voltage regulator

What voltage does your bike typically run at? (According to the dash) Mine often sits around 14.3 to 14.5 volts. I seem to go through headlight bulbs pretty quickly, and I thought 13.8V was more of the "standard" automotive level? Wondered if what I'm seeing is normal or if a regulator or...

Hey all, 09 DL-1000 with a sick speedometer. Only happens when the ambient temperature is hot. The needle fluctuates wildly with any transient in the bike voltage i.e. signal light, horn, shift low to high to low beam, etc.... When I come to a stop no the speedometer goes to it seems there...