Author Topic: K 75c about battery, wires and dust  (Read 4593 times)

Offline vt3k

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K 75c about battery, wires and dust
« on: May 20, 2014, 04:54:17 AM »
Hi there! I am new and happy owner of K75c which i literally found in a shed. Its in a good condition but when i was checking it i found a few things i want to do so here are my questions to you: ( probably not last, as i am quite new to motorbikes and doing around them)


FIrst of all, when I was removing ignition cover I found that one wire was attached to the green wire in a very simple way ( just knoted around). When i pulled out the cover it just went loose. This wire is shown on the pic.

Than i found out loose wire next to the battery. After short investigation it occured to me that this one and the front wire are the same. BUT after i removed the tank they both meet in half way and are attached to the other wire, which seems to go to the fan. It all looks home made and now i would like to make it in more proper way ( also i had some problem with engine cutting off - that was the reason of my investigation). Could you pease tell me what these two are for. As i remid myself the "battery" end wasnt attached to anything, but i might be wrong.
It is all shown on pics.


Another question is about all the stuff under the tank, it is very dusty after all these years and i thought about wipeing it out, but the easiest way it seems to me is flush it all with water. If the battery is unplugged, can i do that? Than i would leave it on the sun for a bit to make sure there is no water anywhere. whats your ways of getting rid of the dust near wires? Can i do it carefully with karcher?





Last question is about battery itself - it is reccomended the 12 V and 20Ah battery for K75, but i bought it with 12V 10Ah, it all starts and works fine ( apart from disconecting sometimes for a minute or so like once every 50-60 km). To be honest I would rather spent money on something else if this is not so important. I ve already read that it might be bad for the battery, but can it damage the bike?

Thanks in advance, if you dont understand something please ask, as i am not sure if i am clear ;0

Offline johnny

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Re: K 75c about battery, wires and dust
« Reply #1 on: May 20, 2014, 07:38:29 AM »
greetings vt3k...

wecome to motobrick.com...

looks like unskilled hands been in there going all whack and all...

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline vt3k

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Re: K 75c about battery, wires and dust
« Reply #2 on: May 20, 2014, 08:20:34 AM »
Yeah, i found this bike literally in a barn on the countryside near the city i live, heh. To be honest i am not very skilled too, but well at least i will try to do my best, thats why i am here :-) Any ideas about those wires?

Offline johnny

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Re: K 75c about battery, wires and dust
« Reply #3 on: May 20, 2014, 06:11:34 PM »
this id what the ig switch wiring looks like...

http://www.motobrick.com/index.php?topic=4909.0

j o
  • :johnny i parks my 96 eleven hundert rs motobrick in dodge county cheezconsin  :johnny

Offline vt3k

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Re: K 75c about battery, wires and dust
« Reply #4 on: May 21, 2014, 01:51:57 AM »
Yeah that is at some point ignition wire. I found one end there, the other ende i found next to the battery and they meet half way to go to the fan?

Offline Scott_

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Re: K 75c about battery, wires and dust
« Reply #5 on: May 21, 2014, 06:52:47 AM »
You don't suppose it was someone's hodgpodge way of having the fan on when the ign is on?
If that was the case, when you get it running, you may find a bad fan relay or temp sensor that wasn't turning the fan on.
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Offline rbm

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Re: K 75c about battery, wires and dust
« Reply #6 on: May 21, 2014, 04:20:52 PM »
If the first photo is of where the green wire gets spliced into the harness (with the red tape), I can't imagine how it goes to the fan.  That photo is of the right side under the tank; the fan connector is on the left side near the front.  How did you trace it to the fan?
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