is it my battery? - or my alternator? - Page 2 - SV650.org

01-05-06, 07:43 PM

Quote:

Originally Posted by RandyO

more than likely your regulator/rectifier is fried, it is the weak point in most motorcycle charging systems, including the SV

as RandyO said have it checked and replace if necessary or you'll fry another battery!!!!!

01-05-06, 08:07 PM

interesting!

cheers guys..... so where is the regulator, how do i check it..... and how much is a new one????

01-05-06, 09:24 PM

does sound identical to the problem i had - when the rectifier was got to some of the contact points had fried. these were replaced and the problem was solved.

01-05-06, 09:52 PM

It's on the left hand side behind the tail plastics!!!

Sid Squid · 01-05-06, 10:06 PM

Wrong, reg/rec is on the right.

Charging problems? Please ignore the "I think" and the "it oughts" and read this thread:

Clickety click

Reg/rec and alternator tests are included, as are suggestions as to what you might do to resolve the situation. Enjoy and digest.

PS: Search.

01-05-06, 10:07 PM

Sorry I get confused

02-05-06, 08:31 AM

cheers mr squid.
i will try that tonight.,.. even though that test involves starting the bike! which may be difficult

1 question though........ if the battery isnt flat.... how can it be a charging problem??????

i gotta say, i like the idea of this rectifier jobby being the solution but i keep thinking starter motor. what would a duff starter motor do?

02-05-06, 11:13 AM

further to previous post.....

ok, im sold on the idea of it being a charging system fault.

the battery obviously doesnt have enough current to start the engine...

so, im hoping the only culprit is the reg/rec, and i havent got a burnt out alternator.
i just hope this hasnt wrecked my new £35 battery!!!

Where can i get a reg/reg cheap??? Suzuki want £130 +vat !!!!!!
A new alternator is £300+
this is a nightmare....

any good bike scrappers in preston area???

will this one on ebay be any use? off a gs650
http://cgi.ebay.co.uk/SUZUKI-GS-650-...QQcmdZViewItem

02-05-06, 07:43 PM

well... after a good while FINDing the regulator / rectifier, i did some testing-

with a battery that gave 12.8v-

no lights, idle - 14.3V
no lights, 5000 rpm - 13.9V
lights idle - 12.3V
lights 5000 - 12.5V

engine idling, RR red/black plug disconnected -
Batt + ----> RR red = 0.1V
Batt - ------> RR Black = 0.05 ish V

PLEASE HELP ME !!!!!!

01-05-06, 09:24 PM	#13
LondonLad Guest Posts: n/a	rectifier does sound identical to the problem i had - when the rectifier was got to some of the contact points had fried. these were replaced and the problem was solved.

01-05-06, 10:06 PM	#15
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Wrong, reg/rec is on the right. Charging problems? Please ignore the "I think" and the "it oughts" and read this thread: Clickety click Reg/rec and alternator tests are included, as are suggestions as to what you might do to resolve the situation. Enjoy and digest. PS: Search. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

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01-05-06, 08:07 PM	#12
branny Guest Posts: n/a	interesting! cheers guys..... so where is the regulator, how do i check it..... and how much is a new one????

01-05-06, 09:52 PM	#14
BILLY Guest Posts: n/a	It's on the left hand side behind the tail plastics!!!

01-05-06, 10:07 PM	#16
BILLY Guest Posts: n/a	Sorry I get confused

02-05-06, 08:31 AM	#17
branny Guest Posts: n/a	cheers mr squid. i will try that tonight.,.. even though that test involves starting the bike! which may be difficult 1 question though........ if the battery isnt flat.... how can it be a charging problem?????? i gotta say, i like the idea of this rectifier jobby being the solution but i keep thinking starter motor. what would a duff starter motor do?

02-05-06, 11:13 AM	#18
branny Guest Posts: n/a	further to previous post..... ok, im sold on the idea of it being a charging system fault. the battery obviously doesnt have enough current to start the engine... so, im hoping the only culprit is the reg/rec, and i havent got a burnt out alternator. i just hope this hasnt wrecked my new £35 battery!!! Where can i get a reg/reg cheap??? Suzuki want £130 +vat !!!!!! A new alternator is £300+ this is a nightmare.... any good bike scrappers in preston area??? will this one on ebay be any use? off a gs650 http://cgi.ebay.co.uk/SUZUKI-GS-650-...QQcmdZViewItem

02-05-06, 07:43 PM	#19
branny Guest Posts: n/a	well... after a good while FINDing the regulator / rectifier, i did some testing- with a battery that gave 12.8v- no lights, idle - 14.3V no lights, 5000 rpm - 13.9V lights idle - 12.3V lights 5000 - 12.5V engine idling, RR red/black plug disconnected - Batt + ----> RR red = 0.1V Batt - ------> RR Black = 0.05 ish V PLEASE HELP ME !!!!!!