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General Category => General Discussion => Topic started by: dilligaf on January 13, 2015, 08:05:26 PM

Title: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 13, 2015, 08:05:26 PM
I seldom ever blow my motorcycle or car horns so I have no idea how long the horn has been broken.  The first indication I had a problem was when I pushed the wrong button and the horn attempted to blow.  It went eeeeee once and hasn't been heard from since.  That was last summer and yesterday I decided to repair it. 
I ran some test and I'm sure it's the horn.  I have the horn from the K75S that I hit the deer with four years ago.  Not sure it works as I never blew that horn either.
Question.  Will a BMW horn work on my SP?  They look exactly alike.  Do you think anyone will notice that the horn is blowing in German.
Thanks,  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: lucian on January 13, 2015, 08:12:49 PM
Oh deer.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: oldbike54 on January 13, 2015, 08:43:43 PM
Sure it will work , just don't tell Chuckie  ;D

  Dusty
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Kiwi_Roy on January 13, 2015, 09:08:50 PM
If you never use your horn you will never know.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: rbm on January 13, 2015, 09:56:35 PM
I replace the two "corna patetici" on my V7 with great honkin' BMW horns from a K100.  They worked perfectly.  Make sure that the SP has a horn relay with 20A contact ratings.  If not, there are special DPST Fiamm relays available (one contact to each horn) for dual horn setups.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 13, 2015, 10:07:53 PM
I replace the two "corna patetici" on my V7 with great honkin' BMW horns from a K100.  They worked perfectly.  Make sure that the SP has a horn relay with 20A contact ratings.  If not, there are special DPST Fiamm relays available (one contact to each horn) for dual horn setups.

Should I use a relay made in Germany or will any 20A relay work?
Thanks,  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Arizona Wayne on January 13, 2015, 10:12:16 PM
I put a Harley horn on my Suzuki and it worked just fine.  ;-T
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 13, 2015, 10:13:14 PM
That's because they are both made in Japan.  ;D  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: LongRanger on January 13, 2015, 10:16:00 PM
I put the horn from a Triumph Spitfire into my VW Rabbit. Was that wrong?
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: oldbike54 on January 13, 2015, 10:22:58 PM
I put the horn from a Triumph Spitfire into my VW Rabbit. Was that wrong?


Did it make the electricity run backwards Eric ? :D
 
 Dusty
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: LongRanger on January 13, 2015, 10:48:48 PM
Nope, negative ground all around, but years later I felt unusually guilty about circumcising that lovely little Spitfire. Some things just aren't meant to be, I guess.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Chuck in Indiana on January 14, 2015, 05:58:48 AM
Quote
Will a BMW horn work on my SP?

Well, yeah, but it will add a second to your quarter mile time, and it'll handle bad.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: drlapo on January 14, 2015, 08:24:30 AM
the bmw will not be as melodious as the MG horn; it will  shout ACHTUNG instead of pardon me
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 14, 2015, 02:03:24 PM
That's what I was afraid of.  Horns tend to piss people off, or they do me, and that the last thing I want on a motorcycle.  So I had better stick with "pardon me".  ;D The truth is that when I want to blow the horn I can't remember where the button is and by the time I find it I've forgotten why I wanted to blow the dam thing. :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: drlapo on January 14, 2015, 02:08:27 PM
just kidding, the horn on my R80 is no more annoying than the twin horns on my V7
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: mgfan on January 14, 2015, 02:27:00 PM
Horn must stick out straight sideways!   :BEER:
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Mike Tashjian on January 14, 2015, 03:55:44 PM
I have a low note Buick horn.  Whenever I use it I just look around like someone else is blowing it, in the confusion I just drive off.  Mike
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Kiwi_Roy on January 14, 2015, 07:15:04 PM
The truth is that when I want to blow the horn I can't remember where the button is 

Grating the starter works as well, don't ask me how I know.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 14, 2015, 09:18:27 PM
That's how I discovered my horn was broken.  ;D  I was trying to start the motorcycle.  ::)  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Monza-jockey on January 15, 2015, 12:51:29 AM
If it went "eeeeee" the tuning set screw is probably not in the right position.

Put in some ear plugs and bench test it with 12V, adjust the set screw for maximum annoyance and Loctite it in place....Presto!
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: Tom on January 15, 2015, 01:10:55 AM
Put a bicycle bell on.  You ought to see the reactions you get in heavy traffic.  ;D
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 15, 2015, 06:43:01 AM
If it went "eeeeee" the tuning set screw is probably not in the right position.

Tuning set screw?  ;D Really!!!!  ;D  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: frans belgium on January 15, 2015, 11:47:18 AM
the bmw will not be as melodious as the MG horn; it will  shout ACHTUNG instead of pardon me

 ;D
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: oldbike54 on January 15, 2015, 11:55:21 AM
The German horn will not "talk" with its hands  :D

  Dusty
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: cloudbase on January 15, 2015, 02:18:40 PM
It's time to go big.

(http://ep.yimg.com/ay/yhst-11161747262114/12v-musical-5-trumpets-tuned-music-la-cucarcha-air-horn-w-compressor-hose-4.jpg)

It plays "la cucaracha."
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: normzone on January 16, 2015, 12:24:12 AM
Grating the starter works as well, don't ask me how I know.

I think most of us know the reason...

I put a seventies Cadillac D note horn on my Eldo. It was nice.
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: dilligaf on January 16, 2015, 07:22:35 AM
Not sure, from a value received point of view,  fixing the horn is worth the effort. We did away with "inspections" years ago so I have no need for a horn.  Anyway, Monday morning, noon at the latest, I'll get right on it.  ;D  :BEER:
Matt
Title: Re: Horn on SP will not blow. Will horn from BMW work.
Post by: rodekyll on January 16, 2015, 01:50:26 PM
Teutonic

two-tone-ic

toot-on-it

Nope.  Won't fit.  Either that or it loses something in the translation.


(apologies for the negativity)


(no apologies for the quality of humor)