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Author Topic: Low battery/no start  (Read 5962 times)

Offline Fossil

  • Motobrick Curious
  • Posts: 24
  • '91 K100rs4V caretaker
Low battery/no start
« on: May 24, 2012, 04:01:47 PM »
Here goes,,,,went to start K100 rs and barely got a grunt out of starter. Turned key off quickly and then no inst lights,,nothin. Hooked up battery tender and got red"\'hooked up wrong' light. It wasn't connected wrong. I then took battery cables off and was able to charge battery. Hooked cables back up and I was back where I started. No inst lights no start and same battery tender red light. Fried starter relay???? Fuse? Fossil
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Offline frankenduck

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Re: Low battery/no start
« Reply #1 on: May 24, 2012, 04:37:44 PM »
How old is your battery?  Take it to an auto parts store where they will load test it for free.
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Offline Fossil

  • Motobrick Curious
  • Posts: 24
  • '91 K100rs4V caretaker
Re: Low battery/no start
« Reply #2 on: May 25, 2012, 03:14:42 PM »
Charged battery fully. hooked up pos side terminal,,,when I touched the neg terminal with ground cable Voila!! Engine turned over with no key in ign. Sounds like a fried starter sol. to me but thats just a SWAG. Yes?No? Fossil
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Offline frankenduck

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Re: Low battery/no start
« Reply #3 on: May 25, 2012, 03:33:06 PM »
The contacts in the starter relay "welded" together when you tried to start it with a low battery.  Fairly common thing to happen.  Try rapping on the right rear of the relay box with a crescent wrench or something to see if they'll come unstuck.
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Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
New to K bikes? Click here.
K Bike Maintenance & Mods: Click here.
Buy parts here.

Offline ok75

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  • Posts: 19
Re: Low battery/no start
« Reply #4 on: May 25, 2012, 06:02:01 PM »
Same thing happened to me the other day. I had a low battery and couldn't get it started after I stopped to pick something up at the auto parts store. Got a jump at the store and rode home. BUT the odd thing on the ride home was that my headlight wasn't working and my turn signals (all 4) would all just light up for a second when I tried to signal. Got home turn the key to off and the starter was still cracking . . . it was apparently stuck on the 5 mile ride home and, when it is cranking the lights are wired to be off to conserve power. Started it up again immediately, turned it off, and the starter was unstuck. I have since replaced the battery (Odyssey PC680) and the bike is MUCH happier.
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Offline Fossil

  • Motobrick Curious
  • Posts: 24
  • '91 K100rs4V caretaker
Re: Low battery/no start
« Reply #5 on: May 26, 2012, 10:48:05 AM »
Removed starter relay and 'roughed' it up a bit and replaced it. Bike started right up like it's supposed to. Great day here so off we went on our first ride,the brick and me. Boy! does that thing pull when ya get on it!!!! There might be a love affair here! LOL Fossil
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Offline Fossil

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  • Posts: 24
  • '91 K100rs4V caretaker
Re: Low battery/no start
« Reply #6 on: May 26, 2012, 10:49:49 AM »
Ooops! Forgot to say thanks for the help y'all. Fossil
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Offline dakardad

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  • Posts: 6
Re: Low battery/no start
« Reply #7 on: June 01, 2012, 05:23:41 PM »
Where do I find the starter relay? :confused:
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Offline Fossil

  • Motobrick Curious
  • Posts: 24
  • '91 K100rs4V caretaker
Re: Low battery/no start
« Reply #8 on: June 03, 2012, 08:05:02 AM »
Raise the rear of the tank and block it up, snap the cover off the black box just ahead of the computer. The relay is at the back right corner of the box.(disconnect battery) I took mine out to free up the contacts. Good luck.
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