What is the spark plug gap for a Craftsman lawn mower?
Flathead Engine Spark Plugs & Gaps
|Replacement Part Type||Replacement Spark Plug Options by Briggs & Stratton Part Number||Spark Plug Gap|
|"Surefire" RJ2YXLE in Craftsman Smooth Start (MRS) lawn mower||591040||.030”|
Herein, what should a lawn mower spark plug gap be?
Setting the Gap on Your Spark Plug
You'll need a spark plug gauge to adjust the gap on your lawn mower's spark plug. Although many small engine spark plugs require a .030 gap, this varies depending on the engine type. You can check this on the engine owners manual.
|Replacement Part Type||Briggs & Stratton Spark Plug Part Number||Spark Plug Gap|
|Electromagnetic Suppression (EMS) (Replaces Champion QC12YC)||691043 792015||.030”|
|Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)||696202 5066 (5066D, 5066H)||.030”|
Also, what is the spark plug for a 6.75 HP Craftsman lawn mower?
Compatible Spark Plug for Craftsman Lawn Mower & Garden Tractor with Tecumseh 6.75 hp OHV - Compatible Champion RJ19LM & NGK BR2LM Spark Plugs.
What happens if the spark plug gap is wrong?
If the spark plug gap is incorrectly set, it can lead to engine issues. The customer may experience loss of power, misfires, spark plug fouling, increased plug wear, or poor gas mileage.
What kind of spark plug do I need for my Craftsman lawn mower?Replacement Plug
The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at .
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.
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.
- Your lawn mower loses power while moving.
- The gas runs out quicker than it used to.