Lawnboy 8430

[sk734]

I need to know what champion spark plug to use.
Thanks
Steve

 

[Scrubcadet10]

Parts diagram shows a RJ12C

 

[viperv10]

Hello there,
CJ14 can be used in that mower and in lot of lawn boys. The other one mentioned is about the same but is a resistor plug. Some areas require you to use
resistor plugs but I live in the country and no one cares out here.
Regards
Jerrry