Champion CJ8 spark plug is for the crsftsman 3.0 edger/trimmer
follow the thick black wire from under the fly wheel cover it goes to the spark plug
0.020 in or 0.50mm
on most trimmers the gap is about 25 thousands !!
Champion RCJ-6Y ... per the Manual.
If it's the metal bar near the spark plug that you push towards the plug to kill it, all it does is ground out the plug, making it not spark. That bar is connected to the frame of the mower ie grounded which in turn grounds out the plug and wire
To repair the carburetor on a Craftsman high wheel weed trimmer model 536773501, first, ensure the trimmer is off and disconnect the spark plug for safety. Remove the carburetor from the engine, clean it with carburetor cleaner, and inspect for any damaged gaskets or parts. Replace any worn components, such as the diaphragm and needle, then reassemble and reinstall the carburetor. Finally, reconnect the spark plug and test the trimmer to ensure it runs smoothly.
RJ19LM Champion
spark plug is good but when its plug in to coil on spark
.030"
.030"
It is likely a problem with the carburetor if a lawn edger won't start. It may have clogs which are preventing the spark at the plug.
0.020"