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Discussion Starter · #1 ·
Are plug wires a dealer or aftermarket item only or can you get them through a NAPA or Automotive Parts Shop? Any suggestions or preferences to any particular brand? this would be for a 79cx500c. picked up the digital tach from my uncle yesterday, hope to have the digital manometer for carb synching next week.
 

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The plug wires don't come off the 78-81 cx500 coils. Unless you break them.



The wire is soldered and then molded to that pin on the left.

 

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Discussion Starter · #3 ·
Thanks for the great pic Blindstitch. I know new wires can make a big improvement in an Auto Tune-up...17k miles on the Bike I am working on...do you guys find you ever replace them? Are there any prescribed tests to check the coils? Some things are better just left alone--and I dont want to just change them to change them, but would like to get some sort of baseline or condition evaluation of the coils.
 

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Basically you don't bother with them but you do get rid of the internal resistors in the plug caps by replacing them with a piece of brass rod. Just keep the wires clean and worst case you replace the actual coil assembly with one that's compatible with a CDI ignition bike.



New non-resistor plug caps are available but, unless cracked, normally don't need replacement either.
 
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