2010 TW can't fired up even battery has 12.8v in it? - Page 2
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Thread: 2010 TW can't fired up even battery has 12.8v in it?

  1. #11
    Member kltrkmpf's Avatar
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    hi littletommy, yeap it cranks right up now but it feels a little less as crisp as the MOTOBATT, slightly slower response but as long as it is ready to work everytime i need it i'm a happy man ... but the signals are always fine though, no problem with the signals, just the signal indicator lights on the dashboard that is dead, but i guess that's just the light bulbs?

    one more thing though, the charging voltage drops from 13.50~14.30 to 13.30 ~ 14.09 after the battery change, is that normal?
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  2. #12
    Member kltrkmpf's Avatar
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    oh yes! lol sorry Indiana I didn't know that's exactly a load test! *face-palm*! thank you so much buddy!

    One more thing though, the charging voltage from the rect/reg drops from 13.50~14.30 to 13.30 ~ 14.09 after the battery change, is that normal?

  3. #13
    Super Moderator littletommy's Avatar
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    You are ok on the battery. It's a different battery and in different condition, so it's not requiring as much from the regulator. Indicator lights, ok, now I got it. I have had to replace a couple from time to time, no biggie, cheap and easy to do.
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  5. #14
    Super Moderator littletommy's Avatar
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    When you brought home the new battery, did you happen to put it on the charger to see if it was fully charged after sitting in a box on the shelf somewhere? This is always important to do.
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    For God sent not his Son into the world to condemn the world; but that the world through him might be saved.

  6. #15
    Member kltrkmpf's Avatar
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    Thanks again littletommy about the rect/reg bit! =D

    The battery was installed at the shop by the mechanic, he put it on a heavy duty charger that looks something like the picture below, for only about 20minutes though ...
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  7. #16
    Super Moderator littletommy's Avatar
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    Hopefully he charged it up all the way first. Sounds like you have the problem fixed though. Good luck with the bike and please share with us any pictures and adventures you take!
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    John 3:16-17

    For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.

    For God sent not his Son into the world to condemn the world; but that the world through him might be saved.

  8. #17
    Super Moderator littletommy's Avatar
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    Quote Originally Posted by TW2013 View Post
    Having a new battery serviced up correctly, from the beginning...is an important step. In my experience...44 years of riding and over 1 million miles documented on motorcycles, I have witnessed shops handing out batteries that were serviced wrong, probably 93.14159 % of the time.

    Just because the dealership service dept. does the servicing on the new battery, does NOT mean it was done right. So many of the newer batteries already come with either acid in them, or gel filled, or AGM, or Lithium Iron batteries, and when sold, only need a small trickle charge to bring them up to full charge...if needed at all.

    There is NO WAY that I would allow a shop mechanic to hook the above posted charger onto a new motorcycle battery, and give it a 20 minute charge. NO WAY ! Period.

    That charger most likely has a minimum charging rate of 2 amps, when all you need is a trickle charge of 1.2 amps. While I was not standing there watching the mechanic "throw" a charge into your new battery.....most likely he did what 93.14 % of all motorcycle shop mechanics do, and that is he hooked the new battery up to the BIG charger....turned the knobs until he saw the needle move to show it was putting a charge into the battery...probably at the rate of 15 amps or higher, and then turned the other knob to give it a little "time" to COOK the battery. And that is just what he did...he COOKED the battery.

    The correct and proper way to charge a new battery is to first determine..."what kind of battery do you have?" Dependent upon that answer, that tells you what kind of charging needs to be done, if any charging at all. And "IF" some charging needs to be done...most likely so....then you want to use a 1.2 amp trickle charger, and charge it as slow as possible. It the new battery has lead plates, and acid inside, all you are wanting to do is gently wake up the acid, and re-introduce it to the lead plates, in a gentle manner. If you "throw" a big charger onto an acid filled battery with lead plates, and crank up the charging rate...all you are doing is MELTING the lead plates. That new battery is now good for maybe 6 months to 1 year...then it is dead.

    In the OLD days.....days of yore...(your grandfathers' days)...I learned to get a new battery from a shop or store, with the acid in the box next to the battery, and take it home to "fill" the battery myself. If you allow the shop or dealership to fill the battery, then simply DUMP the acid into the new battery, as fast as they can, and 30 seconds later either hand you the battery to take home, or...they may throw a 20 minute charge onto that newly filled battery, at a high rate, and all they did was melt the lead plates.

    WHY, you ask, did that happen? Because when the acid first contacts the lead plates, there is a chemical reaction that creates HEAT. That heat needs time to dissipate, and allow the lead plates to cool some, before putting it on the charger. If you throw the new battery, just filled with acid, on to a big charger, that creates MORE heat, and melts the lead plates.

    The way it should be done is to take the empty battery home, along with the box of acid that it comes with. Slowly and gently fill the new battery with the acid from the box. Properly dispose of the now empty acid box. Allow the newly filled battery to sit for at least 1 hour...preferably 2 or 3 hours...to cool...and to allow the acid to become familiar with the lead plates. That means leaving the caps OFF the top of the battery, so the individual cells can breathe. Place a paper towel over the top of the battery, so that any bubbling of the cells can be caught in the paper towel.

    After the battery has cooled down for at least 1 hour, preferably more, then do an initial charge test, just to see where the battery charge is...probably around 11.2 to 12.5 volts. Then, with a trickle charger, or a charge as low as 1.2 amps, connect the charger to the new battery, and slowly charge the new battery for as close to 24 hours as possible. Once done, take another static test of the battery charge, which should now be 12.5 to 13.2 volts.

    With the cell caps back in place, the battery wiped down, all tools put away, the charger put away.....the new battery is now ready to be used.

    So many people do not know how to properly service a new battery, that a large majority of the new batteries are ruined on day # 1, by incompetent shop employees, or owners that should know better, but don't.

    Most people do not take battery servicing seriously enough...until their battery goes dead, and they wonder...WHY ?

    Mike
    Perfect write up. I wanted to say something to our OP about his mechanic doing it wrong, but didn't want to stress the guy out any more than he was already. I'm just hoping it was done right. His battery life will tell all.
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    For God sent not his Son into the world to condemn the world; but that the world through him might be saved.

  9. #18
    Senior Member Fred's Avatar
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    Excellent write ups gentlemen. Helpful information for us all, not just a new member. Good that our new Singapore friend points out risks of counterfeit parts, thanks klrtrkrmf
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  10. #19
    Member kltrkmpf's Avatar
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    yes it's all good now! thank you so much littletommy!

    planning to take a ride from Singapore back to my home in Malaysia, that would be about 300km one way, i hope my bike is healthy enough to handle it!
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  11. #20
    Member kltrkmpf's Avatar
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    Thank you so much Mike! This is an extremely helpful write up!

    I guess within 6 months to 1 year when all the symptoms starts occurring again, and before it's completely dead I would just go straight to an authorised dealer to get a new one so I can handle it myself from the beginning. And that's what I'm gonna do for my other bikes too!

    My colleagues, seeing me struggling with my bikes (1979 GS550 and a 1990 DR800) for the pass 3 years, asked me many times why don't you just sent your bike to the shops, and when I tell them if I sent to the shop things never get done properly or the problem could even become worst, they thought i'm just being cynical lol! but it's true! And I thought it only happens in South East Asia/Asia, where people don't usually do things professionally simply because the customers generally couldn't effort it, didn't know it happens in the states too...

    What about Gel batteries? I've got a new gel battery for my DR800 a few months ago, was a replacement for a swollen one as a result of over charge when I attempt to jump start the DR800, I had not install it yet and I hope the shop didn't put it on a "speed charge" so I can start this new battery properly ...
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