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recommend .030 "
ngk BPMR4A
Champion RCJ8Y. Very common plug for smaller 2 cycle engines. Champion RCJ8Y. Very common plug for smaller 2 cycle engines.
3/4
The correct spark plug is a Champion RCJ8Y.
Tecumseh Part #611049 - Champion Spark Plug #RCJ8Y
3/4 inch socket - .030 gap
I found it in Champion spark plugs as "RCJ8Y"
check specs
Champion RZ7C or NGK CMR7H are listed as equivalents but check thread length and porcelain length.
rcj8y has a built in resistor to protect electronic ignitions from spurious signals also to reduce interference to TVs etc. i.e. the R in the plug designation indicates resistor.
The same thread pattern as a Belgium made Browning. Same gun, same specs, different metal in the barrels.