BMW K bikes (Bricks)

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marten

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Hello ,

I'm about to fire up my 85 K100RS after two years of restoration.

But the bike wont start because there is no green neutral light at the display.

I rebuilt the gear indicator switch a while ago and remember it working.
Can a bad bulb prevent the engine from starting?

Is there a way to bypass the switch?

Thank you!!!

Marten

    

marten

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active member
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OK, I did some reading and it seems I can ground all three yellow wires of the Gear position switch and the neutral light should come on?!

Is right?

Marten

    

RicK G

RicK G
VIP
VIP
Pull the clutch lever in it will override the GPI and neutral light.


__________________________________________________
"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 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

marten

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Thanks for your help.

I pulled the clutch and pressed the starter and nothing happened.

Maybe I have other issues?!
Does the Fuel pump comes on when the ignition is turned on, because I did not hear anything.

Marten

    

RicK G

RicK G
VIP
VIP
The fuel pump will run for 1.5 seconds after you hit the starter but will not run when you turn the ignition on.
The engine needs to be running before the pump will keep running.


__________________________________________________
"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 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

duck

duck
Life time member
Life time member
@marten wrote:OK, I did some reading and it seems I can ground all three yellow wires of the Gear position switch and the neutral light should come on?!

Is right?

Marten
Correct.


__________________________________________________
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
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

marten

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active member
active member
I got the bike fired up today for the first time in two years.
It sure sounded good.

It looks like the clutch switch does not make solid contact with the clutchlever and that caused the non start issue.

At least we learned more about the gear position switch...

Thanks to everyone's help!

Marten

    

GTJos

GTJos
Silver member
Silver member
@marten wrote:I got the bike fired up today for the first time in two years.
It sure sounded good.

It looks like the clutch switch does not make solid contact with the clutchlever and that caused the non start issue.

At least we learned more about the gear position switch...

Thanks to everyone's help!

Marten

Hi Marten ! And finally, fixing your non-starting-problem, related to the neutral-light: check this one ?

https://www.k100-forum.com/t484-neutral-lamp#2168

I followed the instructions as above and now: have a working neutral-light and don't have to pull my clutch to start the bike ! cheers


__________________________________________________
Bad Gear selector switch- bike won't start Deutch10Ich bin enge Kirchröatsjer jong; adieë wa ?! Bad Gear selector switch- bike won't start Deutch10
                                1992  K1100LT 6458188
                                1987 K100LT (RS-fairing) 0170844 + sidecar EML GT2001
                                1986 K100RS 0085647 + sidecar Velorex 562
                                1985  K100RT  0027026
    

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