part. You can also use a sturdy knife to scrape off tough deposits. Note: NEVER clean a spark plug with a shot blaster or abrasives.
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About The Author

Dennis Walden

Dennis owns a small farm and loves to grill since his early childhood. He’s a professional cook, but hiking and enjoying the great outdoors is his no less favorite part of life.