homepostsWhat spark plug do I need for my Briggs and Stratton?

What spark plug do I need for my Briggs and Stratton?

Dennis WaldenSep 13, 2021

Flathead Engine Spark Plugs & Gaps

Replacement Part TypeBriggs & Stratton Spark Plug Part NumberSpark Plug Gap
Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)696202 5066 (5066D, 5066H).030”
Resistor Spark plug - hotter spark (Replaces Champion RC14YC)496018S 5092.030”
Resistor692051.020”

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Herein, what size spark plug does a Briggs and Stratton lawn mower take?

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
Secondly, what kind of spark plug does my lawn mower take? Ideally, most automobile spark plugs use a thread size of about 14mm thread why those of lawn mower range between 10 to 12 mm. Because of these differences in thread sizes, they just won't fit into the same hole or the unit in which the plug is to be fit in.

Consequently, how do I know which spark plugs I need?

The different types of spark plugs can seem overwhelming at first, but the simple way to find out what kind of spark plug you need is by checking your owner's manual. The manual will specify the right plugs for your vehicle.

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.

Can you clean a spark plug with wd40?

WD-40 removes carbon residue and keeps moisture away from spark plugs and spark plug wires. WD stands for Water Displacement, so if your spark plugs are wet or you need to drive moisture away from ignition distributors, for example, WD-40 is a product you should have handy!

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

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.

How do you change the spark plug on a Briggs and Stratton lawn mower?

What happens if you put the wrong spark plug in your lawn mower?

Spark plugs that are gapped incorrectly can cause an engine to miss, or run erratically, especially during idle. The incorrect spark plug gaps can cause uneven firing of individual spark plugs and delay engine combustion; both of which can cause an engine to miss or idle erratically.

When should I change my lawn mower spark plug?

Replace spark plugs as often as is recommended by the manufacturer.
  • Change spark plugs at the beginning of every mowing season (in the spring) and/or every 100 hours of use.
  • Use the same spark plugs recommended by the manufacturer of your lawn tractor or push mower.

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.
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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.