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K100-forum.com » Technical, repair and troubleshooting » Electrical » K1100LT- ignition wiring issue

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1Back to top Go down   K1100LT- ignition wiring issue Empty K1100LT- ignition wiring issue Wed Jun 20, 2018 5:52 pm

92KK 84WW Olaf

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This seems to be a known issue on the K1100

I am heading for 72,000 miles and want to avoid this issue so a few questions as I don't want to find the bike off road for any length of time.

Is the issue usually in the wiring coming to the ignition or is it in the ignition itself or in the wiring connection to the ignition unit?

If its in the ignition I am considering getting another ignition and taking it apart to do whatever is required as an avoidance measure.

I have reason to take the tank off soon for some other tasks and would like to address this issue too.


__________________________________________________
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
    

2Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Thu Jun 21, 2018 7:04 pm

robmack

robmack
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You're implying that there is a systemic problem with K1100 ignition systems, but I'm not sure what that might be. If it's known then there must have been precious discussions about this problem. Can you point to any particular thread in the forum that discusses the problem?


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

3Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Thu Jun 21, 2018 8:02 pm

Point-Seven-five

Point-Seven-five
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The only issues I can recall are with Hall Effect Sensors.  Beyond that, there have been problems reported here with plug wires, coils and on the 16V engines, the heat sink compound under the ignition amplifier module.  Even with the HES, it seems the problems were mostly on earlier model years.

I can't recall any pattern of wiring harness issues being discussed here or anywhere else.


__________________________________________________
Present: 1991 K100RS "Moby Brick Too"
 
Past:
1994 K75RT "Ilsa, She Wolf of the SS"
1988 K100RS SE "Special Ed"
1994 K75S "Cheetos"
1992 K100RS "Moby Brick" R.I.P.
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

4Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Thu Jun 21, 2018 9:18 pm

Dai

Dai
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My pet bugbear? The wiring getting crushed around the headstock/fairing mount. Now there's a foulup waiting to happen.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

5Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Thu Jun 21, 2018 9:46 pm

Rick G

Rick G
admin
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You may be thinking of the heatsink compound under the ignition amplifier which needs replacing on a regular basis but only on 92 and 93 models as the later motronic didn't have the external amplifier so the need does not occur.


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1999 K1100 LT with a Big Block 1200
    

6Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Fri Jun 22, 2018 7:07 am

92KK 84WW Olaf

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No there are threads here and elsewhere about wires disconnecting from the ignition unit and in wires breaking around the headstock, both due to steering movement.

I am looking at doing head bearings and on for doing this at the same time as a preventive measure.

Its the later K1100LT with the ABS2.

My thoughts mirror Dai.....suspect he is lining up for a Christmas pudding delivery....


__________________________________________________
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
    

7Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Fri Jun 22, 2018 10:25 pm

Inge K.

Inge K.
VIP
VIP


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

8Back to top Go down   K1100LT- ignition wiring issue Empty Re: K1100LT- ignition wiring issue Sat Jun 23, 2018 5:01 am

92KK 84WW Olaf

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Life time member
Inge K. wrote:Here you have one of them: http://www.k11og.org/forum/viewtopic.php?p=94411#94411

IngeK you are a star!! Part 3 in this diagram seems to be the answer? I don't mind having one and swapping it out at this time.

http://www.realoem.com/bmw/enUS/showparts?id=0526-EUR-06_1989_89V2_BMW_K_1100_LT_0526,_0536_&diagId=51_3484#61322305292


__________________________________________________
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
    

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