Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match GuaranteeGET PRO PRICING
Video & Articles: Appliance & Equipment RepairBriggs & Stratton Lawn Mower Replace Engine Spark Plug #591910
Briggs & Stratton Lawn Mower Replace Engine Spark Plug #591910
Skill Level
Total Parts Cost
$6.56Estimated Savings
$112.5001:24
- Description
This video provides step-by-step instructions for replacing the spark plug on Briggs & Stratton small engines, commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reason for replacing the spark plug is if the engine runs poorly or won’t start and the spark plug proves to be at fault.
All of the information in this spark plug replacement video is applicable to the following brands: Briggs & Stratton
Tools used: 13/16” deep-well socket or spark plug wrench
All of the information in this spark plug replacement video is applicable to the following brands: Briggs & Stratton
Tools used: 13/16” deep-well socket or spark plug wrench
Step By Step Instructions
1
Before you replace the spark plug on your engine first make sure the engine has cooled.
2
Now remove the wire and boot from the spark plug.
3
Use a 13/16th inch deep-well socket or a spark plug wrench to help loosen the old spark plug then unthread it.
4
Before you install the new spark plug confirm that the spark gap is at manufacturer’s specifications.
5
This engine model requires a 20 thousandths of an inch gap.
6
Now thread the new spark plug into the cylinder head.
7
Be careful not to strip the threads by over tightening.
8
Attach the wire and boot to the spark plug and your engine should be ready for use.
Description
This video provides step-by-step instructions for replacing the spark plug on Briggs & Stratton small engines, commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reason for replacing the spark plug is if the engine runs poorly or won’t start and the spark plug proves to be at fault.
All of the information in this spark plug replacement video is applicable to the following brands: Briggs & Stratton
Tools used: 13/16” deep-well socket or spark plug wrench
All of the information in this spark plug replacement video is applicable to the following brands: Briggs & Stratton
Tools used: 13/16” deep-well socket or spark plug wrench
Step-By-Step Instructions
1
Before you replace the spark plug on your engine first make sure the engine has cooled.
2
Now remove the wire and boot from the spark plug.
3
Use a 13/16th inch deep-well socket or a spark plug wrench to help loosen the old spark plug then unthread it.
4
Before you install the new spark plug confirm that the spark gap is at manufacturer’s specifications.
5
This engine model requires a 20 thousandths of an inch gap.
6
Now thread the new spark plug into the cylinder head.
7
Be careful not to strip the threads by over tightening.
8
Attach the wire and boot to the spark plug and your engine should be ready for use.
Applicable Product Model
Total$0.00
Related Articles & Videos
03:24
Part Replacement
Briggs & Stratton Mower Small Engine Fuel Filter Installation #791891
08:09
Part Replacement
Briggs & Stratton Lawn Mower Engine Carburetor Rebuild Kit #498260
Our Story
Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.
About Repair Clinic
© 2026 RepairClinic.com