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Stebel Nautilus Compact Air Horn (12v, 139db)

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    Stebel Nautilus Compact Air Horn (12v, 139db)

    The Stebel dual-tone air horn is one of the greatest upgrades to any motorcycle as far as we're concerned. The stebel motorcycle horn is loud enough to convince other drivers that there's a derailed freight train barreling down on them. Don't press the horn button in the garage, it hurts! At 139dB it can be heard for almost 3 city blocks! YEEEOOOWWW!

    Includes a single M8 mounting bolt and nut, as well as a relay for providing a direct, high current attachment to the motorcycle's battery.

    No wires, fuses, or bike-specific mounting brackets are included but there is a plug-and-play wiring kit available as a separate product!

    Keep this in mind: sound energy doubles for every 3 points you go up in the decibel scale. It means that the Stebel Nautilus horn, which produces 139 dB of sound, puts out a LOT more sound than these popular horns: - 800% of the sound energy of the more expensive 130dB FIAMM Freeway Blaster; - 600% louder than the $140, 130 dB Pro Pad Mini Beast horn; - 650% louder than the $179, 128dB Rivco dual trumpet horn.

    You will not be dissapointed - just make sure you wire the included relay properly, as replacement horns used without a relay don't get enough electrical current to be fully effective.

    Technical specifications:

    • Sound Output: 139 dB

    • Operating Voltage: 12 Volts

    • Absorbed Current: less than 18A

    • Fundamental Frequency: 530 Hz & 680 Hz

    • Weight: 0.6 kg (1.3 lbs)

    • Dimensions: Approximately 4.8"x4.5"x3"

    • Reaction time: less than 90 milli-seconds

     

    In addition to this horn & relay, you'll need to pick up the following items from Auto Zone/Pep Boys/Radio Shack to complete installation:

    MATERIALS (not included with horn):

    - 14 to 16 gauge wire, 10 ft - 20 ft length (more than enough)

    - 2 splice-in wire connectors (blue plastic variety)

    - 6 female blade-style quick disconnects (Radio Shack 64-3049)

    - 3 ring connectors for attachment to battery terminals

    - 1 in-line fuse holder with 30 amp automotive fuse - weather resistant electrical tape (or just use weather-sealed heat-shrink connectors)

     

    Also fits ATVs, scooters, cars, trucks, freight trains, airplanes, steamships, cotton gins, and any other vehicles equipped with 12-volt power.

    Per the manufacturer, this horn should be mounted so that the cylinder is vertical (with the horn facing down). There should be no more than a 15 degree variance from the vertical position. If it is not mounted per these specifications, then the horn may cease to function after a period of time.

    If you own a 2003-2005 Harley Davidson motorcycle and horn relays are repeatedly failing, please visit your local dealership to upgrade your horn button under the Harley recall.

    Installation on the Suzuki DL1000 V-Strom: To fabricate the mount shown on the Suzuki V-Strom pictured on this page, you'll need the following:

    - one 20mm x 100mm x 2mm strip of aluminum or steel (to fabricate bracket)

    - one metric M8 nylon locknut

    (1) Drill a 6.5mm diameter hole about 10mm from one end of the metal strip, and drill an 8.5mm hole about 10mm from the other end of the metal strip.

    (2) Place two 45-degree bends in the metal strip, each in opposite directions. The first bend should be about 20mm from the end of the metal strip with the 6.5mm dia. hole. The send bend should be 30mm further from the same end of the metal strip.

    (3) Bolt the 8.5mm hole end of the metal strip to the horn using the M8 locknut.

    (4) Bolt the 6.5mm-hole end to the bike using the stock radiator mount screw on the left side of the bike, facing the offset toward the center of the motorcycle.

     

    Installation on other bikes may vary! If you've documented how to install the horn on your bike, send us the photos & instructions, and we'll post them for everyone!

    Note: The horn model offered here is the Compact Stebel Nautilus model, which is produced in all black OR chrome with black trim. The Compact Nautilus is the smallest, loudest, most vibration-resistant model offered by Stebel, and is the most appropriate for use on motorcycles.

    The Original Stebel Nautilus is a significantly larger (but not louder) horn model that is produced by Stebel in black, red, or chrome-plated plastic. It is prone to damage from motorcycle vibration, and the chrome-plated plastic version has a poor finish that chips easily. For these reasons, we do not offer the Original Nautilus model.

    The below fit chart lists a few of the horn & bracket combinations that we've tested. With a little creativity, the horn can be mounted on almost any motorcycle, car, or truck!

    Confirmed fit list

    BMW
    • Beast 1050 (see photo of installation) 

    • K1200R (see installation tutorial)
    • R1200GS (use custom bracket made from strap steel)
    • F800GS (use custom bracket made from strap steel)
    • F650GS & F650GS/Dakar ( use a double L-bracket made of strap steel)

    Buell
    • Blast (see installation tutorial)

    Harley Davidson
    • Low-rider, '95 (see installation tutorial)
    • Soft-tail Springer Classic (see photos)

    Honda
    • CB250 Nighthawk (see installation tutorial)
    • CBR1100XX Blackbird (use TWT-00-013-001 2.5" L Bracket and see installation tutorial)
    • GL1100 Goldwing (Left side, under front fairing)
    • ST1100 (mount to radiator support inside right-side locking dash compartment)
    • ST1300 (mount to support inside right-side locking dash compartment)
    • VFR1200FA (mount under the front left fairing)
    • VT1100 Shadow Aero (mounts in original horn location)

    Kawasaki
    • Concourse 2009 See Installation Tutorial
    • KLR250 (see photo on right)
    • KLR650A, -'07 (use TWT-00-013-001 2.5" L Bracket)
    • KLR650E, '08- (use TWT.HMT.08.004.100 mount kit for the KLR650E)
    • Ninja 650R, '06 (see photo; requires drilling a small hole in a stiffener of the instrument cluster)
    • Versys (see photo on right)
    • Vulcan 1600 Classic, '05 (see photo)
    • W650

    Suzuki
    • AN400 Burgman (see photo of installation )
    • DL650 V-Strom (use HMT.05.821.10000 )
    • DL1000 V-Strom (use HMT.05.821.10000 )
    • GSF600 Bandit
    • GSF1200 Bandit
    • Intruder VL 1500
    • Intruder LC 1500
    • S40 Boulevard (see photo)
    • SV650, '03- (see photo) Alternately, can be placed in the right front fairing.

    Triumph
    • Bonneville (see photo)
    • Sprint ST 955i, -'04
    •Tiger 955i Victory
    •8 Ball
    •Vegas Jackpot

    Yamaha
    • FZ1, '01-'05
    • VMAX with L bracket behind the right hand side of the radiator.
    • V-Star 1100 Classic (mount between front frame downtubes)
    • V-Star 650 Classic/Silverado - mount on the factory engine guard
    • XV1700 Road Star Warrior, all years (mounts to original right-side horn mount using MHI.154 bracket with one additional hole drilled by installer. 2.5" L Bracket)

    • Product ID: 53174
    • Manufacturer:
      Stebel (learn more)
    • Manufacturer Part#: Stebel.11135
    • Type: Universal/Multi-Fit/Not Bike Specific Item
    • Condition: New, unless otherwise noted.
    • SoloMotoParts.com is an authorized Stebel dealer

    Learn more about Stebel

    Stebel, Italy, Europe
    Stebel was founded in the mid-1950's with a single purpose in mind: To create exclusive, high-powered and long lasting horns for the motorsports market. For over 50 years Stebel has made every effort to offer their customers beautiful, innovative Stebel horns that are easy to install, long-lasting and reliable. Stebel horns are very popular with many commuters and longe-range motorcycle riders that want to insure that they are heard by other motorists. A Stebel horn works well for clearing wild animals and livestock from the road as well.

    Shop Stebel Products

    Customer Reviews About This Item

    See all 3
      Fits BMW F800GS
      by Charles A. on 05/17/13
      Pros: The Stebel Nautilus Compact is a great horn. I had to replace my beep, beep horn which is pretty useless to a real horn. Unfortunately I had to use it recently when a speeding, lane changing, tail gating idiot decided to jump into my lane; I laid on my Stebel and he nearly crashed into the curb from avoiding what must have been a semi!!!! I hope I never need to use it again but it feels good to know that you will be heard if and when needed. Great product which does fit under the fairing in the stock location of the 2013 BMW F800GS. It is a little tight but it will fit. Used with the wiring harness which was helpful for the install.
      Cons: N/A
      Stebel Nautilus
      by Douglas P. on 08/15/13
      Pros: Instant Sound, Compact size allows ease of mounting. Loud and crisp Horn. Fast shipping from SoloMoto and the horn arrived with mounting hardware and a relay..

      I separated the compressor from the horn assembly, mounted the compressor under the left side access panel inside my factory tool box. Installed the horn into an aftermarket cowbell and mounted it between the cylinders of my VTX 1300 C on the left side.. Wiring was simple, now when I depress the factory horn button I get an INSTANT blast of an crisp, sharp air horn.. Great Product.
      Cons: None so far.
      LOUD!
      by Walter Buck B. on 10/23/13
      Pros: I love the Stebel air horn. I mounted it on my 08+ KLR650 using the optional mounting adapter for my bike. This thing is LOUD! No more pee wee factory horn that no one can hear. This baby rocks! A woman was pulling over into my lane, I honked my Stebel horn, and she freaked. She kept looking for the 18 wheeler that was blowing it's horn. LOL! Too funny.
      This is one of the best safety features that you can add to a motorcycle.
      Cons: LOUD! It will rock you off your bike! Be warned not to blow excessively because you could go deaf:)

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