Adding Or Upgrading Your Motorcycle Stereo

Upgrading or installing a motorcycle stereo takesthe area above the radio usually works best.
special considerations. Understanding what is involvedMounting it directly to the radio can cause additional
with the configuration and demands of your stereo isheat, excessive vibration, as well as extra stress on
the first step.the radio and it's mount.
When replacing factory components, a wiring harnessThe wiring of the amplifier is fairly straight forward.
adapter is always recommended. This will allow youThe connection from stereo to amplifier can be made
to put your stock components back in, and morewith a standard hi-lo converter installed. The ground
importantly it won't void your factory warranty.wire should be attached independent of any other
When harness adapters are not available, they canground wires (to neg. terminal on battery). The amps
easily be made."remote power on" wire can be attached to an
A simple speaker upgrade is generally more involvedaccessory wire in the fairing, make sure this power
than one would think. Most stock motorcycle stereosupply is switched to be off when the ignition is off.
systems operate at a different impedance level thanRunning the power wires will take the most time and
your common aftermarket speaker. Installing a paircare. The wires must be routed cleanly to the
of 4 ohm speakers in a system that requires 2 ohmsbattery with a fuse placed inline within 8 inches of
will do damage to your stock radio and/or your newthe pos. terminal on battery. The speaker wires are
speakers. Another thing to keep in mind whenattached in a standard fashion.
replacing speakers, is the available power to drive theThis brings us to the rear speakers. If your bike
speakers. Although it is possible to add largercame equipped with rear speaker it probably has a
speakers with the use of speaker adapters, yourfactory amplifier as well. This will make upgrading
factory radio may not have enough power to runeasy. Simply upgrade the amp and speakers with the
them. Lastly but equally important, when selectingfactory wiring. If you plan to add rear speakers there
your new speakers be certain they will be able toare several options. You could replace your bag lids
withstand the elements. A paper cone speaker willwith aftermarket speaker lids which have the
not last long when exposed to any water. For thisspeaker openings molded into them. The other option
reason, marine grade equipment is always preferred.is to place the speakers in the bags. This will work
The addition of an aftermarket head unit or receiverwell only if the bag is ported. We generally port them
will generally provide more power to your speakers,on the tire side of the bags.
provided your speaker impedance matches your newWhen installing rear speakers,adding an amplifier to
stereo. The major down side of replacing that stockpower your speakers will net you the best results, as
radio is that in most cases you will also lose the handthe stock head unit will not provide enough power to
control functions for the stereo.drive the rear speakers. All of the connections are
For these reasons, we have found that the bestsimilar to that of the front amp and speakers. If the
way to to achieve better sound quality and morehead unit is only a 2 channel system you will need to
volume with the least amount of headaches is withconnect the speakers to a hi-lo converter that will be
the addition of an aftermarket amplifier and upgradedattached to the stock front speaker wire. It is also
speakers. Using this configuration makes it easy topossible to add speakers and/or an amp to the rear
match your speaker impedance to your amp, retainstour pack. This is done in the same way as side bag
the use of your handlebar controls, keeps the stockspeakers.
appearance, as well as adding plenty of power forNow that we have covered the basic concept of the
larger speakers.stereo upgrade, it is important to mention the risks.
The installation of an amplifier consists of two keyPoor installation can cause damage to the bike's
steps, mounting and wiring. With very little room toelectrical system, damage to the stereo equipment,
spare inside a fairing, a small amplifier will be needed.and even damage to the bike it's self. With that in
Stay away from digital amplifiers, as they generallymind, if you are not extremely confident in your
provide more distortion than power. It is alsoability to get the installation done properly,
important that your bike's electrical system is able toprofessional installation is recommended. The money
provide the extra power that is needed.you will pay to have the job done right will be way
Fabricating a mount that holds the new amplifier inless than repairing a poor installation job.