KZ 305 CSR - Horn switch question - Kawasaki Motorcycle Forums
 
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post #1 of 5 (permalink) Old 07-24-2019, 12:57 PM Thread Starter
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KZ 305 CSR - Horn switch question

Just bought this and in order to get it registered I need a working horn. The button is gone and I'm having a hard time figuring out how the wiring here works. I really don't want to have to buy an entire new left bar control as mine is otherwise in good shape (and the ones on ebay look worse overall).

Anyone have a good way to repair this instead of replace?

Anyone know why there's just one black wire here?

Also, what is the "PASS" label referring to?


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post #2 of 5 (permalink) Old 07-24-2019, 01:22 PM Thread Starter
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post #3 of 5 (permalink) Old 07-25-2019, 09:54 AM
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What year is the motorcycle? The Kawasaki dealer may have the horn button assy. Partzilla is showing that they have a horn button for the 81 KZ305-CSR & the photo shows that it includes the spring.

The horn has a power wire to it, usually brown, & pressing the button completes the circuit to ground. I think it's grounded via the handlebars.

I believe the passing button affects the headlight & I think it's a European thing to let a slow driver ahead know that you intend to pass. I think in Europe the headlight is normally off & pressing the PASS button turns on the headlight. There is also a separate headlight switch to turn on the headlight for night-time driving. Additionally on Euro models, there is an extra/separate "city light" in the headlight bucket that's kind of like a daytime running light. In the USA the headlight is always on when the ignition switch is on, but there isn't a separate "city light".
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1981 KZ650-CSR. Competition, Sports & Road.
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post #4 of 5 (permalink) Old 07-25-2019, 04:23 PM Thread Starter
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Quote:
Originally Posted by martin-csr View Post
What year is the motorcycle? The Kawasaki dealer may have the horn button assy. Partzilla is showing that they have a horn button for the 81 KZ305-CSR & the photo shows that it includes the spring.

The horn has a power wire to it, usually brown, & pressing the button completes the circuit to ground. I think it's grounded via the handlebars.

I believe the passing button affects the headlight & I think it's a European thing to let a slow driver ahead know that you intend to pass. I think in Europe the headlight is normally off & pressing the PASS button turns on the headlight. There is also a separate headlight switch to turn on the headlight for night-time driving. Additionally on Euro models, there is an extra/separate "city light" in the headlight bucket that's kind of like a daytime running light. In the USA the headlight is always on when the ignition switch is on, but there isn't a separate "city light".
...
Awesome info - thanks for the response.

Bike is an '81 so not sure if they'd have something that old.
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post #5 of 5 (permalink) Old 07-25-2019, 07:19 PM
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As mentioned above, Partzilla has a photo of the horn button assy, so it should be available. They wouldn't have a pic if they didn't have it.







....

1981 KZ650-CSR. Competition, Sports & Road.
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