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Glad you are up and running! :thumbsup: :cheers: :bike: - :bike:

Awesome, This means your stator and field coil is working! I am not sure on your bike if the regulator controls the ground or positive to the field coil. But looks like your making headway. On my bike the reg. controls ground side. I may be wrong but I thought 1979 was positive controlled, but...

will how I tested my field coil was put voltmeter on dc volts and connected to battery. I used good charged battery and started the bike, with bike running I unplugged the connecter to field coil gave it power and ground straight from battery, on my bike 1981 sx400 I did power to green wire...

Hi all, little off the point for this forum but was wondering if anyone knows about this regulator? (Accel 201430 Chrome Motorcycle Voltage Regulator for Yamaha XS400/500/650)

Hi all will I am up and running now. the voltage is fluctuating more than i would like to see. When I first got the r296 wired in and grounded, I held rpm between 3 and 4 thou the volts continued to climb to about 15.5 V. and held there little high but better than 16 plus like before. After...

Hey Drew, so I made it to o'reilly and they didnt show that exactly same part number but they say it crosses over, same thing, its a BWD SELECT part # R296 um it looks the same, guess I will go try it :bike:

oh yea if i cant find that reg. today is there another that will work from napa or o'reilly? and is there a wiring diag. for the new reg? :bike:

Hi Drew No hard feelings at all LOL! :shrug: It was my bad for not reading all your post. after my testing I figured it was going to be someting like this. I really thank you and all who responed to my post and going to call around to see if i can find dif. reg :thumbsup: ty,

oh by the way My bike is a 1981 xs400g

ok now I am over charging @ 3000 rpm voltage keeps climbing and @ 16 volts I went back to idle volts drop to around 13.4 I wired in the r292 reg the way drew show in his write up and it dont charge @ all not grounding field coil and if I try to ground with the connector pluged in is like...

maybe relay

hey didnt mind @ all that you hijacked my thread lol sounds like we have close to the same problem going on and the more input the better. I think i am getting little closer to an anwser, will good luck and if i come up with something i will let you know... :bike:

Hi all update on charging sys. So checking the field coil green wire and black wire @ connector they both show positive battery volts, dont sound right. so i unplug the connector bike running, with power probe put power positive to the green wire to coil and ground the black wire and bike starts...

Rewired stator today, still no A/C voltage :mad: wondering what I am missing, hmmm, is there something magnetic with the stator or coil, or not on this style charging system? Just asking cause when I was in there didnt seem like anything was magnetized. ohm readings are pretty good (coil 4.0...

Hi all, so drewcifer I have stator and coil out of the bike and was looking at your post where you cleaned and rewired the stator did you rewire coil also, guess thats what it's called mine has a green wire and a black wire that look in about the same shape as the three white wires. Is there any...

Sorry didn't get back to you, I may not get to check the bike tell saturday. been busy with work. but thanks for the info and I will let you know what I find. I was going to check a/c voltage from stator and then maybe pull the stator cover and insp. So is there a chance it will need rewound or...

thanks for the info. as soon as i get a chance I will check for a/c voltage @ white wires. Just so I am clear thats with connector from stator unpluged and meter to groung is there a spec. of how much a/c voltage? thanks, :bike:

first off sorry I know there is lots on this subject already :( So here is what i got, 1982 yamaha xs400 ohm checked stator three white wires (engine cold) 1.1 ohms all wires (little off book says .75 ohms plus or minus 10%) next test book says field windings two green wires but my wires dif...

Hi all, thanks for all the info. I bought a 1982 yamaha xs400 @ a g-sale last summer (250.00) Runs great, will um when it runs, but right now it has the no charging bug going on. So I need to figure that out first, then the lights. thanks again :)

I needed to no more about led lights for my 1982 400. Do they make a complete kit for all bulbs including headlight? also do they make led bulbs to fit old socket? thanks, :bike: