Spark Plug Firstfire - FF-20

Article#80495091 Model#FF-20
Spark Plug Firstfire - FF-20
 

Description

Designed for use with Briggs & Stratton engines and Kohler engines, this FirstFire FF-20 spark plug delivers reliable performance and efficiency. The spark plug provides consistent starts and superior fouling resistance for dependable use. This small engine spark plug replaces Champion models RC12YC and RC14YC.

Technical specifications

Model :FF-20 Type :Spark plug Utilization :Replaces Champion models RC12YC and RC14YC Style :Briggs & Stratton engines, Kohler engines

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Spark Plug Firstfire - FF-20 is rated 2.6 out of 5 by 7.
Rated 1 out of 5 by from Low Quality I purchased this plug to replace the factory plugs in my Husqvarna YTH24K48 that I purchased from Lowe's. When first installed, they seemed to run ok but after approximately six hours of mowing time, the mower began having problems that seemed like a fuel delivery issue at first. I cleaned the carb and did the general fuel system troubleshooting (filter, lines, etc) with no effect. After a long bout of electrical system troubleshooting including all the system switches and the ignition modules, I finally thought to check the spark with the plug outside the engine and I could not get any fire at all across the electrodes. I purchased and installed a set of Champion RC12YC that the Kohler manual recommended and the mower fired on the first crank. Comparing the plugs I noticed that the terminal on the First Fire actually unscrews from a threaded shaft underneath. When I fully unscrewed the terminal from the plug, I found that the threaded shaft appeared very heavily oxidized. The Champion on the other hand, had a solid terminal, more uniform electrodes, and actually had a much more snug fit into the engine, and into the plug wire connector. I would recommend the Champion over this plug hands down.
Date published: 2016-08-11
Rated 5 out of 5 by from Works good Purchased this for a 2005 L110 John Deere with a 17.5HP Kohler engine. Did my yearly maintenance of oil, oil filter and air filter and needed a plug this year. Lowes has everything I need for that maintenance in the lawn mower repair parts area. One stop shopping for everything is very convenient. If you compare cost after running to three different stores it makes sense to get it all at one place. I did verify the gap prior to installing and the gap was correct. D Rock 1fixitman Dwayne from Augusta, GA
Date published: 2014-05-28
Rated 1 out of 5 by from Terrible Spark Plugs I purchased these spark plugs the first of the mowing season. My John Deere ran great for the first time or two. The engine started acting like it was starving for fuel and running rough. I changed the fuel filter & refueled with fresh gasoline, the problem continued. I changed back to Champion, the problem stopped. Dont waste your money on these !!! [This review was collected as part of a promotion.]
Date published: 2018-10-26
Rated 1 out of 5 by from Junk These are terrible. Recommended as a replacement for Champion. I properly gapped them. Engine missed and backfired repeatedly. I pulled them and installed Champion Copper - runs perfect
Date published: 2018-05-05
Rated 4 out of 5 by from Great Product for the Price Works just fine. Replaced my fouled NGK and lit up the mower again on the first pull. Only 4 stars because it was a little tougher to gap than an NGK, and the terminal seemed a little loose. The cost alone will see me buy another.
Date published: 2017-11-19
Rated 5 out of 5 by from It is a First Fire The plug fires on first pull. Will know more next year, but so far it runs great in my Aunts Snapper self propelled lawn mower.
Date published: 2014-09-05
Rated 1 out of 5 by from Poor lifespan - avoid I replaced a Champion RC12YC that was in my portable generator with this plug. It ran fine for 50-70 hours. Then from one day running fine, my generator was hard to start. Once started ran for 5 minutes and stopped. Removed plug cleaned it replaced same result. Put old worn Champion plug in and generator fired up immediately and ran well.
Date published: 2020-08-26
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