z120 headlight burns out

[hansenmac]

my 2000 z120 burns out headlights and tailights. ordered a stock replacement bulb and it worked for a few hours in the headlight and the taillight worked for a minute. checked with the multimeter and it was puting out over 50 volts ac. anyone know if thats normal.

 

[arcticridr]

my 2000 z120 burns out headlights and tailights. ordered a stock replacement bulb and it worked for a few hours in the headlight and the taillight worked for a minute. checked with the multimeter and it was puting out over 50 volts ac. anyone know if thats normal.

No it's got a bad voltage regulator! somewhere on that sled is a voltage regulator usually Max voltage is 14 -14 1/2 at 50 volts I'm surprised the headlight doesn't flash bulb as soon as you start it, you said 50 volts ac what's the DC output at the bulb?

 

[arcticridr]

The 2000 model may not have a regulator check all your grounds and under the seat for rubbed wires , you can wire in a regulator yellow & brown wires on the right side under the hood a 4 flat trailer plug can be modified , all that reg does is capture the excess voltage kinda like a capacitor , can't tell you why all of a sudden could be a bad ground or
something goofy in the stator . Had a street bike that broke a ground wire flashbullbed every light I had on at the time and the ones I turned on so I could see ?

 

[arcticridr]

Here is a link to an old post in another forum tells how to wire it in but never really gives a cause

2000 Z120 Electrical Problem

Just bought a 2000 Z120 for my kids. I noticed the bulbs were burned out. Replaced the bulbs and they blew within minutes. Does any one have any ideas?

www.arcticchat.com

 

[hansenmac]

thanks i found that article today, i couldnt find a regulator, then i read that the 2000 model didnt have one. i guess it only bothers when you fiddle with the governor and make more rpm. i guess i'll wire a regulator in and that should do the trick.. thanks for the replies.

 

[hansenmac]

put in a voltage regulator and i had 12 volts AC at idle then when revved it dropped to 5 volts AC. took it for a ride and it was laboring at high rpm like it wasnt getting enough power for spark. unhooked the regulator and then she ran good again. i guess no lights for the 120.