The upgrade fix >> no more charging/regulator/rectifier problems - Page 3 - Ducati.ms - The Ultimate Ducati Forum
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post #21 of 91 (permalink) Old Nov 5th, 2010, 12:00 pm Thread Starter
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Thanks stlemans I feel reassured.

Now lets hope there's some more info to come regarding specs on other Ducati model regulator rectifiers and whether Ducati are using mosfets across the range these days.
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post #22 of 91 (permalink) Old Nov 7th, 2010, 7:46 pm
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Originally Posted by DropLock View Post
crozzer-
greenmonster-
I'm not sure why you see this as disturbing, if Ducati are now using MOSFETs it's probably a good thing. My original post of this article was as a suggested remedy for older Ducatis like mine which suffer from meltdown primarily due to inappropriately rated wire gauge and poor connectors exacerbated by insufficient air flow to help dissipate heat.

It may well be that Ducati have been using MOSFET units for some time now, I don't know. I don't even think that there were necessarily models post 1999 using SCR units which had a propensity for meltdown.
I agree.
And I don`t mean to degrade your research, most grateful.
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post #23 of 91 (permalink) Old Nov 9th, 2010, 4:13 am Thread Starter
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greenmonster - No problems, I didn't take it that way at all and you're welcome. :-)
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post #24 of 91 (permalink) Old Nov 9th, 2010, 9:24 am
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I talked to my dealer today.
Not a bad idea, is like checking tha manual sometimes..... :-)

They nowadays sells 2 Shindengen units:
1 w 3 yellow wires & 1 w 2.
If I got it right on the 2 wire one:
Shindengen no SH579B
Duc sp part no 5404111C
130 Eu f that, 115 f 3wire.
2wire came in 2 versions: SS/M & 916/748, wiring differ.
No possibility f warning light on both IIIRC.
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post #25 of 91 (permalink) Old Nov 9th, 2010, 10:49 am Thread Starter
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Going by that coding I'd hazard those R/R's are SCR type units, not MOSFETS.....

Yep, just checked it at shindengen website and the "SH" I think refers to "shunt". There are both "shunt" and "series" type SCR reg/recs which are bacically the "older" technology.......... and then there's the MOSFETS which if from shindengen should be FH***
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post #26 of 91 (permalink) Old Nov 10th, 2010, 5:23 pm
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Mailed my father, old car electrics mech, this thread.
This mod should work.

3 things he said:
1. This construction shuts charging down when all is getting the juice they need.
= no heat & magneto field down- little bit more power (less restricting crank rotation).
2. 2 leads mean more harmonic distortion than 3, unsure what it could disturb.
3. He asked why
http://www.shindengen.com/resources/...012%20Data.pdf
had the fuse on + to battery instead of the loaded stuff?
I dunno, had no idea these reg/recs where so complicated.
Anyone?
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post #27 of 91 (permalink) Old Nov 24th, 2010, 12:51 pm
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Quote:
Originally Posted by greenmonster View Post
I talked to my dealer today.
Not a bad idea, is like checking tha manual sometimes..... :-)

They nowadays sells 2 Shindengen units:
1 w 3 yellow wires & 1 w 2.
If I got it right on the 2 wire one:
Shindengen no SH579B
Duc sp part no 5404111C
130 Eu f that, 115 f 3wire.
2wire came in 2 versions: SS/M & 916/748, wiring differ.
No possibility f warning light on both IIIRC.
Yes Ducati has a Kit for 300 bucks and it is the SH579B.
Seems to be the old setup with larger guage wires.
So upgrade for 300 - not so much.

Saw this kit for the FHO12aa....150 bucks shipped
http://roadstercycle.com/Shindengen%...rade%20kit.htm

I'm ordered it. Will be putting it on a 97 916 single phase with melted wires and connectors.
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post #28 of 91 (permalink) Old Nov 25th, 2010, 1:11 am
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Quote:
Originally Posted by TTSSZ View Post
Yes Ducati has a Kit for 300 bucks and it is the SH579B.
Seems to be the old setup with larger guage wires.
So upgrade for 300 - not so much.

Saw this kit for the FHO12aa....150 bucks shipped
http://roadstercycle.com/Shindengen%...rade%20kit.htm

I'm ordered it. Will be putting it on a 97 916 single phase with melted wires and connectors.
I think I may pick up one of those kits to keep as a spare.

Thanks,

Tom

1985 LeMans
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www.motogiro.com

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post #29 of 91 (permalink) Old Nov 25th, 2010, 4:17 am
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I think I may pick up one of those kits to keep as a spare.

Thanks,

Tom
I'm thinking the same

ONCE YOU'VE HAD ASIAN, YOU WILL NEVER TOUCH CAUCASIAN
OLD AGE AND TREACHERY WILL ALWAYS OVERCOME YOUTH AND ENTHUSIASM
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post #30 of 91 (permalink) Old Nov 26th, 2010, 8:02 pm
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Thumbs up Will do upgrade

I havent got any 110 % anwers to my maybe not so knowlegdeble questions
but I will go w the Shindengen FHO1200A on my 1phase 1991 907IE.
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