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12V Snap on Kit from Vech
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- Posts: 42
- Joined: Sat Jul 30, 2022 11:10 am
12V Snap on Kit from Vech
1. It looks like it only has a single brush... should I carry a spare, does anyone know the part number, and is it easy to change on the side of the road?
2. At idle, I am reading 12V, at speed I am reading 14V. Is this normal?
Thanks!
Brett
PS: Pictures and videos enclosed.
- Attachments
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- BMW Idle.mp4
- (1.59 MiB) Downloaded 38 times
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- BMW Speed.mp4
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- schrader7032
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Re: 12V Snap on Kit from Vech
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
- vechorik1373
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Re: 12V Snap on Kit from Vech
Some facts about that alternator.
The brush assembly has 2 brushes, one for each slip ring of the rotor.
The brush assembly IS the voltage regulator, the brushes are in it. They are NOT replaceable. The voltage regulator is the same one used on a K bike alternator.
Yes, it puts out 13 - 14 volts and 200 watts.
If, for whatever reason, you ever remove the stator, (which has the regulator and brush assembly on it) be be very careful when you re install it on the engine, you can BREAK a brush when you put it back on. You MUST push each brush up into the holder, (one at a time) when you put the stator back on the engine.
Technical Adviser, Former owner, Bench Mark Works
662 312 2838 cell 9 am to 4pm CST PLEASE!
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Re: 12V Snap on Kit from Vech
Can you confirm if the VR you are referring to is for the K100 from the 80s? Part 12 31 1 459 286?
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- vechorik1373
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Re: 12V Snap on Kit from Vech
But it is NOT the same. Transpo was the mfg of the regulator/brush assembly, I am pretty sure.
You can look them up on the web.
I no longer possess any of my vendor records, they were part of the sale of bench mark works.
I no longer have any information, sorry.
Technical Adviser, Former owner, Bench Mark Works
662 312 2838 cell 9 am to 4pm CST PLEASE!
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- Joined: Sat Jul 30, 2022 11:10 am