Briggs And Stratton Spark Plug Chart

Spark Plug is a crucial component of your mowing engine. Maintaining the peak performance in your Briggs & Stratton engine demands routine maintenance. Thus, to keep your mower in good shape, check the spark plug often. A faulty spark plug may cause your Briggs and Stratton lawnmower not to work correctly. So, a routine check-up is a good idea.

This guide contains all the information regarding spark plugs designed for use with Brigs & Stratton engines. You will learn how to read the chart for the spark plug that best suits your engine and how to fix it correctly. This guide is going to make changing out a spark plug easy and breezy. Let’s jump into it! 

In This Article

Briggs and Stratton Spark Plug Chart Correct Sizes

Different sizes of spark plugs are available in your Briggs and Stratton engine to function correctly on your lawn mower. The correct size is significant and varies with the change in your vehicle or machine. If you have the proper spark plug size, you will have a stable fuel economy, consistent spark, and reliable starting. 

Briggs and Stratton have made several categories of spark plugs, and these categories have different models. They are categorized due to the difference in their gap size, which is why the Briggs and Stratton spark plug gap is essential to check.  

Here is a lawn mower spark plug gap chart guide to give you complete gap information about snow blowers, mowers, and a chainsaw. Have a look at them;

ConcernSpark Plug Hex SizeSpark Plug Reach
Briggs and Stratton Riding Mower16mm12.7mm
Briggs and Stratton Snowblower20.6mm9.5mm
Briggs and Stratton Chainsaw20.6mm12.7mm

Here is a complete guide about the sizes of Briggs and Stratton riding mowers, snow blowers, and chainsaws:

1. Briggs and Stratton lawn  Mower Spark Plug Size

Briggs and Stratton lawn Mower Spark Plug

The standard Briggs and Stratton riding lawn mower spark plug size is approximately 14 to 16mm. It is the maximum size of the spark plug, and if you try to increase the size from 16mm, your lawn mower will not work. Briggs and Stratton spark plug maximum size is 16mm, and the minimum size is 14mm. Any measurement more or less than that is very risky. 

Different types of spark plugs are available, the NGK spark plug series is commendable. However, when you use the Champion spark plug series, you will know the difference as it is one of the best. Other than these two series, platinum spark plugs are well-known and reliable.

If you look at the spark plugs for lawn mowers chart, you will see that the maximum reach of the spark plug is 19mm, but actually, it is nearly 18mm or a maximum of 18.5 mm. If you try to take more than that, your mower will start showing problems and find it challenging to create and function properly. 

The perfect thread size is 14mm, while the spark plug sizes might differ for other vehicles. Only buy a spark plug after confirming the size from the spark plug chart for Briggs and Stratton engines. You can also check the Briggs & Stratton spark plug cross reference to check the codes imprinted on these plugs. 

2. Briggs and Stratton Snowblower Spark Plug Size

 Briggs and Stratton Snowblower Spark Plug

If you look at the Briggs and Stratton snow blower spark plug chart, the maximum reach of this spark plug is 9.5mm while the reach of a chainsaw is 12.7mm. This makes the snow blower different from the chainsaw. The hex size is the same for both, about 20.6mm. To make a snow blower work properly, the center should be a copper core to keep the spark consistent.

The thread size of the snowblower spark plug is 14mm. Whereas, the champion spark plug is best for the spark plug series as they work the best for snow blowing. Snow-blowing engines work best with the platinum series as well. The compatibility of the platinum series is much more than any other series as they provide more powerful snow-blowing engines.

Finding the perfect and matching spark plug is the key to making the working of the spark plug smooth. If the size of the spark plug is not perfect, the engine will stop working, and the entire blower will face the consequences of one wrong decision. If the size does not match the engine, the ice-cleaning process will become slow and painful and create a mess. 

3. Briggs and Stratton Chainsaw Spark Plug Size

Briggs and Stratton Chainsaw Spark Plug

Briggs and Stratton spark plug conversion to champion is the perfect decision to make it work. The chainsaw typically works excellently with the champion spark plug. Many fans follow the platinum chainsaw spark plug for its efficiency and reliability. Some praise the NGK spark plug for Briggs and Stratton, but the above have the most votes. The other measurements of the chainsaw size include the thread size being the same as the mower and blower, 14mm. The standard length of the chainsaw spark plug is approximately 20.6mm, and the maximum reach of this chainsaw is 12.7mm. 

Guidelines to Choose a Perfect Spark Plug

Guidelines to choose a perfect Spark Plug

If you want to buy a spark plug and don’t know how to check the size of the spark plug, it is simple to check the size by checking the reference code on the spark plug. You can check the spark plug cross reference chart, see your desired size, and compare it to the one you buy. The gap between chainsaws should range around 0.030 inches. Hence, ensure the gap does not cross this measurement, otherwise, the machine will not work correctly.

Conclusion

Avoid the tension and choose the perfect spark plug for your Briggs and Stratton lawn mower, snowblower, or chainsaw. This article explores the reach, lowdown on hex size, and thread diameter. In addition, a small engine champion spark plug gap chart also explains the recommended spark plug sizes for each machine. There are many popular options to choose from like NGK, Platinum plugs, or Champions to find the ideal spark plug for your engine. So, be smart and choose the right spark plug for your engine.

FAQs

1. Which Is the Best Spark Plug for Briggs and Stratton?

Different spark plugs are available in the market, and sizes differ depending on your vehicle and ride. It is better to check the small engine spark plug gap chart and buy the right one. You can choose between NGK, Champion, platinum, and Boss spark plugs. They have different varieties.

2. Which Spark Plugs Are Interchangeable?

Knowing the correct spark plug conversion chart for small engines, you can find which spark plug is interchangeable in your vehicle. So, look at the chart first before buying any conversion spark plug.

3. What Type of Spark Plug Will Work With 17.5 Briggs and Stratton?

The 17.5 Briggs and Stratton can take a 691043 OEM plug, which has proved to work great with the 17.5 engine.

Leave a Comment