K11 Owners Group Forum Index K11 Owners Group
K11 Owners Group
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

ABS quirk

 
Post new topic   Reply to topic    K11 Owners Group Forum Index -> Campfire
View previous topic :: View next topic  
Author Message
flybd5
Flying Brick Rider


Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA

PostPosted: Fri Oct 09, 2020 10:28 am    Post subject: ABS quirk Reply with quote

On my bike, first ride of the day the ABS doesn't seem to kick in. The warning lights stay on until i stop at a light or sign, turn the bike completely off, turn the key again, start and get rolling. As soon as I get rolling the light finally extinguishes. Do I need to change the sensor on the rear wheel or ??
_________________
To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE
Back to top
View user's profile Send private message
Mike d
Mad Brick Rider


Joined: 19 Feb 2010
Posts: 130
Location: Daventry UK

PostPosted: Fri Oct 09, 2020 12:26 pm    Post subject: Reply with quote

Are the two warning lights flashing - together or alternately.

If the latter then, it's a sign of low voltage to the ABS caused by the first start up. Usually cleared by riding a mile or so, then trying a restart as per your description.

Mike
Back to top
View user's profile Send private message
flybd5
Flying Brick Rider


Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA

PostPosted: Fri Oct 09, 2020 2:23 pm    Post subject: Reply with quote

Thanks. kinda weird since it only happens on the first start of the day.
_________________
To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE
Back to top
View user's profile Send private message
Grunter
Flying Brick Rider


Joined: 30 Sep 2015
Posts: 367
Location: North East England

PostPosted: Fri Oct 09, 2020 2:37 pm    Post subject: ABS Reply with quote

Yes that is normally the way it happens.

With my last K1100 this started to take place and I just lived with it. Then after a lay off for 2 weeks I went back to the bike and the battery was almost lifeless. I replaced the battery and all was OK again.
_________________
1997 K1100LT
1994 R1100RS
Back to top
View user's profile Send private message
Jim
Site Admin


Joined: 17 May 2003
Posts: 3840
Location: WHERETHEFUNNEVERENDS

PostPosted: Fri Oct 09, 2020 3:09 pm    Post subject: Reply with quote

Time for a new battery... or else get the current battery charged up.
_________________
Jim
1997 K1100LTSE 94,000 - has gremlins!
1995 R100RT Classic 16,650 crashed - repairing
1992 K75RTP 46,000
1992 R100R 24,000 - FOR SALE

"We shall not all die, but we shall all be changed."
Back to top
View user's profile Send private message Send e-mail Visit poster's website
flybd5
Flying Brick Rider


Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA

PostPosted: Fri Oct 09, 2020 3:34 pm    Post subject: Reply with quote

Jim wrote:
Time for a new battery... or else get the current battery charged up.


The battery is fully charged, and it has been doing it since before I bought this battery. I doubt it is a battery issue.
_________________
To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE
Back to top
View user's profile Send private message
Scott_Anderson
Site Admin


Joined: 05 Sep 2006
Posts: 3117
Location: Central Iowa, USA

PostPosted: Fri Oct 09, 2020 4:26 pm    Post subject: Reply with quote

Sounds like you may be having the beginnings of a starter issue.
When the battery is 'cold' at 1st start, the voltage could be dropping just enough to make the ABS unhappy. Then later as the battery is warm from being freshly recharged(and the heat of the bike), the voltage on restart stays just above the minimum threshold.

What is the AH rating of your battery.
_________________
Ride safe.



1995 K1100LT 0302044
1997 R1100RT ZC62149
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.)
Back to top
View user's profile Send private message Yahoo Messenger
flybd5
Flying Brick Rider


Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA

PostPosted: Fri Oct 09, 2020 8:24 pm    Post subject: Reply with quote

Scott_Anderson wrote:
Sounds like you may be having the beginnings of a starter issue.
When the battery is 'cold' at 1st start, the voltage could be dropping just enough to make the ABS unhappy. Then later as the battery is warm from being freshly recharged(and the heat of the bike), the voltage on restart stays just above the minimum threshold.

What is the AH rating of your battery.


The battery is 21AH and the German smart charger says it is completely healthy. The voltage is always low when you start -- the alternator and charging don't kick in until you rev to about 1400, which I always do right after starting. And this happens even when the charger has been connected and keeping the battery topped off all night. I hear what you are saying but I have my doubts this is the explanation for what I am seeing.
_________________
To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE
Back to top
View user's profile Send private message
Jim
Site Admin


Joined: 17 May 2003
Posts: 3840
Location: WHERETHEFUNNEVERENDS

PostPosted: Sat Oct 10, 2020 12:31 am    Post subject: Reply with quote

Do you have LEDs in the instrument cluster?
_________________
Jim
1997 K1100LTSE 94,000 - has gremlins!
1995 R100RT Classic 16,650 crashed - repairing
1992 K75RTP 46,000
1992 R100R 24,000 - FOR SALE

"We shall not all die, but we shall all be changed."
Back to top
View user's profile Send private message Send e-mail Visit poster's website
flybd5
Flying Brick Rider


Joined: 01 Jul 2019
Posts: 371
Location: Massachusetts, USA

PostPosted: Sat Oct 10, 2020 12:33 am    Post subject: Reply with quote

Jim wrote:
Do you have LEDs in the instrument cluster?


Yes. Why?
_________________
To err once is human. To do so repeatedly is incompetence.
1995 K1100LT SE
Back to top
View user's profile Send private message
Mike d
Mad Brick Rider


Joined: 19 Feb 2010
Posts: 130
Location: Daventry UK

PostPosted: Sat Oct 10, 2020 5:45 am    Post subject: Reply with quote

Because if you have one swapped out the charge light filament bulb for an LED version, the excitation current (to kick start the charging for the alternator) will be insufficient.

Having said that, on a lot of K bikes, if the bike is revved to 3-4k rpm it will self excite and start charging. It should then work as normal until you switch of the engine. The next time you start the same problem arises.

Mike
Back to top
View user's profile Send private message
Scott_Anderson
Site Admin


Joined: 05 Sep 2006
Posts: 3117
Location: Central Iowa, USA

PostPosted: Sat Oct 10, 2020 7:18 am    Post subject: Reply with quote

Well, for what it's worth, every now and then when I start my K, cold in the morning, if the bike doesn't fire off right away and I have to hit the starter a couple of times, I get the alternating ABS lights.
Yet after work when the bike has sat in the sun all day, I don't recall ever having the alternating ABS lights at startup.
I've got a 20ah gel battery that was new in '19.
YMMV.

Maybe it's a sign of the times... everything seems to be being made cheaper with lower quality standards than years ago.... I'd imagine that batteries are no different.
_________________
Ride safe.



1995 K1100LT 0302044
1997 R1100RT ZC62149
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.)
Back to top
View user's profile Send private message Yahoo Messenger
Acentistaha
Brick Rider


Joined: 28 Sep 2017
Posts: 48

PostPosted: Tue Dec 15, 2020 3:25 am    Post subject: Reply with quote

Usually cleared by riding a mile or so, then trying a restart as per your description.
Back to top
View user's profile Send private message
Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10082
Location: Bumf***, WA

PostPosted: Tue Dec 15, 2020 8:05 pm    Post subject: Reply with quote

Mike d wrote:
Because if you have one swapped out the charge light filament bulb for an LED version, the excitation current (to kick start the charging for the alternator) will be insufficient.

Having said that, on a lot of K bikes, if the bike is revved to 3-4k rpm it will self excite and start charging. It should then work as normal until you switch of the engine. The next time you start the same problem arises.

Mike


I've been running LEDs in the clusters in all of my Ks for over a decade. Never caused any ABS issues.

Yeah, if you don't rev it enough (2,00-2,500) and the charge LED stays on you're running off of the battery but as soon as you give it enough revs to get the bike moving the LED goes out and all is good.

Example: https://youtu.be/w3mPLnfKDFk
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    K11 Owners Group Forum Index -> Campfire All times are GMT - 4 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group