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i mounted motorcycle Torque Master spark plugs and used them about 2 weeks.
I've had idle problems with them, my bike suffered at cold start idle and sometimes it switches off itself, when it happens a dark smoke come out from the air intake.
I remounted the stock spark plugs today and everything is ok now.
My bike is a 2012 96ci wide glide, with full stage 1 on it.
No, it's the Torque Master plugs. Harley's use a spark plug that is deigned for their bikes that uses an ion sensing technology that the ECU can recognize.
I've tried 3 or 4 different spark plugs in my bikes over the years. None of them, even the expensive "high performance" ones did not perform any better than the standard HD plugs.
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