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K100-forum.com » Technical, repair and troubleshooting » Alternator regulator change

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1Back to top Go down   Alternator regulator change Empty Alternator regulator change Tue Jul 05, 2022 9:31 am

Flippit

Flippit
active member
active member
Hello & good evening,

Wanted to ask before ripping apart that the regulator on a early model K75 (lower amp alternator) can be changed without removing whole unit? Just the 2 screws and pull out and insert new one?

Noticed it’s not creating charge at idle to the battery, have read around that some people have had charge after 2500rpm due to worn regulator or brushes, haven’t tried this yet I’ll check tomorrow.

Found this regulator online, any Aussies recommended anything else locally?
https://www.euromotoelectrics.com/product-p/boalt-reg286.htm

Cheers,
Phil

    

2Back to top Go down   Alternator regulator change Empty Re: Alternator regulator change Tue Jul 05, 2022 12:02 pm

MartinW

MartinW
Life time member
Life time member
It's a Bosch regulator brush assembly, common to some cars. I pulled mine out and took to a local auto electrical store and they ordered me a new one which took 2 days to arrive. The young guy didn't have a clue the owner took one look at it and rattled out the part number. I might have an old one that has a part no, I'll have a look tomorrow.
Regards Martin.


__________________________________________________
1992 K75s
    

3Back to top Go down   Alternator regulator change Empty Re: Alternator regulator change Tue Jul 05, 2022 12:05 pm

92KK 84WW Olaf

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Life time member
Life time member
I got some from tills.de for very small money.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

4Back to top Go down   Alternator regulator change Empty Re: Alternator regulator change Wed Jul 06, 2022 1:36 am

MartinW

MartinW
Life time member
Life time member
This is what I came up with BMW Hella part number 12311286073. Transpo non OEM part number IB35?-A1-14417-12V. If I substituted the illegible part number ? which could be either a 0,6,8,9 with a 0 it shows one that looks like the BMW Hella one. The IB350 and the IB351 are interchangeable. You need to show this information along with the brush assembly to your local auto electrician. This is what I came up with BMW Hella part number 12311286073.
Regards Martin.


__________________________________________________
1992 K75s
    

5Back to top Go down   Alternator regulator change Empty Re: Alternator regulator change Wed Jul 06, 2022 1:53 am

Laitch

Laitch
Life time member
Life time member
I took the part number supplied by EME, dropped it into Google and came up with this possibly useful site which I hadn't visited previously.


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1995 K75 90,000 miles
    

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