battery problem

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

i have yet another problem with my bike the battery seems to die very very quickly, i charge it up and the next day it will be dead again.
can anyone help me ? Confused

hmmmnz · Super Spammer Joined: 22 Aug 2006 Karma :

got an alarm??
have you got a multi meter??
if so disconnect the battery and connect up the multi meter in siries (inline with the + on the battery) and select Amps and see if when the bike is off if it is drawing any current, if its not then its safe to say that you need a new battery, if it is, pull each fuse 1 at a time untill he current drops to 0 and then you'll see where the electrickery is going,
and then you are 1 step closer, Very Happy

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ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

thankyou very much i will try that, very helpfull Thumbs Up

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

Why are you having to charge it, is the bike not charging it anyway? As said sounds like the battery needs replacing.
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ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

yes but i replaced the battery last month. Confused

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

is it lead/acid type? If so check the levels in each cell and make sure they are correct. It shouldn't be duff after a month unless its always been like it then you may have bought a duff one.

Have you checked the voltage with the engine running to make sure its being charged? Engine off . . 12-12.8v Engine running 13.8-15v
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F.Y.Y.F.F.

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

it is acid type how do i test it ? when i bought it it was perfectly fine for a couple of weeks very strange.
thanks for your help Thumbs Up

timjim · Trackday Trickster Joined: 31 Aug 2006 Karma :

firstly,with the engine running,check the charge rate..this should be between approx 12.7volts and up to 14 volts,anything less,then you may have a charge/regulator fault.Make sure you check the charge with the lights on and the lights off.I would suspect with the symptoms you describe,the battery is knackered.If youre charging it,make sure you use a charger specified for motorbike batteries....a car charger is too high an output and will fry and buckle the plates inside if left on charge too long....use an optimate..good value at approx 30-40 quid.

I would still look at a suspect battery as the symptoms sound similar to mine!!new battery..no problem!! Karma

timjim · Trackday Trickster Joined: 31 Aug 2006 Karma :

correction to the above statement!!!!!when i mentioned charge the battery with the lights on..i meant CHECK the battery with the lights on and off..this will see what the alternator is doing under loaded conditions..sorry for the confusion!!!Tim Embarassed

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

yes but have nothing to check the charge rate with what do i have to use Question

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

You will need a cheap test meter, to check the voltage.
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F.Y.Y.F.F.

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

do you have any idea how much they cost as budget is low at moment and where can i get one from.
thanks for all your help Thumbs Up

timjim · Trackday Trickster Joined: 31 Aug 2006 Karma :

Try your local Halfrauds..they may even be nice enough to test it for you!!i think some even sell bike batteries!!worth a shot!

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

dont even go there i hate hate halfords they are all a bunch off useless TW*TS in my local one they are all chavs that i cant understand what they are saying. then again they dont like me in there ever i kick up a fuss all the time. Laughing

timjim · Trackday Trickster Joined: 31 Aug 2006 Karma :

you must have agarage or workshop near you tht will take the time ( and beer vouchers!!) to test it for you??

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

yes i took it up to a garage and they said they didnt have a small enough tester to test it with not sure really what he meant by that but there are plenty of garages around that i could try. are the testers expensive to buy?

Finglonga · World Chat Champion Joined: 27 Jul 2004 Karma :

They were probably going to do a drop test, that's not what you want.

This is what you need . . Clicky, you can get them from most car accessory stores.
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F.Y.Y.F.F.

crphillips · Borekit Bruiser Joined: 17 Feb 2008 Karma :

You'd pick up a cheap multi meter from Maplins for a fiver.
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ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

great thanks everyone for your help i will let you know how i get on Thumbs Up

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

would this work Question

19van71 · Spanner Monkey Joined: 04 Dec 2007 Karma :

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

cool thanks for that Thumbs Up

glosoli · Two Stroke Sniffer Joined: 17 Sep 2007 Karma :

I had the same problem with my 125 virago.

The regulator/rectifier needed changing initially, and then I had to buy a new battery after I experianced what you did. The wires under my seat were also in a right state (my neutral light going on when my key wasnt in, etc) so I got a guy to fix that up and ever since i've been smooooth sailin'

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

well im going to buy a multimeter today if i cant find out what the problem is i mite just have to take it to the garage although £££ are a bit short a moment. Thumbs Up

ljwalker · Nitrous Nuisance Joined: 19 Jan 2008 Karma :

i was speaking to my dads mate and he thinks it is the altenater that is the problem. Rolling Eyes