Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with your lawn mower, snow blower or other outdoor power equipment. Follow this 3-step guide for resources to walk you through the process or jump to the section.
The gap between the center and side electrodes of a spark plug must be an exact distance; otherwise, your plugs don’t fire efficiently. Adjusting the distance between the two electrodes is called gapping your spark plugs. You need a feeler gauge to gap your spark plugs properly. Gap new as well as old spark plugs,. Apr 22, 2020. Champion spark plugs are a product of Champion’scommitment to quality and advanced technology, a commitment that has made Champion spark plugs the #1 choice of engine manufacturers, maintenance technicians and pilots around the world. Choose Iridium “S” spark plugs for high-performance engines. So it’s time to change the plugs on my 02 Camry 4-cylinger. The owner manual says Denso or NGK Iridium plugs. I nab a four-set of NGK Laser OE spec Iridium Plugs. Manual says a.043 gap so I check them with my feeler guage and note they are off - just a tad; I adjust the gap a bit farther being careful not to abrade the electrode surfaces. As I remove the plastic hood covering the. Athentech perfectly clear complete 3 7 0 1519 download free. The gap on a standard spark plug grows about 0.00063 to 0.000126 inch for every 1,000 miles of normal driving, which means the firing voltage requirements creep up about 500 volts for every 10,000 to 15,000 miles of driving.
Finding the Spark Plug on Your Engine
Use the Spark Plug Gap Chart to Find the Right Replacement & Setting
How To Gap Spark Plugs
Use the Spark Plug Gap Chart to Find the Right Replacement & Setting
How To Gap Spark Plugs
Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions.
Where is the spark plug located on my small engine?
Follow this step-by-step image guide to locate spark plugs in different Briggs & Stratton engine types. A spark plug wrench can help avoid engine damage when removing these parts for cleaning or replacement.
Also known as L head or Side Valve Engines, these engines are commonly used for walk behind lawn mowers and pressure washers.
Spark Plug Type & Gap Chart for Briggs & Stratton Engines
Now that you’ve found the part you’d like to replace, you can use the chart below to identify the genuine Briggs & Stratton replacement spark plug and gap recommendation.
CAUTION! Be sure to use the right spark plug! Although several different spark plugs may screw into the engine, using the incorrect one will result in performance problems and possible internal engine damage.
Flathead Engine Spark Plugs & Gaps
Also known as L head or Side Valve Engines, these engines are commonly used for walk behind lawn mowers and pressure washers.
Replacement Part Type | Replacement Spark Plug Options by Briggs & Stratton Part Number | Spark Plug Gap |
Standard Resistor | 796112S 802592S 5095 | .030” |
Electromagnetic Suppression (EMS) | 697451 | .030” |
Extended Life Series® L-Head Spark Plug Platinum | 796560 5062 (5062D, 5062H) | .030” |
Champion CJ8, RCJ8, RJ19HX, J19LM, and RJ19LM | 796560 5062 (5062D, 5062H) | .030” |
Champion RJ19LMC used in Quantum engines | 591868 | .020” Engines built after Code Date 110630x .030” – built before Code Date 110701xx* |
Champion RJ2YLE used in Quantum Series 625, 675, & 725 engines built after Date Code 110701xx | 799876 *Not for Quantum engines built before Date Code 110701xx or other L Head engines | .020” |
'Surefire' RJ2YXLE in Craftsman Smooth Start (MRS) lawn mower | 591040 | .030” |
If you have a Quantum engine, be sure to check the Code Date before doing any engine maintenance.
>> Find your small engine model number, code date and more.
>> Find your small engine model number, code date and more.
Replacement Part Type | Briggs & Stratton Spark Plug Part Number | Spark Plug Gap |
Resistor used on Vanguard models 050032 and 086400 only (Replaces Champion RC12YC) | 692051 | .030” |
Resistor (Replaces Champion RC12YC) | 491055S | .030” |
Electromagnetic Suppression (EMS) (Replaces Champion QC12YC) | 691043 792015 | .030” |
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” |
Resistor | 692051 | .020” |
Electromagnetic Suppression (EMS) (If not Chamion QC12YC model; check Illustrated Parts List to confirm) | 692720 | .030” |
Learn how to properly and safely use, troubleshoot, and maintain your lawn mower, tractor, snow blower, and other lawn and garden equipment.
Learn about the latest products by Briggs & Stratton, step-by-step instructions on how to locate your lawn mower engine model number, and more!
Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with your lawn mower, snow blower or other outdoor power equipment.
Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions.
Spark Plug Type & Gap Chart for Briggs & Stratton Engines
Now that you’ve found the part you’d like to replace, you can use the chart below to identify the genuine Briggs & Stratton replacement spark plug and gap recommendation.
CAUTION! Be sure to use the right spark plug. Although several different spark plugs may screw into the engine, using the incorrect one will result in performance problems and possible internal engine damage.
Flathead Engine Spark Plugs & Gaps
![Online Online](https://i.ytimg.com/vi/uHqvgck8evM/maxresdefault.jpg)
Also known as L-head or side valve engines, these engines are commonly used for walk behind lawn mowers and pressure washers.
Replacement Part Type | Replacement Spark Plug Options by Briggs & Stratton Part Number | Spark Plug Gap |
Standard Resistor | 796112S 802592S 5095 | .030” |
Electromagnetic Suppression (EMS) | 697451 | .030” |
Extended Life Series® L-Head Spark Plug Platinum | 796560 5062 (5062D, 5062H) | .030” |
Champion CJ8, RCJ8, RJ19HX, J19LM, and RJ19LM | 796560 5062 (5062D, 5062H) | .030” |
Champion RJ19LMC used in Quantum engines | 591868 | .020” Engines built after Code Date 110630x .030” – built before Code Date 110701xx* |
Champion RJ2YLE used in Quantum Series 625, 675, & 725 engines built after Date Code 110701xx | 799876 *Not for Quantum engines built before Date Code 110701xx or other L Head engines | .020” |
'Surefire' RJ2YXLE in Craftsman Smooth Start (MRS) lawn mower | 591040 | .030” |
If you have a Quantum engine, be sure to check the Code Date before doing any engine maintenance.
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Replacement Part Type | Briggs & Stratton Spark Plug Part Number | Spark Plug Gap |
Resistor used on Vanguard models 050032 and 086400 only (Replaces Champion RC12YC) | 692051 | .030” |
Resistor (Replaces Champion RC12YC) | 491055S | .030” |
Electromagnetic Suppression (EMS) (Replaces Champion QC12YC) | 691043 792015 | .030” |
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” |
Resistor | 692051 | .020” |
Electromagnetic Suppression (EMS) (If not Chamion QC12YC model; check Illustrated Parts List to confirm) | 692720 | .030” |
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WARNING: Always read the engine and equipment manual(s) before starting, operating, or servicing your engine or equipment to avoid personal injury or property damage. See an authorized dealer or contact Briggs & Stratton if you are unsure of any procedure or have additional questions. Find all Engine Safety Warnings >
Spark Plug Gap Champion Manual 2017
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Learn about the latest products, step-by-step instructions on how to locate your engine model number and more.