Question about 2008 kawasaki Vulcan 900 Custom
Bikes starts well goes well but wont hold it charge every time we pull leads of battery cuts out..
Sounds like its your charging system, either the alternator or regulator/rectifier.
Posted on Dec 28, 2013
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Posted on Jan 02, 2017
poor fuel, gummed up carbs. blocked fuel filter, if you in the US get some Berrymans B12 double the dose and put it in the gas, hopefully you can get it to turn and draw it through to the carbs, it should clean them out, also you can try the berrymans spray carb cleaner, remove air cleaner, make sure slider in carb is up and spray a bunch in.
did you have lights when it died or nothing at all?
Posted on Apr 03, 2009
If lights dim when trying to start,Battery is to weak(may have 12 volts but not enough amps)
Bike dieing when removing power from jumper says the lighting coil on the stator plate is bad and this could also have killed the voltage regulator,Which would kill the battery by over charging it.
Hesitation and carbon smell could be from a non firing cylinder.
So,Take the battery and have it load tested (free at most auto part stores)
Check for power from the lighting coil on the stator
Replace the voltage regulator.
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Posted on May 15, 2009
How long did you charge the new battery before you ran the bike?
I'd have given it a minimum of 6 hours on a trickle-charger.
If you did this then you have got a problem with your charging system as Yeskimoe said, although i've not seen reg/recs give trouble on big Kawis.
Get the battery fully charged again then...
..put a voltmeter across your battery (red to positive, black to negative, 20V DC range)) and rev the bike to 4000 rpm, you should show around 14.5 volts, much less than this and the charging circuit is suspect.
The alternator belt might need tensioning.
Posted on Jun 17, 2009
i know this sounds silly ,but when you bought the battery had it been activated,new batterys are critical in their first charge and you cannot use a standare type automotve charger,if bought dry the battery needs to have the acid filled ,left to sit for at least 2 hours prior to charging,once it has sat for the 2 hrs with the acid in,the new battery will need to be charged with a "cteck"or similar type charger for at least 13 hrs before it can be put into normal service,what happened with yours i think is that sure you gave it a charge but it has only recieved a "surface charge"and will be usable for a very short time,it may recover for a brief period and go again untill the surface charge dissipates,(or in other words ..runs out of charge)best thing you can do with the battery is take it to a auto electrician and have the battery cycled and conditioned,this is not expensive to do and will give you piece of mind,after conditioning the battery shouldngive excellent service,i have the battery in my goldwing coditioned about every 12 months and i have the same battery that was in the bike when i bought the bike 8 years ago and still no electrical or battery problems(costs about $25 to get it done)once a year but that beats $280 for a new one...hope this helps
Posted on Jul 09, 2009
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