What should the spark plug gap be on a Briggs and Stratton?
Flathead Engine Spark Plugs & Gaps
|Replacement Part Type
|Briggs & Stratton Spark Plug Part Number
|Spark Plug Gap
|Electromagnetic Suppression (EMS) (Replaces Champion QC12YC)
|Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)
|696202 5066 (5066D, 5066H)
Moreover, what should a lawn mower spark plug be gapped at?
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.
An ignition armature must be set at a precise distance from the flywheel. Your engine repair manual will provide the proper gap for your engine. Common armature gap ranges are .006 - .
One may also ask, what spark plug goes in a Briggs and Stratton 6.75 HP?
This Briggs & Stratton spark plug is good for 625e, 675ex, 725ex series, 625-675 series and Quantum 3.5-6.75 gross HP engines.
|Briggs & Stratton
|Assembled Product Dimensions (L x W x H)
|5.68 x 2.50 x 0.87 Inches
What happens when the spark plug gap is too big?
One of the key factors that makes a spark plug work well, or not, is the size of the gap between the electrodes. ... However, if the spark plug gap is too large, the spark is unlikely to consistently "jump" across the long distance between electrodes, thus leading to a rough-running engine or one that doesn't run at all.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.