How do I know which spark plug for my lawn mower?
Spark plugs are typically located on the back or side of a lawn mower engine. Look for a short wire that's about 1/4-in. -thick leading to the top of a short, cylindrical protrusion from the engine. If you're not sure where the spark plug is, consult your owner's manual.
Consequently, will any spark plug work in a lawn mower?
Purchase the Correct Type of Spark Plug
Spark plugs aren't universal; you have to make sure that you buy one that fits your mower. You can consult your owners' manual to determine the types your lawn mower can use or take a look at the plug's ceramic insulator, which usually has the number printed on it.
Then, what type of spark plug does a Briggs and Stratton?
Flathead Engine Spark Plugs & Gaps
|Replacement Part Type
|Briggs & Stratton Spark Plug Part Number
|Spark Plug Gap
|Extended Life Series® OHV Spark Plug Platinum (Replaces Champion RC12YC)
|696202 5066 (5066D, 5066H)
|Resistor Spark plug - hotter spark (Replaces Champion RC14YC)
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.
The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at .NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs.Iridium plugs take less voltage to fire which results in more coil dwell time. That translates to better combustion, lower emissions, better fuel economy and more horsepower. Lower your costs. It's true – buying an upgraded plug does cost more than a basic spark plug.Symptoms of misfiring spark plugs include rough idling, uneven power when accelerating, and an increase in exhaust emissions.