K11 Owners Group

blue95lt · Posted: Mon Jun 08, 2009 8:47 pm Post subject: altanitor or battery ?

Hi Phil,Duck and anyone with elect.problems knowledge!!
I got my 95 k1100lt about 3 yrs ago and it had a bmw exide gell batt.in it.
I put on piaa1100x lights and run a streetpiolet 2730 w/xm sat.radio.
I try to keep it on a bmw charger cause a long time ago I had the dreaded abs lite blink alternatly and was reading on here about low batt. causing that to happen at times.
Now a couple yrs. later if I have to sit in traffic a while at idle,with the piaa lites on and the gps on,the gps screen goes out and come back on.
If I put the (choke) on some,(a bit faster idle) the gps screen will stay on.
Do I need to get a new batt. or replace the brushes in the alt.
I do have a sears test meter but I am not very good at using it(electrical problems are not my strong point) any help is always greatly appreciated.
thanks keith

Flying Duck · Posted: Mon Jun 08, 2009 8:59 pm Post subject:

Take the battery out and have it tested for free at an auto parts store.

How many miles on the bike?
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86-97 K75F(K75/100/1100 Frankenbrick)
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91 & 92 K75Ss
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blue95lt · Posted: Mon Jun 08, 2009 9:17 pm Post subject: alt or batt.

I'm sorry,forgot to mention appx.53000 mi. on my k.
thanks keith

Jim · Posted: Mon Jun 08, 2009 9:53 pm Post subject:

How old is the battery? Three years that you know of - maybe older - you don't say.
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

Scott_Anderson · Posted: Mon Jun 08, 2009 10:08 pm Post subject:

My battery on my '95 was less than 1 year old this spring when I was getting low battery alarms with my fuel plus. The battery was put in new when J.O. bought the bike last July.
The bike only had 50K on it.
Put a new battery in it, thinking the battery was bad. Lasted 3 weeks and the problem was back.
The problem ended up being the slip rings in the alternator were dirty/tarnished.
I pulled the Alt, polished up the rings, touched the brushes, put it all back together and everything is fine.
_________________
Ride safe.

1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold)

blue95lt · Posted: Tue Jun 09, 2009 10:36 pm Post subject: alt. or batt.

Thanks all; Jim I checked my maint. notebook the p.o.'s kept up with the bike and the batt. was put in on 10/01/04!!
SCOTT, what are the slip rings in the alt? does the repair manual show them?
DRAKE; I did take my batt. to autozone to check it and he said it was good but ask me wonder how many cold cranking amps it has,I had no clue but was 19 A /H
Now I need to study up on these slip rings in our alt.
Drake, on the plastic cover on the back,my alt.shows a 50 0 123 105 001 14v 27-50 A 2 306 020
I put my test meter on the terminals and it shows 13.05V (on the batt.)
IS it 27 amps at idle and 50amps the most out put it will have?

Jim · Posted: Tue Jun 09, 2009 11:39 pm Post subject: battery

Blue - I imagine it's probably time for a new battery. You might get some more use out of that one, but likely not too much more.
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."

blue95lt · Posted: Thu Jun 11, 2009 7:54 am Post subject: Alt. or Batt.?

Hi Fellow brick wranglers,
It sure is a wrangling job to get the alt. out ,on my 95 k1100lt anyway.
Wanted to clean them there slip rings and measure the brushes. they were 9 &10 mm long from the plastic holder to the end of the brush.That is a good thing anyway! Hope to get it back together this evening after (the salt mines) I think the abs pump could of been s tad smaller so the alt. can have room to get out with out gouging up the frame down tubes.
just my .2 cents worth
Will try to update on the alt. performance,when I get to ride it again.
thanks all, keith.

Scott_Anderson · Posted: Thu Jun 11, 2009 1:10 pm Post subject:

I ended up removing the brake line that runs from the rear M.C. going to the ABS unit in order to get the alt out. No matter which way I twisted or turned the alt, it wouldn't come out with the brake line there.
_________________
Ride safe.

1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold)