BMW K bikes (Bricks)


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Yelland

Yelland
active member
active member
Hey K-family,

Finally I have time to work on my k100 again. It has been too long and I am on my way to getting the old girl on the road. 

I have one last problem.. It won't start.

I press the start button, it turns over to the point of sounding like it will start and then just stops. Then the fuel pump kicks in.. and I retry the process..

The only way I can get it to start cold (and when I say cold the temp here is average 30 degrees C) is to use aerostart up the air intake. When it has eventually started It runs very well. 

Help?

- It has a new battery
- new leads and plugs
- injectors cleaned
- new fuel
- fuel filters and pump checked.


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Home is where your bike sits still long enough to leave a few drops of oil on the ground.
    

duck

duck
Life time member
Life time member
Recheck/replace the fuel filter.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

Holister

Holister
Life time member
Life time member
Check the coolant sensor. Measure resistance across pin #10 and #13 on the FICU plug counting pin spaces from the lead end. Should be somewhere around 2.0 kilohm at 30oC


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1989 K100RT     VIN  0097367 (naked)  
1996 K1100RS   VIN  0451808
 Back from the mechanics and they can't help. (starting) Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

Rick G

Rick G
admin
admin
Check the plug to the ECU and ICU are seated properly and check out this thread which is running ATM
https://www.k100-forum.com/t11114-can-t-start-a-bike-that-has-been-off-the-road-a-while-any-suggestions#132708
https://www.k100-forum.com/t11124-ignition-issue
It saves me retyping Laughing


__________________________________________________
"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
    

Yelland

Yelland
active member
active member
RicK G wrote:Check the plug to the ECU and ICU are seated properly and check out this thread which is running ATM
https://www.k100-forum.com/t11114-can-t-start-a-bike-that-has-been-off-the-road-a-while-any-suggestions#132708
https://www.k100-forum.com/t11124-ignition-issue
It saves me retyping Laughing

Thanks heaps for the read. 

It is a weird one, that I think is pointing to a loose inception in the ECU or ICU.. whatever one is the silver box under the seat. 

I went out to start trouble shooting and the thing works completely fine, starts every time.. maybe the bike knew I was reading forums.  Anyway, I took the plug off and gave it a good clean and made sure it was seated correctly anyway. 

- I am not a fan of stuff just starting to work.. because it may just decide to stop working.. ha

Thank you all so much for your help.


__________________________________________________
Home is where your bike sits still long enough to leave a few drops of oil on the ground.
    

Rick G

Rick G
admin
admin
Yeah I know how you feel. Intermittant electrical problems are the worst kind, you never really know if they are fixed and your waiting for the next time they stop in the middle of an intersection.


__________________________________________________
"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
    

charlie99

charlie99
VIP
VIP
I feel your pain

good luck


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
'86 k100 rs.. #######..  "Fred " (f(rame) red ) ( Fredrick leichtundschnell ) - -
bits and pieces from many kind friends across the k100 world ...with many thanks ..
1987 k100rs ########   "Red"  - (red sports rs TWB style )
1989 K100rt #009637   "Black Betty"  (naked rt ala Nigel , now sporting an rs main fairing )
    

92KK 84WW Olaf

avatar
Life time member
Life time member
I have discovers that the plastic retainer for the plug, on the silver unit under the seat, can crack and give an intermittent fault as in cut out or not start. Took me a while to discover that as I had another fault at the same time. If a K cuts out after going over a bump the fuel plug connector to the fuel tank [especially early Ks with bolt on tank] and that plug under the seat must be the prime suspects.


__________________________________________________
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 48,061 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 61,190 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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