homepostsWhat spark plug goes in a Briggs and Stratton 6.75 HP?

What spark plug goes in a Briggs and Stratton 6.75 HP?

Dennis WaldenSep 13, 2021

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

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Regarding this, what spark plug does a Craftsman lawn mower use?

Replacement Plug

The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at .

Moreover, how do I know what spark plug I need 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.

Hereof, what spark plug do I need for my Briggs and Stratton?

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”

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.

Do lawn mower spark plugs come pre gapped?

Check the gap on the new spark plug before installing it. A new plug will often come pre-gapped to match your specific engine, but use a spark plug gauge to verify that it matches the manufacturer's specifications.

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.

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.

How often should you change spark plug in lawn mower?

every 25 hours
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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.