voltage

Hello everyone, I was wondering if anyone would be able to help me. I have a honda CG 125 2008 and I am having a problem with the electrics. The problem is as follows: - Battery charge: 12.9 v - Turn key on: Battery begins to loose voltage at a very fast rate, roughly 1v every 1s. - Key off...

I'm working on lights for a 97 suzuki intruder 800. I know that the power to the lights can fluctuate between 11 and 14 volts, but is that going to be a constant fluctuation or just voltages that it may be at, at times? Thanks

I recently bought 1981 850GSgl and all the electric works when I wire the hot fuse side to the neg. fuse side. The electric start does not work. I looked at the voltage regulator and one of the wires was melted at the connection point. The red (hot) wire had power but I don't know if this is the...