Question about Honda CB 750 Nighthawk Motorcycles
More than likely one of the two ignition coils is bad. It is common for coils with broken internal wires to work fine when cold, but fail when the windings heat up and expand. To prove this, switch the coil outputs and see if the original "bad" cylinders are now "good" when hot. You will still experience the same problem (the original "good" coils will now be "bad" when hot), but you will have isolated the problem.
Posted on Jul 21, 2009
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Posted on Jan 02, 2017
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