Gz250 battery not charging and stator and rectifier tested please help

jambo6984 · 05-16-2018, 09:08 PM

i desperatly need help my battery on my 1999 Suzuki gz250 isnt charging up anymore and i have no clue what it could be, i have checked the stator and rectifier regulator, the test on the stator showed not grounded and pin to pin showed 00.9 on all three pins and the rectifier showed 0 0 0 , 395,413,406, 0 0 0, 415,389,415, so everything serms to check out i also checked the stator while running it showed 50 to 60 while om choke at about 2,000 rpm, also checked fuses, and the battery is only 2 months old it worked great for awhile then all of a sudden started not charging, not sure about the previous battery when i bought the bike it was dead and looked old, im not sure what else to check, any help would be greatly appreciated

blaine · 05-16-2018, 10:53 PM

Have you load teasted the battery.....Just because it only a few months old means nothing.......
new ones can go bad.Battery should read 12.6 with bike not started.

alantf · 05-17-2018, 07:39 AM

No matter what the salesman says, these batteries should ALWAYS be charged before fitting them.

jambo6984 · 05-17-2018, 03:36 PM

I havent load tested yet, because i dont have a charger yet, and the battery isnt powerfull enough to start the bike anymore, it does give a good couple of cranks everyday before giving up but it takes more than that to start for the first time of the day, the battery is reading 11.6 right now not started, i will test while running today and possibly take to advance for them to test, i did mess up and not charge when i got the battery, i will let you all know the results this evening, starting to think the regulator messed up in the rectifier diodes tested good but someone told me they should be 5 or over and mine is 3 almost 4, thanks to everyone that took the time to respond and try to help

derbydave · 05-17-2018, 07:09 PM

Did you check all 3 phases of the stator while running. Check 1 and 2, 2 and 3, and 3 and 1. All phases should be producing AC current while running.

jambo6984 · 05-17-2018, 08:55 PM

Yeah i checked the all the phases while running and it was putting out roughly about 60 volt ac and i did it in that order i also checked the battery today while running and not running it read 11.70 with the engine off and read about 12.70 idling and went up to 13.50 reving up couldnt go past 13.60 at most no matter how much gas i gave do you think the rectifier regulator is good because some places on the web say the multimeter reading should be 5 something or over, i just dont want to do this again in 2 months because the new battery im pretty sure read 14 when new but my charging part is only putting out 13.60 at most the battery is under warranty but would like to get to the root of the problem so i dont have to do this again thank you for your help, i really appreciate it

jambo6984 · 05-17-2018, 09:06 PM

If you all think all of those readings are ok, it might just be the battery as blaine said, its just concerning because the battery was great for the first month and a half then it started dying slowly like thete was no charging at all now it cranks 2 times and is done, i guess it is charging them 2 cranks everytime lol hope hear back from you all to see if those readings are good if so then the battery is the culprit and i can get it replaced i just gave to send a picture of a volt reading of the 11.60 i will wait to do anything till i hear from you all thanks

jambo6984 · 05-17-2018, 10:55 PM

Sorry to post 3 times today i just wanted to let you know went to go take a picture to send in for my replacement battery and now my meter says the volts are 12.03 not running but i did ride it to the store and back after push starting it soon as i try to crank it a couple of times im surs it go right back down to 11.60 or close thanks again

derbydave · 05-17-2018, 11:59 PM

Take the battery to an auto store and see if they can load test it for you

Water Warrior 2 · 05-18-2018, 01:26 AM

The battery may be the culprit. The charging system may be fine but if the battery is not retaining a charge it is toast. Years ago I had a sudden full charge on the amp gauge in a cage which was a first for me. The alternator was doing it's job but the battery would not hold a charge.

05-16-2018, 09:08 PM	#1
jambo6984 Junior Member Join Date: May 2018 Posts: 9	Gz250 battery not charging and stator and rectifier tested please help i desperatly need help my battery on my 1999 Suzuki gz250 isnt charging up anymore and i have no clue what it could be, i have checked the stator and rectifier regulator, the test on the stator showed not grounded and pin to pin showed 00.9 on all three pins and the rectifier showed 0 0 0 , 395,413,406, 0 0 0, 415,389,415, so everything serms to check out i also checked the stator while running it showed 50 to 60 while om choke at about 2,000 rpm, also checked fuses, and the battery is only 2 months old it worked great for awhile then all of a sudden started not charging, not sure about the previous battery when i bought the bike it was dead and looked old, im not sure what else to check, any help would be greatly appreciated Login or Register to Remove Ads
	0

05-16-2018, 10:53 PM	#2
blaine Senior Member Join Date: Feb 2010 Location: P.E.I. Canada Posts: 3,784	Have you load teasted the battery.....Just because it only a few months old means nothing....... new ones can go bad.Battery should read 12.6 with bike not started. __________________ If at first you do succeed, try not to look surprised.
	0

05-17-2018, 07:39 AM	#3
alantf Senior Member Join Date: Nov 2008 Location: Tenerife (Spain) Posts: 3,719	No matter what the salesman says, these batteries should ALWAYS be charged before fitting them. __________________ By birth an Englishman, by the grace of God a Yorkshireman. Login or Register to Remove Ads
	1

05-17-2018, 03:36 PM	#4
jambo6984 Junior Member Join Date: May 2018 Posts: 9	Battery testing progress so far I havent load tested yet, because i dont have a charger yet, and the battery isnt powerfull enough to start the bike anymore, it does give a good couple of cranks everyday before giving up but it takes more than that to start for the first time of the day, the battery is reading 11.6 right now not started, i will test while running today and possibly take to advance for them to test, i did mess up and not charge when i got the battery, i will let you all know the results this evening, starting to think the regulator messed up in the rectifier diodes tested good but someone told me they should be 5 or over and mine is 3 almost 4, thanks to everyone that took the time to respond and try to help
	0

05-17-2018, 07:09 PM	#5
derbydave Senior Member Join Date: Jan 2017 Location: KS Posts: 103	Did you check all 3 phases of the stator while running. Check 1 and 2, 2 and 3, and 3 and 1. All phases should be producing AC current while running. __________________ 2003 Suzuki GZ250 (Sold) 1986 Suzuki Cavalcade LXE 1986 Suzuki Intruder VS700 Login or Register to Remove Ads
	0

05-17-2018, 08:55 PM	#6
jambo6984 Junior Member Join Date: May 2018 Posts: 9	Yeah i checked the all the phases while running and it was putting out roughly about 60 volt ac and i did it in that order i also checked the battery today while running and not running it read 11.70 with the engine off and read about 12.70 idling and went up to 13.50 reving up couldnt go past 13.60 at most no matter how much gas i gave do you think the rectifier regulator is good because some places on the web say the multimeter reading should be 5 something or over, i just dont want to do this again in 2 months because the new battery im pretty sure read 14 when new but my charging part is only putting out 13.60 at most the battery is under warranty but would like to get to the root of the problem so i dont have to do this again thank you for your help, i really appreciate it
	0

05-17-2018, 09:06 PM	#7
jambo6984 Junior Member Join Date: May 2018 Posts: 9	If you all think all of those readings are ok, it might just be the battery as blaine said, its just concerning because the battery was great for the first month and a half then it started dying slowly like thete was no charging at all now it cranks 2 times and is done, i guess it is charging them 2 cranks everytime lol hope hear back from you all to see if those readings are good if so then the battery is the culprit and i can get it replaced i just gave to send a picture of a volt reading of the 11.60 i will wait to do anything till i hear from you all thanks
	0

05-17-2018, 10:55 PM	#8
jambo6984 Junior Member Join Date: May 2018 Posts: 9	Sorry to post 3 times today i just wanted to let you know went to go take a picture to send in for my replacement battery and now my meter says the volts are 12.03 not running but i did ride it to the store and back after push starting it soon as i try to crank it a couple of times im surs it go right back down to 11.60 or close thanks again
	0

05-17-2018, 11:59 PM	#9
derbydave Senior Member Join Date: Jan 2017 Location: KS Posts: 103	Take the battery to an auto store and see if they can load test it for you __________________ 2003 Suzuki GZ250 (Sold) 1986 Suzuki Cavalcade LXE 1986 Suzuki Intruder VS700
	0

05-18-2018, 01:26 AM	#10
Water Warrior 2 Senior Member Join Date: Dec 2006 Location: Squamish B.C Canada Posts: 11,409	The battery may be the culprit. The charging system may be fine but if the battery is not retaining a charge it is toast. Years ago I had a sudden full charge on the amp gauge in a cage which was a first for me. The alternator was doing it's job but the battery would not hold a charge.
	0

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