stator

New Owner of an old 1980 XS400. Brought her home and I couldn't help but start troubleshooting before work. I replaced the spark plugs, gave it a kick-start but no dice. Pulled the spark plugs and tested the spark. No spark. I'm assuming it's a either the battery, the regulator rectifier, or...

1981/82 XS400 SOC special. Canadian version Does my Alternator/stator need to be magnetic.???????? I tore down my motor a few moth ago. Waiting on parts to get ordered. Finally got enough parts in to start rebuilding my engine. When I replaced my stator parts I noticed that it was not...

My battery stays at 12.5v for good while when riding and then stops charging randomly leaving me stranded. The stator is good and has new wires. I am using a Rick's reg/rec for lithium-ion batteries and an Antigravity 4 cell. I thought the battery was bad so I bought a new one but it does the...

Hi Guys, I need to pick the brains of anyone good with the start and end points of charging system on the XS. Mine is a 1981 400SE UK model. I’m very comfortable working with 12V DC Vehicle electrics so am rewiring this bike from scratch. I’m just previously used to four wheel charging systems...

Hello all, In my pursuit to figure out my charging issue I'm noticing I have four yellow wires coming from my stator, that hooks to a male connector with three yellow wires that continues into the loom. Everything I've read, I'm only seeing that there should be THREE yellow wires coming from the...

Heylo. The skinny: I built a cafe racer, eitrd from scratch, burnt out two batteries. I have a combo reg/rec purchased from Ricks. My bike is a 1981 xs400 heritage special. My R.R has 3 white wires, which I ran to the white wires on the R.R, 1 green to the magnet? A brown wire that...

I own an SOHC XS400 as of today ! when wired to a new battery this thing runs beautifully but it wont charge the old battery. Thus I figured that I would try to replace the Regulator and Rectifier (which were cheap on ebay) and then replace the stator/alternator. However, this bike has a weird...

Hey Guys, I'm new here and hoping the hive mind can help me out. I'm the proud new owner of a '81 XS400 custom hardtail bobber. I bought it off the builder and he said there was a charging issue, which he believed was due to a blown reg/rec, he suggested a solid state all in one unit, gave me...

I can fix engines, I can fab parts, I can build tools.......but electrical stuff is not my strong suit. Anything more than just basic wiring or similar is beyond my area of expertise so I'm hoping to enlist some help from the more experienced people on here. I'm working on building a Cafe...

Hey guys... Really need some help trying to sort out my '79 XS400. I've had some major issues along the way since day one with this machine and I'm close to calling it quites. If I don't soon my wife is going to force it!!! Background: I bought a 1979 Yamaha XS400 with 18000 kms on it. Has...

Hey guys, I'm looking for a stator for a 1979 XS400. Maybe you have one on an old parts bike. These things rarely fail, but mine apparently has. Tired of waiting for one to pop up on Ebay! It should have 3 white wires and 1 yellow wire coming off of it. The early 80's XS400 had only 3 wires...

Hi guys - I'm currently working through the charging system on my 1979 xs400 in search of at least one gremlin. I can get the bike to start, but it won't run for more than a minute before it eats up its own juice and dies. I determined that the stator was shorting out thanks to some awesome...

Hey Everybody! I was just wondering if it's possible to run a 1981 XS400 without the battery and all other associated components (ignition coil, etc). If my understanding is correct, theoretically, it should be possible to run the blinkers, headlight, and taillight without the battery because...

I just finished upgrading my bike to a pma charging system, and since it went so well I figured I'd write up a guide for it to give back a little to the community. The fragmentary information from the thread we have on this forum isn't really of much help. This isn't a difficult project, but it...

So I am in the process of updating my bike to a pma charging system, and when removing the stator from the crankshaft I noticed that it is much heavier than the flywheel I plan to put on. My memory thinks it must have been at least twice as heavy. Does anybody have any experience or guesses on...

Hey, just got my stator rewound by the guys over at Custom Rewind, looks like a very professional job and the guys were really helpful and quick with the job. All in all the charge came to 100$. The custom rewind guy's seperated my stator and field coil too which didn't seem like that big...

So about a week ago I was having trouble with my charging system not getting any power (whatsoever) to my battery. I checked the continuity on all of my white stator wires and found that one wire wasn't getting continuity with the other two. I took off the left side/sprocket cover off and found...

Hi all. New to the forum here. I recently bought a 1980 xs400g and the stator and the starter motor are both shot. Also, when I took off the stator cover (the inner larger one, not little outer circular one), the gasket broke and now it's leaking oil. Can anyone help me identify which parts...

I have two stators that belong to 81 xs400's. I'm not positive if they are good or not? I tested them on the 200 ohms setting and both stators had readings of 1.2 on all 3 white wires. Are these stators still good? I know the the manual specs say they should read at .75ohms +\- 10% Any help...

hi everyone, been reading this forum a lot in the past few months hoping to catch a clue as to what exactly my electrical problem is... no such luck for me. so I thought I might try and get a few personal responses? first things first... I have no spark. and its honestly puzzling me, because I...