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battery

  1. bobnmona

    Whether or not battery tenders are really necessary

    Hi, I've ridden lots of different motorcycles over the last 40 years and other than a 1991 Suzuki GSX1100F that really did need to be hooked to battery life-support every minute that I was not riding it, all my BMWs have done very well without tenders at all. Granted, I live in northern...
  2. D

    Time to change the battery?

    I have a 2009 F650GS (twin) that I bought used. Total mileage is now 12,500. Lately my LED battery gauge seems to have dropped slightly when riding. For the last year it has shown one green LED (12V) with the second green (13V)flicking on and off at times. Now it has dropped one light to the...
  3. G

    1971 R75/5-battery - starter

    Just bought a decent R75. The starter switch worked when I bought the bike. The battery was bad, so I replaced the battery with a new one. The stater switch does not work now. I am wondering if I shorted out the system when removing the old battery and may have touched + and ! against the...
  4. EricJRW

    When should one consider a battery tender?

    I asked the question here http://forums.bmwmoa.org/showthread.php?p=669147&posted=1#post669147, but then thought to create a new thread. Basically, at what point is a battery tender a good idea? I just replaced my battery (it was almost 7 years old), and wonder if that's good or if it would...
  5. pglaves

    Battery

    I had an interesting experience with a battery yesterday / today that is worth describing. The bike happened to be an F650 Dakar but that wasn't critical or even very important to the story. Yesterday I rode the bike 53 miles into Alpine, made 4 stops in town, and then rode home, dropped some...
  6. J

    '05 r1200rt ticking but not starting, EWS code on main display

    So after riding my 05RT for the first time this year about a week or so ago, and having the bike on a BMW charger most of the winter, today I tried to start it but am getting the following: The bike sounds "normal" when turning the key, I can hear the whirring of the (fuel pump or whatever)...
  7. R

    Deka ETX30L Powersports AGM Battery

    I wanted to put in my recommendation for this battery for my 1977 R100. The original battery was the BMW version (wet type) and was five years old and was still charging but..... you never know with any battery when it will crash. There's been a lot of positive references to the Odyssey brand...
  8. merrittgene

    K1200GT battery recommendations?

    My new-to-me 2006 K1200GT was garaged for 3 years, and I fear the battery is not good. I can't get it tested right now, but I can ask for advice about what to replace it with, if the need arises. What's the current wisdom? Maybe more importantly, what/which should I avoid? Thanks!
  9. Y

    No-start Situation Solved

    Hey, folks...there seems to be a lot of no-start threads asking for help, so I thought I'd share what happened to me this week so that it might help someone else...talkin' about a '78 R100/7 here, BUT...that doesn't really matter...it's a general sorta deal... Went for a little 200 mile ride on...
  10. LCBIKEMAN

    battery tender recommendations?

    I ride a 2000 R1100 RT with just under 30K miles, the last 1400 mine since I bought it. With dropping temperatures upon us in Northern Virginia, I am seeking thoughts on battery tenders. Yes or no - experiences? If yes, which one and why? Experiences? I have a gel battery of unknown age (on...
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