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Author Topic: Cb550 F2 Horn Mounting  (Read 457 times)

Offline bbrian66

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Cb550 F2 Horn Mounting
« on: March 28, 2026, 03:22:38 PM »
Hi All

Does anyone have images of how the horn should mount on a 550 F2? I think I must be missing some parts. I've attached a photo of my frame.  Is this where it should go?

Thanks
Bbrian66
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Offline mickwinf

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Re: Cb550 F2 Horn Mounting
« Reply #1 on: March 28, 2026, 03:55:20 PM »
no thats where the coils mount. horn mounts on a small bracket with 2 screw holes in front of downtubes, just out of sight on your pic. will see if i can find a pic
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Offline mickwinf

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Re: Cb550 F2 Horn Mounting
« Reply #2 on: March 28, 2026, 04:04:16 PM »
here you go look just under the rh indicator and you can see the horn
« Last Edit: March 28, 2026, 04:05:48 PM by mickwinf »
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Love the 500 and 550 have a 500 called Lazarus under restoration

Offline bbrian66

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Re: Cb550 F2 Horn Mounting
« Reply #3 on: March 28, 2026, 04:29:46 PM »
Thanks Mick. What i need is to understand how the horn mounts to the frame.
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Online Bryanj

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Re: Cb550 F2 Horn Mounting
« Reply #4 on: March 28, 2026, 04:58:52 PM »
Look up the parts list on cms
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Offline bbrian66

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Re: Cb550 F2 Horn Mounting
« Reply #5 on: March 28, 2026, 05:10:34 PM »
Quote from: Bryanj on March 28, 2026, 04:58:52 PM
Look up the parts list on cms
Thanks - I have,  but it doesn't show where the horn mounts or what it bolts to. I acquired this bike completely dismantled and many parts missing. Some areas are really not obvious.
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Offline Sesman

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Re: Cb550 F2 Horn Mounting
« Reply #6 on: March 28, 2026, 05:20:22 PM »
Like dis…..
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Offline Sesman

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Re: Cb550 F2 Horn Mounting
« Reply #7 on: March 28, 2026, 05:29:21 PM »
BTW. The horn is only loosely mounted as I’m refurbishing….before anybody comments.
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Offline bbrian66

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Re: Cb550 F2 Horn Mounting
« Reply #8 on: March 28, 2026, 05:42:59 PM »
Ok that makes sense.  But my frame has no mounting holes in this area. Any ideas why not?
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Offline bbrian66

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Re: Cb550 F2 Horn Mounting
« Reply #9 on: March 28, 2026, 05:43:48 PM »
Is the F2 frame different to the others?
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Online Bryanj

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Re: Cb550 F2 Horn Mounting
« Reply #10 on: March 28, 2026, 05:59:16 PM »
What is the frame number?
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Offline Sesman

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Re: Cb550 F2 Horn Mounting
« Reply #11 on: March 28, 2026, 06:25:45 PM »
That picture I supplied is from a 1977 F2. I’m not totally convinced that the frame section you have photographed is original, but I’m definitely not an expert.
« Last Edit: March 28, 2026, 06:32:51 PM by Sesman »
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Offline bbrian66

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Re: Cb550 F2 Horn Mounting
« Reply #12 on: March 28, 2026, 07:00:38 PM »
Quote from: Bryanj on March 28, 2026, 05:59:16 PM
What is the frame number?
2110300.
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Online Oddjob

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Re: Cb550 F2 Horn Mounting
« Reply #13 on: March 28, 2026, 07:24:29 PM »
Looks like the frame has been either damaged in the past or the bolt holes have been filled in.
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Offline Sesman

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Re: Cb550 F2 Horn Mounting
« Reply #14 on: March 28, 2026, 07:36:03 PM »
I tend to agree, Ken. The welding around the brace is about as bad as I’ve seen….cosmetically that is. It certainly doesn’t look original and the heavy paint coating can’t hide it. I’ll take some detailed photos of mine tomorrow with the horn off for comparison.
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