Bad horn

eyhonda · Post by **eyhonda** » Wed Jun 09, 2010 2:35 pm

I have a cb77 horn that just stopped working. Is it possible to rebuild them or is it serviceable?

jleewebb · Post by **jleewebb** » Wed Jun 09, 2010 3:15 pm

Hi Eric...

I managed to repair my horn:

http://www.honda305.com/forums/viewtopi ... &highlight

Yours may have a different problem, but taking it apart and figuring out how it's supposed to work would be a place to start.

The dome part just pries off, best i can recall.

good luck, Lee

eyhonda · Post by **eyhonda** » Wed Jun 09, 2010 4:33 pm

Thanks, Lee. I'll try to inspect it more when I get a chance. I wasn't sure how to pry it open in the first place.

Wilf · Post by **Wilf** » Wed Jun 09, 2010 5:57 pm

These CB77 horns are easily serviced/repaired and there should never be any reason to throw one out--they should last hundreds of years!

Are you sure it's the horn that is the problem? The switch and wiring connections would be my first suspects.

Wilf

eyhonda · Post by **eyhonda** » Wed Jun 09, 2010 10:28 pm

The wiring is ok since it is working with a temporary horn from a cb175. Anyway, I just got it working! Thanks for all the responses! Great forum! I'm glad I didn't sell it. I just popped it open and tapped it few times and some debrie (sp?) fell out. Then I adjusted the nut for a better tone. Cool! It was surprisingly clean inside too.

Wilf · Post by **Wilf** » Wed Jun 09, 2010 10:56 pm

Ah, that's nice to hear! The last horn I shook had a colony of dead sow bugs and some grit, but after shaking out the debris, it worked fine!

Wilf

Wilf · Post by **Wilf** » Wed Jun 23, 2010 9:31 pm

I take back my second-to-last post! I opened up this spare horn yesterday to see if a broken wire or pitted points were the cause of its failure to make noise...

I'm not sure I will be able to get this working really soon...

Wilf

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