Hereof, what size spark plug does a Briggs and Stratton?
NGK Spark Plugs for Briggs & Stratton Engines
BRIGGS & STRATTON GAS ENGINES -- All models except twin cylinder, Vanguard Intek, 19A400-19G400 series
Keeping this in view, 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.
Likewise, 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 .
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
You can't get the engine to fire up at all.
You have to tug extra hard for longer than usual on the rewind.
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.
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.
The spark plugs in both types of engine work on the same basic principle. ... Some automotive and lawn mower spark plugs may be interchangeable, but many others are not because of physical differences.
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.Share to:FacebookTwitterPinterestEmail