BMW K bikes (Bricks)

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HellFishTat

HellFishTat
active member
active member
intermittent, the worse type of problem...this morning while out for a short ride on my '91 K100rs 2x the bike felt (and sounded) like it was only running on 3 cylinders.  It lasted between 5 and 25 seconds.  I'm going to reseat the coil wires.

has anyone else had a similar experience?

    

Ringfad

Ringfad
Life time member
Life time member
I have had the same issue with my 1991 16v RS and tried a lot of things before taking the throttle bodies off and discovering the inlet rubber on cylinder 2 was cracked and letting in air, I am waiting on parts to repair but symptoms sound very similar to yours.


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intermittent cylinder loss (?electrical?) Ir-log10

   ;BMW; K100RS Style Black 1987 105K Km     ;BMW; K1 Black 1993 60K Km     ;BMW;  K1100RS Blue 1994       ;BMW; K1 Blue 1990 25K Miles
    

HellFishTat

HellFishTat
active member
active member
Thanks.  I'll look there next

    

92KK 84WW Olaf

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Life time member
Life time member
I also had a similar problem on the LT not long after a service and plug change. It turned out to be a bad spark plug, brand new, failed a short time after it was fitted. NGK D7EA. A change sorted it out.


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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 0011171 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 49,840 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 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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