11.5 V seems to be low to me. If the battery is fully charged I'd expect 12.5 Vdc.

Under the seat, towards the front there are two points for ground connections. Make sure everything is "clean" and "tight"

 

Yep... I've tried a different headset and different cable too. I've searched all over the bike for loose grounds and loose connections but found nothing.

After Bike Week, I guess I'll be bringing it in to the dealorship to see if they can find the source of the noise. I have the extended warrenty on the bike (which includes the CB radio).

Fingers crossed.

 

Make sure it is grounded with a meter..not just "looked" grounded....also check for wires (if you can identify them) they are isolated away from potentially other "noise" wires, another words shielding... Or it sounds like a resistor crapped out in the radio

 

Reef Rider,

I'm having the exact same problems with my '06. Checked everything like you have and still no resolution. A friend of mine is also having this same problem with his '06. There has to be a common problem here. If you find the solution, please share it with us.

Frustrated in Alabama.

 

Add me into the mix with my '06. I have been to the dealer with my extended warranty several times with no resolution. They have given up and basically told me to fix it myself.