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Author Topic: 68 Ducati 250 SSS minus an S  (Read 4746 times)

Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #30 on: Feb 12, 2018, 10:01:08 »



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Offline Texasstar

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68 Ducati 250 SSS minus an S
« Reply #31 on: Feb 12, 2018, 11:44:40 »
Wondering if Ducati used the same coil for both Ac/Dc to stay back in black?


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« Last Edit: Feb 12, 2018, 11:46:24 by Texasstar »
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
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Bultaco El Montadero 360

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Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #32 on: Feb 13, 2018, 12:27:12 »
First start Ducati 250 


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It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

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Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #33 on: Feb 17, 2018, 07:50:08 »



Sent from my iPhone using Tapatalk
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0

Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #34 on: Feb 17, 2018, 07:50:34 »



Sent from my iPhone using Tapatalk
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0

Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #35 on: Feb 17, 2018, 08:00:44 »
Originally our Ducati 250 widecase ran off the mag with an Ac coil.  The lights were controlled by the battery and there was only one diode in the system and no half Wave rectifier like the other Ducati 6v systems???Apparently the new coil we found with the stash of parts IS a DC coil. Is this system effectively a 3 phase 6v system?  We want  to run a 12v LED headlight.  How would you get there with this system? I have read about disconnecting the grounds on the stator am wiring them in series to get there and also read a LONG treatise on why not to do that and just disconnect the grounds and bring them out of the stator to rectify individually??? I will post more pictures


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It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

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Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #36 on: Feb 17, 2018, 08:09:12 »
Here are the wire colors coming out of the case. I donít know if this is a common conversion to change colors to match up the connecting wires on the diagram...geeze and I thought the Hondaís were confusing.


Sent from my iPhone using Tapatalk
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0

Offline Texasstar

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Re: 68 Ducati 250 SSS minus an S
« Reply #37 on: Feb 17, 2018, 08:12:22 »
Is this the derivation terminal block with the diode at the top?


Sent from my iPhone using Tapatalk
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0

Offline DesmoDog

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Re: 68 Ducati 250 SSS minus an S
« Reply #38 on: Feb 17, 2018, 12:05:16 »
Here are the wire colors coming out of the case. I donít know if this is a common conversion to change colors to match up the connecting wires on the diagram...

To me that looks like a typical replacement for the original wires that were likely trashed years ago. I doubt it had anything to do with trying to match colors, that's just what was available in that type of wire.

Is this the derivation terminal block with the diode at the top?

I don't know what a derivation terminal block is, but that's not a diode it's a fuse.

Offline Texasstar

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68 Ducati 250 SSS minus an S
« Reply #39 on: Feb 17, 2018, 12:49:34 »
white wire Ac voltage of the  mag  is 21.4 ACV for the 68 Ducati 250 Scrambler

Sent from my iPhone using Tapatalk
It's an optimization exercise and not a maximization trip.-Teazer


And though she be but little, she is fierce - WS
http://zoomwithzeke.com/
Third Times a Charm cb175
http://www.dotheton.com/forum/index.php?topic=66169.0

Honda Cb175 Victoria!

www.dotheton.com/forum/index.php?topic=52299.0

Honda Cb200 Lucky!
http://www.dotheton.com/forum/index.php?topic=45872.0

Bultaco El Montadero 360

http://www.dotheton.com/forum/index.php?topic=64349.0