Try locating the engine data sticker under the hood; it should be white, four inches wide by two inches wide. Usually stuck on the underside of the hood, the top of the radiator frame mount, the valve cover, or the air cleaner assembly. Spark plug gap should be specified on one smaller portion near the bottom.
Champion Spark Plug Co. is currently owned by Federal-Mogul.
Champion RCJ6Y
This plug is the Champion RCJ7Y.
A sp-34 spark plug to a Champion plug is a small engine spark plug. They can be used for lawnmowers and weed eaters among other things.
Champion Spark Plug QC12YC
Champion J6C
If you damaged a Champion RJ19HX spark plug, then you can indeed replace and substitute that with a Champion RJ19LM spark plug due to the similarity in their sizes.
Use the same spark plug that came in it, Champion for best results.
ngk Bm6a its the same plug
GAP .030"
Champion RDZ4H
Champion 3071