I've changed the regulator and stator and it wont charge.the longer it runs the less it charges
SOURCE: Battery not charging
I don't of specific problems with Kawa electrics. I assume you have checked the charge voltage across the battery. Get the engine running and measure the voltage at the battery terminals. The voltage should be between 13.5 & 14.5v with engine running. If your meter shows 12v, then the battery is not receiving a charge. I once had this problem on an old Suzi GT380. The fault was caused by an earth wire missing! Make sure the regulator and rectifier are earthed. Assuming all the above is ok then the stator may be burned out. recommend the Haynes Motorcycle Electrical Manual.
SOURCE: Alternator not charging battery on getting 11.5
I had the same problem with my 900 that I just bought, the regulator was fried, so the local kaw shop replaced it with a new one off internet, then it promptly fried the new one, upon further investigation the rotor/armature was reading 1 ohm resistance, supposed toread 4/7 i think anyway, had to have alternater rebuilt , cost 370.00 , works fine now.
SOURCE: not charging, removed the regulator, has three
(I am the author of the reference thread on TriumphRat that wasposted by another respondent)
Not personally intimate with the Vulcan, but this is a 'conventional' motorcycle 3 phase stator energized by a crank driven magnetic rotor.
The stator is connected in delta to the R/R. There should be NO measurable resistance from any of the three stator output terminals to engine ground - it should be completely isolated. If you can measure a low resistance (not clear if your 0.2 ohms is from terminal to terminal or terminal to engine ground) then your stator is fried.
Regarding the R/R connections - the third wire on the output is one of two functions (unfortunately without benefit of a schematic I cannot definitively conclude for you): either a 'voltage sense' wire, or in some Kawasakis they feed one phase of the stator output back out again for use in the starter cut/latch circuit. It should be reasonably easy to differentiate which it is.
Good Luck!
SOURCE: KAWASAKI VULCAN 1500 CHARGING PROBLEM
If you are getting 13volt output and it revs and gets 14.5volts it would appear to be charging. As you would get a drop in voltage if it were not. Stator is there for working. Check your voltage relay as it may be sticking which would cause it to run on system and not be sending charge to battery. Poor ground would also keep battery from being properly charged
SOURCE: new stator cover bike wont start
useing a multimeter set to d.c check your charge at the battery whith out the motor running it should read above 12 volts determine the voltage stored in the battery with the meter stil conected hit the start button if the meter shows a dramatic drop in voltage its almost certain that the battery is shot howevwer if the voltage does not drop & it wont start bump start it conect the meter still set on dc increase the revs asyou do this the voltage should climb to 13.50 if it does & maintains 13.50 to 13.65 the chargeing system can be declared ok & you only need replace the battery however if it goes above 14 volts the voltage regulator is faulty & cooking the battery so you will need to replace both
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