Quote:
Originally Posted by Mohawk
FYI the resistance of external coils is 3ohm, the CoP's are 1.5ohm, I worried about this when I fitted CoP's to my 800 4 years & a good few thousand miles ago. So I tested a CoP in place after a long run, the CoP is inside the plug tunnel so does not get cooled & they are designed to run like that. I got 2.5ohm resistance whilst hot after the few minutes it took me to get access ! No CDI or ECU damage.
Head access was my main reason for doing this & I'll be fitting a big bore 282cc later in the year.
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0.5 ohm difference is no big deal for sure!
Dropping it from 3 to 0.5 ohm would be a not so good thing.