it varies by year and model, most are .060, the spec should be on emission label somewhere on hood or engine compartment
.025
22 thousands
.039-.043" gap 14-22 ft/lbs torque
22 thousands or the width of a cigarette package.
For a 2001 Toyota Sequoia, the factory and spark plug manufacturer recommended gap is .032" (.813mm). The spark plug manufacturer's recommended torque for flat-seated plugs / aluminum heads is 20-30 n-M (15-22 ft lbs), but double check your owner's manual (if available) to be sure.
0.043 for 2002. Go with a platinum tipped. 14 - 22 Ibs with a torque wrench
Gap the plugs .038" to .043" and torque the plugs to 22 ft/lbs.
If it is not written/stamped on the engine, and you don't know the model number of the mower, you could go by the spark plug itself. For instance, a Champion brand CJ8 spark plug is typically set to .030" Most mowers are either .025" or .030" so if you can't find it elsewhere, try one of those.
The spark plug gap for a Briggs & Stratton 22 HP engine is typically set between 0.030 to 0.040 inches (0.76 to 1.02 mm). It's important to check the owner's manual for the specific model to ensure you have the correct gap setting, as it may vary slightly by engine model. Always use a feeler gauge to accurately measure and adjust the gap as needed for optimal engine performance.
Loosen and move the air intake tube for better access. Remove the three 13mm bolts of the spark plug coil rail. Cut the two zip ties of the spark plug coil rail. Remove the spark plugs with 5/8 spark plug socket. Check the gap on the spark plugs. Torque the new plugs in (22 ft/lbs). Replace the spark plug coil rail and air intake tube. heres a link with more step by step info: http://jeep.us41.org/sparkplugs/index.html
A champion RC12YC spark plug is 14mm thread diameter. The torque for this size is 18-22 foot-pounds (25 to 30Neuton·meters)
The Firstfire FF-22 spark plug is typically replaced by the equivalent spark plug from other manufacturers, such as the NGK BPR6ES or the Bosch WR7DC. It's important to check the specifications and compatibility with your specific engine to ensure optimal performance. Always consult your vehicle's manual or a trusted mechanic for the best replacement option.