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I put about 250 miles on my New 2000 LT today. Rode out to Blanco and met up with another rider at the Sunset,...from there we rode over to Luckenbach for a bit of live music and a few Odoul's Amber Ales (non alcholic...and one of the more interesting tasting NAs that I have had).

My ABS lights were cycling (alternating from left to right) all day. I have had it on a maintainer....connected directly to the battery...and the bike cranks over fast with no indication of a low battery.

I have had numerous BMW bikes in the past that weren't on a battery tender,....the ABS would flash for a few minutes after the first start .......and after riding for 5 or 10 minutes,....a re-start would clear the ABS flashing lights. Not the case here.

Is there a known issue with LTs that would cause this....or am I just dealing with a marginal battery (that appears to be OK at the moment)

Brian In Austin
 

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2011 R1200RT
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Did you notice the same behavior when you test rode the bike before buying it? Did you check the brake fluid level in all reservoirs?
 

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Cooler on the east coast!!!
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Brian check the break fluid level, the rear under the seat was the culprit on mine. I would also check the battery as well.
Good luck.
 

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My money's on a simple fix -- adding a little brake fluid to the reservoir.
Well -- sort of simple.
The reservoir is a little tough to find along the side and under the back seat. I have 2 reservoirs on mine (2002) but unsure of the 2000 model.
Lots of guys have had this little hitch and it seems to me from reading the posts that the fix is generally simple and inexpensive.
Congrats on the new bike ...... when snowbanks recede below 3ft in height, I hope to get out on mine. May be June? :brick:
Best,
Keir
 

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My 2000 does it every once in a while. I turn it off and restart and the glitch goes away.
 

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If its the orginal battery, I would bet that's the problem.
I don't think the year 2000 senses the brake fluid level, but I could be wrong.
 

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Brian,I just had my 2000 LT in for service and to get the ABS lights reset. Apparently the older LTs like ours don't have the fancy sensors for the brake fluid levels. The fault turned out to be the modulator piston. They reset it last November, it came back on in March and they reset it again last week during my service. They tested it and couldn't get it to fail, but warned me that if it keeps happening, we might need to change out the modulator unit. $ound$ Expen$ive if I caught their meaning. I might consider fixing the problem with a 1" piece of black electrical tape over the flashing lights.
 

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I had the exact same problem. The dealer told me the ABS unit was bad (it only had 10000 miles on the bike when it happened, but was out of warranty), but I wasn't about to shell out the money to get if fixed. I did check my brake fluid levels, and they were fine. I also put a new battery in it, and finally I did a brake flush. I am not sure which corrected the problem, but after the dealer reset the unit (again, he told me it would need to be replaced) it has worked fine ever since--some 20000 + miles. If you haven't flushed the brakes recently, I would suggest doing so, then having it reset.
 

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jrlakin said:
I had the exact same problem. The dealer told me the ABS unit was bad (it only had 10000 miles on the bike when it happened, but was out of warranty), but I wasn't about to shell out the money to get if fixed. I did check my brake fluid levels, and they were fine. I also put a new battery in it, and finally I did a brake flush. I am not sure which corrected the problem, but after the dealer reset the unit (again, he told me it would need to be replaced) it has worked fine ever since--some 20000 + miles. If you haven't flushed the brakes recently, I would suggest doing so, then having it reset.
Had the same problem with mine. Did the same thing flushed the complete system, reset the ABS and cured the problem. Put 10,000 mile on so far with no problems.
 
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