Tuesday, October 25, 2011

What does a Resistor do in a spark plug ? And why wont my bike start ?

Ive changed my old spark plug %26quot;BR7HS%26quot; with a %26quot;B7HS%26quot; And now the bike wont start.

Ive been told the %26quot;R%26quot; stands for Resistor. What does this do and why is it effecting my bike ?
What does a Resistor do in a spark plug ? And why wont my bike start ?
The resistor in a spark plug cancels out RFI (Radio Frequency Interence). RFI can disrupt electronic igniton system and fuel injection computer signals. RFI also interefres with the radio reception, when car manufactuers first switched from points-type igniton systems to electronic, if you did not run resistor type plugs, you would get a loud buzzing sound from the car radio.

Resistor type plug wires are used for the same reason.



If your bike calls for resistor plugs and wires...and almost every car, truck and bike made since the late 70's do.....USE THEM....there is a reason for this
What does a Resistor do in a spark plug ? And why wont my bike start ?
just cuts down on the interference from your spark plugs to the radio.



Something else is wrong.

Crossed plug wires, perhaps ?



Kill switch engaged ??

Fuel on ?
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