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CB750K6 Horn Button

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Martin6:
Finally, my non-working horn is 'fixed', sort of. I thought it was related to the broken horn button. After opening the handlebar switch unit at least 3 times, I found the fault was a broken wire 1/4" from the bullet connector near the coil. I must have disturbed it when I replaced one of my coils 2 weeks ago!  I guess this is a warning that my wiring loom might be showing its age.  ::). At least the buttonless stalk still activates it OK.

Now it's getting power, the horn unit itself only clicks though, it definitely doesn't want to vibrate. I took it off to test it direct on a battery and again, I hear the contact click, but it won't vibrate. It has something loose inside it rattling around. I thought I'd take it apart, but it's all riveted together. Looks a bit old and sad (matching its owner!). The horn has the same terminals as my Bandit, so I'll connect it and test it all with that tomorrow. If it works fine, then I'll head back to the breakers yard nearby in Colchester, to see if they have something similar. I already checked there for a horn button. They would only sell complete switch gear units, but had nothing similar anyway.

Still looking for a horn button, if anyone has one languishing unloved somewhere? 👍

Oddjob:
My box of switchgear parts is so well put away I can't find the bugger. It will show up eventually.

Martin6:
👍

Bryanj:
Remove the adjusting screw and fill it with wd40 then wind srew in and out a few times

Martin6:
OK. I'll try that. It was the rattle that suggested to me it may be beyond salvage? Like a very tiny component loose inside, small screw, nut or lump of solder.

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