Question about 2009 Hyosung GT 650

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Regulator not charging battery

Hi, i had a problem were the bike just died with the battery, changed the battery and the problem has not been resolved, so checking the regulator found that it has been burnedout, so got a new one and still the matter has not been resolved, the voltage all it fine on the regulator but does not want to do any charging at all, ichecked the magneto and not sure what the voltage should be, it gave me 1.2 should that be correct???? also i noticed that the oil level wire when conected the side stand relay does not work what can be the wiring problem, please need some advies.

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  • Hyosung Master
  • 25,695 Answers

Check there is A/C voltage feeding the regulator and there is no wiring issue.

Posted on Mar 20, 2014


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Posted on Jan 02, 2017

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SOURCE: Starts ok .But on the road jerks .

Check for water in the carb
But it may just be the alteration you've made to fuelling
did it start when the exhaust was altered,
if so you know what to do.
Ride Safe

Please mark this as useful (if it has been!!)

Posted on Aug 03, 2009

  • 365 Answers

SOURCE: My problem is that I have to charge the bike just

sounds like you may have damaged the stator or another part of the ignition system when it shorted. the bike will only run while the battery has power as it is not being charged when the bike is running. when my stator went on the Harley it collapsed the battery and the bike just stopped, all the acid went over my primary cover and ruined the chrome, it was 1 week out of warranty at the time

Posted on Jun 26, 2010

  • 333 Answers

SOURCE: 2008 Hyosung GT650S

What I would suggest then is to bridge the side stand switch. If the switch stays open circuit, it will never start but if you bridge the wires before the switch then the bike should start and have now solved the problem for the interim or you if it does not start you know you have to look elsewhere.

Please get back if you require anything else or give favorable feedback.

Thank you

Posted on Sep 24, 2011

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2006 firebolt 1200 battery gose dead while riding and bike dies

I guess we are talking about a Buell
You more than likely have a charging issue.Start bike and check volts at battery it should be around 14.5 volts (with bike running) if not its not charging (stator or regulator)

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1975 susuki tc185 battery dies what do i change for it to charge? the battery is good it runs for a bit then dies when the battery goes weak

first get hold of a volt meeter to see if the bike is charging the battery if its not charging then its likley to be the voltage regulator broke down its just a bolt on part and there is nothing you can do to it to fix it as its a "potted unit" if it is charging up the battery ok then check the battery it could be at the end of its life and cannot hold a charge or is not taking a charge the battery volts should read about 12.5 volts when not running and between13.5 - 14.5 volts when running but it may still not be putting out any amps

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Bike hasn't been running for months. change of owner. low batt. Boosted off truck. All four cable leads conected, ''truck to bike'',truck started, main fuse blows: 1-stator coil de-magnitized ...

First of all, when boost starting a bike from a auto make sure the auto is NOT running. The auto battery has more than enough power all by itself.

The most likely is 4) None of the above. The truck's charging system put more than 30 amps into the bike's electrical system and blew the fuse.

Get a new bike battery and fully charge it. Then go from there. If you really want to see if the bike will run before buying a new battery go ahead and hook up the cables to the truck battery and try it with the truck off.

A faulty alternator/regulator/rectifier should have no effect on the bike actually starting or turning over. Only the output of the charging system would be affected, possibly causing the bike to die when the cables are removed. My '78 Honda would not run at all without battery power, not sure if the Kawasaki is the same or not.

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Hi and welcome to FixYa,

Initially, have you checked the 30 Amps main fuse and its holder clips? It would be integrated with the starter relay. The fuse or the fuse holder may have heat related problem(s) causing it to loose conductivity when hot.The fuse may require replacement even if it tests good and/or the fuse holder would need cleaning / crimping. To locate the starter relay (main fuse), follow the battery cable from the + terminal of the battery.

Please postback results.

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My bike dies when coming to a stop i belive it is a electrail problem because after being placed on a charger it works also after one or two times the bike will not start with out a jump start

HI and welcome to FixYa,

If I may add to Smithbrother's post, another possibility to consider is that the regulator is failing or has failed completely. The regulator is responsible for managing just how much current is allowed through to charge the battery. A simple test is to check the battery voltage when idling (about 12.5 ~ 13 VDC) as opposed to 14.5 @ 4000 RPM. The change indicates that the regulator is putting out charging current. A least likely possibility is loose or burned/tarnished connectors of the 3 yellow wires from the stator to the regulator.

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Ck fuses and wire connections first. If no problem seen, get bike running and disconnect the ground cable @ battery. If bike dies the problem generally is in the stator or regulator assembly not keeping battery charged. Bike will run untill the battery is too low to keep the ignition system energized and the bike will die. If it continues running w/the ground disconnected, the battery could have a dead cell which will drain the battery in a very short time whether it is running or not.

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New battery, tight connections, start the bike up and dies approx. 10-15 min. later. will not turn over the battery is dead, while driving the lights become very dim before the bike dies. it is a 1997...

Hello James
Hearing your problem strikes right at me. My old Jeep Cherokee had the same problem. You have two possible problems, alternator and regulator. Luckily for you, both can be taken to any good sized auto parts store and tested for free:) The reason it dies is that the bike uses electricity to generate sparks at the spark plugs, if you don't have something to resupply the battery(ie:alternator) then it will slowly die(also causing the lights to dim more and more). The alternator could not be charging the battery, or the regulator could be not allowing the alternator to charge the battery.Taking the out could become quite difficult, my GoldWing makes it extremely hard, but the rest of the job should be easy.

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