3/4
recommend .030 "
The correct spark plug is a Champion RCJ8Y.
Tecumseh Part #611049 - Champion Spark Plug #RCJ8Y
I found it in Champion spark plugs as "RCJ8Y"
3/4 inch socket - .030 gap
Champion RCJ8Y. Very common plug for smaller 2 cycle engines. Champion RCJ8Y. Very common plug for smaller 2 cycle engines.
Champion Spark Plug Co. is currently owned by Federal-Mogul.
This plug is the Champion RCJ7Y.
Champion RCJ6Y
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