Suicidl

What should the voltage be at the battery while the bike is running?

Idle and giving it gas

GixxerJamie

14.2 ~15.2 volts load depending, headlights on/off idle/off idle

ToKwik

What he said^^^^^

Battery voltage is 12 volts.
Above that is your charging system.

Lowest I would like to see is about 13.5 at idle. ( Which is a little weak)
Highest I would like to see would be 14.5 ( beyond that you are getting into overcharging issues.)

What problem are you dealing with?

Towlieee

you'll be lucky to see perfect voltage, unless your on a brand new bike with a brand new battery

especially since most bikes don't produce much charge, if any at idle. Especially if you run your fan on all the time with your headlights...


my f4i runs around 13-13.2v at idle with the fan not on, it drops a little lower with the fan on.. At around 4-5 grand it gives me around 13.9-14.1 or so, fan on it drops it down to around 13.6ish

If your battery is low though, and doesn't have much of a charge, your charging system wont show near as high of voltage.. So to really check, you need a battery that's good and charged up

StrictlyStunt

14ish

Suicidl

Just changed the rectifier and it's getting anywhere between 13.8- 14.3 at the battery.

When it would get hot the battery would die and I would have to push start it. I don't think it's the stator because of the reding I am getting after changing the rec. We will see tomm

StrictlyStunt

Something is up with my f4i as well. Every time i ride i end up pop starting it somewhere along the line. Usually when it gets hot

Suicidl

Mine died 3 times in Brooklyn before we ever got to the meet up spot for Hollywood's ride. Talk about a shitty felling breaking down in the hood where you have no idea where you are. LOL

StrictlyStunt

hope you were wearing neutral gang colors

Suicidl

Yeah I was the only white guy lol

StrictlyStunt

eh old white guys seldom get jumped up there

jebova2301

my bike used to do that same **** all the time. then it suddenly stopped doing that out of nowhere. the only thing i did that may have fixed it was fix a short in my headlights.

Suicidl

Yep halfway through the ride in NY it was starting fine again. Things that make you go hmmmm

Towlieee

it could be a million different things


but when it did die on you and had to be push started, was it after a lot of low rpm driving, and lots of fan usage + headlights?

If so, it might be a combination of a battery going out and not holding much of a charge, and a charging system not providing much of a charge......

but who knows, could be a lot of different things.....

ballinhard

14.25 and and above