Some problems with Stebel Horn sound - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 19 Old 06-05-2011, 09:36 PM Thread Starter
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Some problems with Stebel Horn sound

I know it is not directly related to v-strom, but I do have the stebel mounted on a v-strom.

Anyway - I installed 2 months ago, seemed to have worked fine. Got it from PWD.
Now I noticed that one tone comes immediately out but the other one only about 1-2 seconds later.
They both don't sound as loud as I remember they were in the beginning.
Any ideas?

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post #2 of 19 Old 06-05-2011, 09:40 PM
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One possibility: The body of the compressor is supposed to be mounted vertically +/- 15 degrees.

Another: some of the relays that shipped with these horns were crap. I had two go bad.

-Tom (DL650AL2) (KA1TOX) (E-I-E-I-O)

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post #3 of 19 Old 06-05-2011, 10:54 PM Thread Starter
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Thanks.
But:
1. The stebel is mounted vertically
2. If the relay was bad, wouldn't there be no sound for the first tone? Or perhaps the relay only passes part of the current? I thought a bad relay simply doesn't work and there would be no sound, but I do get sound.

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Last edited by BigMan73; 06-05-2011 at 11:07 PM.
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post #4 of 19 Old 06-06-2011, 09:04 AM
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My Stebel is mounted properly and within their specs....however if the outside air temp is below 55 or so degrees it only produces a single note.
When the outside air temp warms up a bit it then makes a dual note....

Weird but true.

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post #5 of 19 Old 06-09-2011, 07:03 PM Thread Starter
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Thanks all for trying to help.
My stebel 2nd horn (upper) has died.

I contacted Gary from PWD and asked for help.
He immediately responded and ask me to test the horn without the air intake tube (he suspected that is the cause of issues).
I took it off the tube but without change. One horn is just not blowing air out, the other is OK.

Gary immediately sent a replacement, no charge.
The horn arrived today, still did not have time to test it.
I wanted to sent the defective unit back but Gary said to just throw it away and enjoy the new one - what can I say?

A-W-E-S-O-M-E service!! That's why I bought from PWD (reading reviews) and I would definitely buy from them again and recommend to others!
Good job PWD!

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post #6 of 19 Old 05-01-2014, 03:30 PM
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Quote:
Originally Posted by Chewy View Post
My Stebel is mounted properly and within their specs....however if the outside air temp is below 55 or so degrees it only produces a single note.
When the outside air temp warms up a bit it then makes a dual note....

Weird but true.
Same thing with mine.
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post #7 of 19 Old 05-01-2014, 04:39 PM Thread Starter
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Quote:
Originally Posted by XLonDL650 View Post
Same thing with mine.
Same here.
I'm not sure if it is temperature only affecting it or also humidity.

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post #8 of 19 Old 05-01-2014, 05:13 PM
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Mine is out in the open and worked fine for 2 years until it got completely submerged in a creek crossing. Some WD40 down the throats kept it alive for another year and a half until it finally died and was replaced. Beginning symptoms were similar with only one bellow working periodically.

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post #9 of 19 Old 05-02-2014, 12:26 AM
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Stebel Internals

Not sure if the propellers are bad or what, but here are some pics of the internals.

Stebel Nautilus Horns - gargling noise? no noise? - Page 2 - Team-BHP

I'm not sure my compressor needs oiling or whether the trumpets can be blown out.
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post #10 of 19 Old 05-02-2014, 10:04 AM
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I spoke with a technician at Wolo Manufacturing regarding the model 419 that I have on my bike. It looks like, and possibly is, the exact same design as the Stebel Nautilus Air Horn.

He said that the problem of the horn failing to sound properly is due to the diaphrams becoming clogged with dirt and debris. The diaphram(s) are under the round plastic discs that fit loosely on each side of the model 419. To clean the diaphrams, pop of each of these discs(I assume you can use your hand) and use an air hose with blower attachment to blow in to the small holes located there. Might want to sound the horn with these plastic caps off while tapping on the side of the horn with a rubber mallet.

The other thing he recommended was to tap on the clogged sound chamber(s) with a rubber mallet while sounding the horn to help break free the dirt and hopefully blow it out of the sound openings. You should actually try this method first before trying the remove the diaphram caps method.

Do not spray any kind of cleaner or lubricant into any part of the horn. It is not needed and may only clog it worse.

If you ride in dirt more often, the 419 will clog more quickly, particularly if it exposed. Amazon.com sells the model 419 and a new motorcyle horn, the model 619, more cheaply than they can be bought on the Wolo website. These horns are said to have been re-designed to deal with this problem, but I don't see much difference in the pictures of the 419. However, the diaphram openings of the 619 are on the side and look much different. The 619 is said to be louder, also. It might be less apt to clog than the 419, but I'm not sure.

Don't bother trying to get a replacement from Wolo if the horn is more than 90 days old. They won't do it.
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