KZR's Bikes of the Month for 2024

KZ550/GPz550 Horn Upgrade

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25 Oct 2020 16:37 #837706 by srsupertrap
KZ550/GPz550 Horn Upgrade was created by srsupertrap
I would like to upgrade the anemic OEM horn on my 81 GPz550. The horn is a two terminal type and is pretty wimpy. Anyone have a good bolt on aftermarket horn they recommend?

1981 KZ550 D1

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25 Oct 2020 17:47 #837710 by Irish Yobbo
Replied by Irish Yobbo on topic KZ550/GPz550 Horn Upgrade
The standard horn on my KZ750 is pretty good by itself. The horn on my KZ250 didn't work, so I just brought a battery to my local bike wreckers and tested what they had and bought one of those. Most standard horns are pretty good unless they corroded and broken, or Chinese rubbish.

I put a stebel nautilus compact air horn on my mini, and it is great. A bit larger than a standard bike horn though, so it might need a bit of work to fit to a bike.

1981 KZ750 LTD
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25 Oct 2020 18:34 - 25 Oct 2020 18:40 #837713 by 650ed
Replied by 650ed on topic KZ550/GPz550 Horn Upgrade
I installed a Fiamm horn on my KZ650. It is a Fiamm 72112 Freeway Blaster Horn (Low Tone - F). I put it on the frame up behind the triple tree, and it cannot be seen there. I was able to hook it up without cutting any wires and with keeping the stock horn in place and operational (see wiring diagram below). It is much louder than the stock KZ650 horn (see and hear image below). Ed



Attachment Horn Wiring Diagram.jpg not found


1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Attachments:

    Fiamm Horn.mov

Last edit: 25 Oct 2020 18:40 by 650ed.
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25 Oct 2020 18:49 - 26 Oct 2020 11:18 #837714 by F64
Replied by F64 on topic KZ550/GPz550 Horn Upgrade
1998 vw bug horns.
2 horns hi/lo. $30 ebay
Pretty loud

Although, the new Toyotas have some loud horns as well.
I tend to notice the loud ones when walking around Manhattan. These horns show up on Camrys as well as other models.
I stay away from air horns as a main horn because of the delay.



Attachment PSX_20201026_141657~2.jpg not found


81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
Attachments:
Last edit: 26 Oct 2020 11:18 by F64.
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