hey guys, i have a question about spark plugs. i posted this on yamaha board also but i figured i ask you all as well. first what is the difference between resistor and non resistor plugs? and what brand do you use i have ngk r br7hs 10 in there now, its for an 07 vmax 150 carbed motor thanks.
Resistor plugs suppresses radio frequency interference which causes interference in your electronics.
In Johnson and Evinrude outboards uses resistor plugs because of the Capacitive Discharge Ignition system, which will cause misfires and poor performance if non-resistor plugs are used.
NGK-Z type are the resistor plugs.
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Javelin Renegade 20 DC
Johnson 225 H.O.
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