Go for Electrex! Its best i have seen... much better than stock.
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| rectifier/voltage regulator http://ducatipaso.org/forum/viewtopic.php?f=1&t=2792 |
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| Author: | 21783mike [ Wed Oct 08, 2008 4:05 am ] |
| Post subject: | rectifier/voltage regulator |
I need another rectifier/voltage regulator for my 87 750 Paso, it seems she is overcharging a bit. Thanks, |
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| Author: | Finnpaso [ Wed Oct 08, 2008 4:42 am ] |
| Post subject: | Re: rectifier/voltage regulator |
Go for Electrex! Its best i have seen... much better than stock.
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| Author: | persempre907 [ Sat Oct 11, 2008 6:53 am ] |
| Post subject: | Re: rectifier/voltage regulator |
I also fitted it, no problem since. You can buy it online (electrexworld), it costs less than the stock one, but you need to do some modification on the electrics to fit it. Ciao |
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| Author: | jcslocum [ Sun Oct 12, 2008 12:20 am ] |
| Post subject: | Re: rectifier/voltage regulator |
The wiring is crap on the Paso. You must first check all the grounds and clean them very well. There is a thread in the 750 FAQ discussing this. The overcharging can be because of the wiring flaws casuing the RR to see a low voltage at the battery. It's not low but it over charges anyway. |
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| Author: | paso750 [ Fri Oct 17, 2008 8:41 am ] |
| Post subject: | Re: rectifier/voltage regulator |
going through a catalogue I found another regulator/rectifier for Ducati. I`ve seen the chinese brand Shin Yo before but mainly for motorcycle batteries or bike accessories, didn`t know they also build regulators. Here`re the instructions: http://www.box.net/shared/qbf2huusee as a part from China it shouldn`t be that expensive if one can find it somewhere. |
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| Author: | desmodave [ Fri Oct 17, 2008 9:32 am ] |
| Post subject: | Re: rectifier/voltage regulator |
I also changed but still got flat batteries becauase they sent out wrong diagrams for the wiring connections you have to try opposite way round according to which phase alternator you have, so try it! (if you still get flats) Ive run mine like this, I believe they sent out new diagrams and im sure its in the faq somewhere on this site. ok desmodave.....p.s you might lose your side stand light too when fitting the new reg. |
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| Author: | 21783mike [ Wed Oct 22, 2008 1:49 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
Did the wiring upgrade and now with less drain on the system it is really overcharging. It'll peg the meter which goes to 16V at anything much over 5,500 rpm. I was hoping to find a NOS or good used stock unit here to maintain somewhat original.... but no replies since this is no longer in the right place for some reason???? I'll repost in the right place and see, otherwise I guess I'll get the Electrex unit since I've already made some alterations to the stock wiring already. |
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| Author: | Finnpaso [ Wed Oct 22, 2008 6:47 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
16V is totally too much!!! 
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| Author: | persempre907 [ Wed Oct 22, 2008 9:30 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
So it can be damaged also the other electric and electronic components. You have to replace it immediately. Ciao |
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| Author: | Desmo_Demon [ Fri Oct 24, 2008 4:44 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
Just as a "double-check".....how good are the batteries in your multimeter? The reason I ask is that I once changed the regulator on my Harley because the meter was reading over 17 volts when I installed a new battery. Even with a new regulator, it was reading the same thing, but I decided to ride the bike since I was 1500 miles from home. I found out later that my battery in the multimeter was almost dead and was giving me a faulty reading.....I know have over 30k miles on that regulator. 
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| Author: | paso750 [ Fri Oct 24, 2008 6:02 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
isn`t the battery in the multimeter just required to measure resistance, not voltage ? (Talking about an analog meter not a digital  )However, this thread proves that the regulator should be checked before doing the wiring mod. Doing the wiring mod with a faulty regulator could create additional damage. G. |
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| Author: | Finnpaso [ Fri Oct 24, 2008 7:36 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
ONLY way to check battery condition, is to use it with some "hard load" and same time measure voltage drop !!!! Bad battery can have good "voltage" if NOT use of current, but that voltage can drop dramatically immediatelly, whet start to take current from battery !!! There are some quite cheap mesurement devices to this purpose, but U can do such measurement in close "car battery shop" very cheaply, maybe no need to pay anything to test Your battery condition at all..... I give advice: buy some FLUKE multimeter to have good/accurate measurements... i know, i am elecrician... 
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| Author: | Desmo_Demon [ Sat Oct 25, 2008 4:06 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
| Author: | Finnpaso [ Sat Oct 25, 2008 5:42 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
In "my" company (www.gasum.fi) we use ONLY GOOD meters, like Fluke is and there is no any problem to borrow such to home from workplace, if needeed... We have plenty of them there. I have in my own use 3 modells...
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| Author: | Mc tool [ Wed Oct 29, 2008 8:23 pm ] |
| Post subject: | Re: rectifier/voltage regulator |
Fluke meters ? wouldnt use anything else My paso is using a jap RR , I think its off a suzuki ( not sure ) , But whilst lookig for a replacement for the SS(97 . 900 ) I wound up getting an after market thing that is now apparently fitted as standard to some ducati's and honda's , and I noted that they also did one that would have suited the paso ( shin.. something ), cost about 100 euro and works fine |
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