Question about 2008 kawasaki Vulcan 900 Custom

1 Answer

Not charging battery

Bikes starts well goes well but wont hold it charge every time we pull leads of battery cuts out..

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  • kawasaki Master
  • 1,554 Answers

Sounds like its your charging system, either the alternator or regulator/rectifier.

Posted on Dec 28, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

cape cod bob
  • 292 Answers

SOURCE: kawasaki zepher - stalled and now wont start

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

goofduck
  • 490 Answers

SOURCE: Problem with charging system. With a fully charged

the voltage regulator is bad

Posted on May 06, 2009

rockitman187
  • 2559 Answers

SOURCE: charging problem/no start 95 ninja zx6r

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.


Please rate this fixya

Posted on May 15, 2009

  • 18 Answers

SOURCE: kawasaki zxr died after a run.new battery

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

  • 311 Answers

SOURCE: 1993 Kawasaki 750R - Charging issue - Weird!!!

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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1 Answer

Brand new battery ride for an an hour and then bike just dies


Hi, did you charge the battery before use? Is the battery maintenance free or top up type as both need to be charged before using for the first time. Take battery out of bike (make sure you remove the negative lead first) and charge at no more than 1 amp for as long as possible. When charging is completed refit the battery (make sure you refit the positive lead first). You then need to make sure the battery is being charged by the alternator/rectifier circuits. Start the bike connect a volt meter set to DC (use a range of more than 20 volts) across the battery (make sure red lead goes to positive). The reading you get should be at least 12.5 volts, start engine and increase the revs slowly and you should see a rise in voltage to about 14.4 volts. Decrease revs slowly and watch the meter it should either remain near or above 14 volts or drop to about 13.5 in either case your bike is working OK. Hope this helps.

PS if you do not get these readings on your meter with the engine running I would look at the rectifier. They do cook themselves and blow up from time to time

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1 Answer

Battery won't hold a charge


If your battery will not hold a charge when it has been taken out of the bike and charged in a stand-alone setting, then one or more of the cells has become sulfated and has gone "dead." Also, as lead acid batteries age, each cell naturally loses the ability to hold its full charge, even if they're still providing the right voltage. I've found that motorcycle batteries are finicky--I've had brand name batteries fail after a single riding season, and I had one generic battery that lasted me for 4+ years of steady riding in summer heat and New England winter cold.

If your battery will hold a charge (and pass a battery load test, available for free at just about any auto parts store) when it is out of your bike but goes dead after it's installed in your bike, you have an open circuit in your bike that is draining the battery even after the key has been pulled from the ignition. One way to check for this problem is by going to the fuse box and pulling each fuse, one at a time, and using a multimeter to bridge the fuse terminals to see if current is present. Unless you have something like an electronic alarm and/or a clock built into your instrumentation, you should see no voltage across any of the fuse terminals. If you do see voltage, then it's time to start troubleshooting why this is occurring. The most likely places for a short circuit are in the ignition switch itself (an internal contact may have gotten distorted and thus provide power even when it shouldn't be) and, less likely, if the insulation has worn through in the hot lead off your battery or any of the wires that branch off that lead.

I would not be surprised if your battery has sulfated and simply needs to be replaced.

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1 Answer

1992 yamaha fzr 600 genesis just went dead a day after riding. put new battery in and it worked for acouple days but wont hold a charge. its now dead again.


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Mar 27, 2011 | 1992 Yamaha FZR 600

1 Answer

How would i know if my vfr400nc21 is charging or if the batry pact up


You can get a cheap volt meter at an auto store. Place the red lead on the + and the black lead on the negative and start the bike up. Usually the battery isn't charging under 3000rpms but it varies depending upon the bike. If you notice that the battery goes up while you are holding your rpm above that roughly 3000 mark, then you know your charging system is working. But before you even go into all of that, bring the battery to a local auto place that can check it to make sure you don't have a bad battery. Some will hold a charge enough to turn the motor over, but not enough to fire it up. Goodluck!

Bruno

Oct 21, 2010 | 1988 Honda VFR 400 R NC24

2 Answers

Battery will not charge


To check your charging system, first, you must have a fully charged battery in the bike. Start the bike up and using a DVOM (digital volt ohm meter) put the red lead on the positive post and the black lead on the negative post. Put the meter in DC Volts, 50 volt range. Idle the bike up a bit and you should read about 14.5 to 14.8 volts.

If you don't get anymore than 12.6 volts at the battery. Go to the left side of the engine and pull the connector for the stator at the front of the engine. Put your meter in AC volts, 50 volt range. Touch one meter lead to one pin and the other to the other pin. It makes no difference which lead goes where just don't allow the lead to touch the engine case. Your meter should read 25-35 Volts AC at this point. Notice the AC, not DC, voltage at the stator. Make sure your meter is in DC at the battery test and AC at the stator test. If you have less than 15 volts at the stator, your stator is bad. If the voltage is where it should be at the stator, you voltage regulator is probably bad.

Good Luck
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put a volt meter across the battery terminals, should read over 12v stopped and rise to 13.5v with the engine running.
If the voltage doesnt rise there is a problem with the charging circuit.
Be carefull starting from a car, as this can cause damage to the bikes electrics, as the bike tries to produce enough amps to charge up the car when the bike starts, and overcook electrics.

Apr 19, 2010 | 2002 Harley Davidson FXD Dyna Super Glide

1 Answer

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Hi,

If you haven't put a new, properly charged battery already, do so.

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Aug 27, 2009 | 2001 Yamaha YZF-R6

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My 2000 harley davidson motorcycle wont hold a charge


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The bike wont run unless you charge the battery first


Hi!

Take a look on the generator, thats the one charging the battery, the coals in the generator might be needed to be replaced, there are two of them, Also check the two cables from the generator so they arent dameged or broken.
You can take the bike to a repaire shop and ask them to help you measure if the generator gives enough power to charge the battery or on, the can measure the power on the generator and they can measure the power coming to the battery.

Im sure the the problem is the generator or the cables from the generator

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1 Answer

Want hold a charge


get a test light and a schematic. unplug stator plug.start bike ,make sure battery has full charge. test each pin on connector that is attatched to the 3 yellow wires.should light on each pin. if all good check for burn marks around connectors, front & back sides, and on wires. if no power on yellow wires, stator problem. if power, plug connector together, now test for voltage in wires on the voltage regulator side of the connector, to see if the voltage is making it through the connector.if there is power to volt. regulator,test w/ multi meter across battery leads to see if there is charging voltage to battery,approximately 13-15 volts. if only battery voltage(12.2 or less) while bike is running,voltage regulator is no good.if charging good, but bike wont start after prolonged sitting(say overnight) a system amp draw test is needed to see if something is staying powered up while bike is not running, drawing down battery.

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