BMW K bikes (Bricks)

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1Back to top Go down   K100 will not start Empty K100 will not start on Sun May 26, 2019 12:38 pm

cafe_racer_freak

cafe_racer_freak
active member
active member
Dear All,

my engine will not start again and the revolution counter will react without pushing the start button.

engine will get gas
sparks are new
starter is new
battery is new
all plugs are checked 

My guess is the hall sensor or the watertemperature sensor

It would be very helpful if you could give me your ideas.

thanks a lot

Markus

    

2Back to top Go down   K100 will not start Empty Re: K100 will not start on Sun May 26, 2019 5:08 pm

Arlina

Arlina
Life time member
Life time member
Watertempsensor; it will start, but not good.
Hallsensors; both must be broken, don't think so.

Check the sidestandswitch and the clutchswitch, and check if the neutrallamp is on, and zero on the dash.
Good start, good luck Smile


I just send you a personal message Wink


__________________________________________________
K100 will not start Eu-log10  K1100RS/LT - R1200RT - R1100RS (RIP) - Cagiva SST 350 Ala Verde
    

3Back to top Go down   K100 will not start Empty Re: K100 will not start on Sun May 26, 2019 6:13 pm

duck

duck
Life time member
Life time member
revolution counter will react without pushing the start button.

What does this mean?

Have you tried pulling in the clutch when trying to start it?


__________________________________________________
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 (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

4Back to top Go down   K100 will not start Empty Re: K100 will not start on Sun May 26, 2019 6:44 pm

MartinW

MartinW
Life time member
Life time member
After failing to start are the spark plugs wet or dry??
Regards Martin.


__________________________________________________
K75s Hybrid
    

5Back to top Go down   K100 will not start Empty Re: K100 will not start on Mon May 27, 2019 4:40 am

cafe_racer_freak

cafe_racer_freak
active member
active member
@MartinW wrote:After failing to start are the spark plugs wet or dry??
Regards Martin.
Good morning,

the sparks are wet.

cheers

Markus

    

6Back to top Go down   K100 will not start Empty Re: K100 will not start on Mon May 27, 2019 4:42 am

cafe_racer_freak

cafe_racer_freak
active member
active member
@Arlina wrote:Watertempsensor; it will start, but not good.
Hallsensors; both must be broken, don't think so.

Check the sidestandswitch and the clutchswitch, and check if the neutrallamp is on, and zero on the dash.
Good start, good luck Smile


I just send you a personal message Wink
Hi Arlina,
my old Lady do not have the sidestandswitch. Neutral lamp is for sure on and it is ze.ro on the dash.

Markus

    

7Back to top Go down   K100 will not start Empty Re: K100 will not start on Mon May 27, 2019 4:43 am

cafe_racer_freak

cafe_racer_freak
active member
active member
@Arlina wrote:Watertempsensor; it will start, but not good.
Hallsensors; both must be broken, don't think so.

Check the sidestandswitch and the clutchswitch, and check if the neutrallamp is on, and zero on the dash.
Good start, good luck Smile


I just send you a personal message Wink
Hi Arlina,

my old Lady  Very Happy ( 1985 ) do not have the sidestandswitch. Neutral lamp is for sure on and it is ze.ro on the dash.

Markus

    

8Back to top Go down   K100 will not start Empty Re: K100 will not start on Mon May 27, 2019 5:05 am

MartinW

MartinW
Life time member
Life time member
A faulty temperature sensor or connection can cause an over rich mixture and failure to start. 
Removing the fuel pump fuse #6 or disconnecting at the four pin connector will allow the engine to start on the residual fuel in the combustion chamber. You will need to work the throttle and as the engine starts to die insert the fuse or reconnect the pump. Having an offsider helps. If it does start and run it will be running rough and you'll have to work the throttle. You will now have to either clean the connector or test and replace the temperature sensor. 
Regards Martin.


__________________________________________________
K75s Hybrid
    

9Back to top Go down   K100 will not start Empty Re: K100 will not start on Fri May 31, 2019 8:02 am

cafe_racer_freak

cafe_racer_freak
active member
active member
Hey folks,
Allright , The Problem is solved.
I checked The Hallsensor and it is damaged.

One of The magnetic ports gives no signal.

Many thanks for your ideas and help.

Best regards 

Markus

    

10Back to top Go down   K100 will not start Empty Re: K100 will not start on Fri May 31, 2019 8:24 am

Arlina

Arlina
Life time member
Life time member
Good Smile
And now ride Very Happy


__________________________________________________
K100 will not start Eu-log10  K1100RS/LT - R1200RT - R1100RS (RIP) - Cagiva SST 350 Ala Verde
    

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