BMW K bikes (Bricks)


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les10

les10
active member
active member
electical power drain on battery. cells dry no sign of power drain off battery so they say. the bike as a fault but they either dont look or haven,t got a clue but want to charge me the earth. please help me two garrages no bike for a week Icon_sad

    

Crazy Frog

Crazy Frog
admin
admin
Check this diagram. This is where you are supposed to have power when the ignition is turned off. If you have power anywhere else, this is where your problem come from.
As an example, if you get power at the second fuse (from the bottom), you may have a problem with the fuel injector relay. If you get power at the top fuse, you may have a bad load shed relay. These fuses shouldn't be powered when the ignition is off.

Good luck

Bert


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please help me two garrages no bike for a week Frog15please help me two garrages no bike for a week Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

K-BIKE

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Life time member
Life time member
Hi Les,
So what have you diagnosed using Bert's diagrams? we are all keen as mustard to read what you have found.
Regards,
K-BIKE

    

les10

les10
active member
active member
hi again i ,m at a loss def no pwer drain when ignition off. i,m still using old battery for tests but this able to start bike.

this morn i started bike first time let it run for approx 15 mins. turned engine off and it would not restart.
think its a problem when running.
i,m such a novice what do i do know ?

    

Crazy Frog

Crazy Frog
admin
admin
Does the starter turns? Can you ear the fuel pump?

First, check if you have ignition and fuel supply.


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please help me two garrages no bike for a week Frog15please help me two garrages no bike for a week Logo2101986 k75, 1985 K100rt, 1985 K100rt/EML GT2 sidecar, 1999 K1200lt/Hannigan Astro Sport sidecar.
    

green cat

green cat
Silver member
Silver member
Brushes of the electrical starter


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[img]please help me two garrages no bike for a week 3cc2228804714fdc8e93fe1f84a93706[/img][img]please help me two garrages no bike for a week K1100l10
    

K-BIKE

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Life time member
Life time member
Hi Les,
If you had a low battery but were able to start the bike then you let it idle for 15 minutes and then you could not re-start it that says to me very flat battery.

As I have said to another member recently when a K is idling it is not charging the battery it is running it down more every second it idles. If you start the bike and then ride off and give the bike a good run for say an hour or so at reasonable highway speed, not idling in traffic, that will recharge the battery. After you switch off then it will re-start. That is a typical sequence for a bike with no other problem other than a battery in a low state of charge.

Regards,
K-BIKE

    

les10

les10
active member
active member
i know the battery is no good it was brand new 4wks ago. then it went flat. nothing to do with idle speed i use bike and do many miles on it when i have started it either with the battery when ive charged it or after bump start or jump leads.

i have a brand new battery to fit but untill i know the reason why it drained a brand new one in a little less than 4 weeks there.s no point. i have checked and no loss or drainage on battery when ignition off in the process of checking all wiring and fuses. it a problem when bike running.

    

green cat

green cat
Silver member
Silver member
So you MUST check Brushes of the electrical starter. It's often the source of really "bizarre" electrical problems. If they are too short they cause many problems...


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[img]please help me two garrages no bike for a week 3cc2228804714fdc8e93fe1f84a93706[/img][img]please help me two garrages no bike for a week K1100l10
    

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