It wouldn't hurt (and is pretty easy) to measure ignition (key) switch resistance and check the harness ground terminal for corrosion.
Cheers, -ntd On Wednesday, March 30, 2016 at 2:24:43 PM UTC-5, Erik Prime wrote: > > Hello all ! > > I am about to be a proud owner of a 1983 Nighthawk 650. I have owned 8 > motorcycles in the last 12 years, anything from a 1982 CX500, up to a > CBR1000 > > The 650 is a nice medium. I have a problem though, and wanted to get a > jump on solving it. Thanks to Paul, i found out about this group. So the > bike runs great, 12k miles, slight oil leak, but the main issue is a > intermittent knock sound, that ONLY happens at IDLE. Ive attached a video, > and also posted it Here (click) > <https://www.youtube.com/watch?v=M9t-TLSI-Fg&feature=youtu.be> > > You can hear at :04 and :07 the faint knock, and even see a small plume of > smoke. > > I plan on replacing Plugs, Coils, Wires, and doing a carb sync... just > wondering if anyone else has come across this? > > Thanks! > > -Erik > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To unsubscribe from this group and stop receiving emails from it, send an email to nighthawk_lovers+unsubscr...@googlegroups.com. To post to this group, send email to nighthawk_lovers@googlegroups.com. Visit this group at https://groups.google.com/group/nighthawk_lovers. For more options, visit https://groups.google.com/d/optout.
