| Author | Message | ||
     Buellish |
Some of you may remember that last fall I did Loren's charging system mod to my '95 S2.I road it for a couple of weeks with no problem. The Weekend of Buelltoberfest I road up to Suches and on the way my LED volt meter started showing an overcharge. Sunday I took the S2 to a friend's shop.The plan was for him to correct a problem with first gear the bike had when I bought it.I mentioned the over charge and asked him to look into it as well. I went to South Georgia the next day,was gone around six weeks and came home to the news that my stator and rotor had self destructed. When I installed the XB stator and my original rotor,I didn't use modeling clay to check the clearance between them as Loren recommended in his write up.Like a fool,I assumed that the S3 and S2 would be the same and I would have no problem with clearance.I spun the rotor a few times and didn't feel or hear any contact so I buttoned it up. The stator had a plastic wire retention piece and plastic on the ends of the poles.All the plastic was broken,the wires were broken and the magnets on the rotor were trashed as well. My friend couldn't find anything wrong with my installation. Everything was done by the book,so we had to assume there wasn't enough clearance between the two parts.He installed a new rotor, stator and spaced the rotor out .020 for clearance. When he cranked the bike up it was still over charging,up to 18 volts just like before. I've gone through two more new voltage regulators with the same result.It keeps overcharging.I used an XB wiring diagram to make sure it's wired correctly.I have redundant grounds and a new battery. I'm at my wits end.I don't know what to do.I'm ready to put the stock S2 charging system back on. If anyone has any ideas,I would apreciate it. | ||
| Gowindward |
Michael, sorry to hear of the trouble! Shooting from the hip here, but could it be the insufficient grounding of the VR? The VR has to have a really good ground to dump the excess voltage produced if IIRC. | ||
| Buellish |
Loren,I have the internal regulator ground,the original heavy S2 ground and today I ran another ground from the regulator to the frame.No luck. | ||
| Gowindward |
I would go back and do the continuity test to ground on the stator conductors. Good would be no continuity to ground. Then check AC voltage output on the stator. If those pass then I would still be looking at the VR. I had a faulty VR when I did my install.....drove me nuts thinking I had done something wrong. | ||
| Midnight_rider |
What did you find out? | ||
| Buellish |
I beefed up my ground.Went from the internal harness ground with 10 gauge wire to a frame lug and from there to the battery.Same result. I haven't had time to get back on it. | ||
| 93jrh |
Overcharging can also be the result of bad wiring connections.ck all related to charging system. | ||
| Buellish |
Well,I have continuity from the stator and through the harness connector.I've checked all the connections and they are good. I just can't keep buying voltage regulators. The dealership won't do a return on an electrical component unless they install it. In my case they would say "it's not designed for this application".And wouldn't do a return. | ||
| Gowindward |
"Well,I have continuity from the stator and through the harness connector." To ground? That would not be good! | ||
| Buellish |
Loren,I don't know much about using a multimeter. I switched the meter to ohm's,put the positive probe to each of the three stator wires,the ground probe to a bare spot on the frame and got readings of .8,.9 and 1.0. (Message edited by buellish on January 19, 2011) (Message edited by buellish on January 19, 2011) | ||
| Gowindward |
There should be no continuity to ground. (Infinite ohms). If you are seeing continuity to ground then the stator is shorted out to ground giving you that connection/continuity. Did you check AC voltage output from the stator? Procedure would be in the service manual. |
