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05-08-09, 08:32 PM
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#1 |
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Guest
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12.4v at tickover, is reg rec knackered?
As per the title. Had to jump start bike due to a dead battery. Multimeter shows 12.5v across the battery at tickover, rising to 14v at above 4-5k revs, just headlights switched on. Switch heated grips on that drops below 12v at tickover. Is my regulator/rectifier knackered? Thanks
Last edited by -Ralph-; 05-08-09 at 08:34 PM. |
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05-08-09, 08:40 PM
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#2 |
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Re: 12.4v at tickover, is reg rec knackered?
How old is tha battery?
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05-08-09, 08:41 PM
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#3 | |
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Re: 12.4v at tickover, is reg rec knackered?
Quote:
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05-08-09, 08:44 PM
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#4 |
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Member
Join Date: Aug 2007
Location: nr. Ashby-de-la-Zouch
Posts: 335
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Re: 12.4v at tickover, is reg rec knackered?
Reg/rec sounds alright to me - won't do a lot at tickover but should cap charging voltage at 14-15V by 5000rpm-ish.
If you're having trouble, from what you have written, I would be suspecting battery could be a bit tired.
__________________
Spannering the wife's SV650S K5 pointy in Black, and son's SV650 X curvy in Blue. RIP SV650 X curvy, crashed and written off December 2019. I'm (procrastinating about) fixing up an old Yamaha FZ600 to get myself fully back on the road. Last edited by Ruffy; 09-08-09 at 05:23 PM. Reason: Corrected 500->5000 |
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05-08-09, 08:44 PM
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#5 |
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Re: 12.4v at tickover, is reg rec knackered?
methinks battery goosed then
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05-08-09, 09:46 PM
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#6 | ||
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Re: 12.4v at tickover, is reg rec knackered?
Quote:
Quote:
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05-08-09, 09:51 PM
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#7 | |
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Member
Mega Poster
Join Date: Jan 2004
Location: Whyteleafe
Posts: 3,395
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Re: 12.4v at tickover, is reg rec knackered?
Quote:
There doesn't sound like any faults other than the battery not holding charge. 3-4 years is about all they last with normal use, and when my battery died it wouldn't hold starting charge for even 8 hours after a 50 mile ride.
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Silver SV650SK3, Fuel exhaust |
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05-08-09, 10:08 PM
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#8 | |
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Re: 12.4v at tickover, is reg rec knackered?
Quote:
   I think I should stop drinking Glenfiddich and go to bed.Thanks for the advice guys, if it shouldn't be charging until 5k then it seems fine. I'll get a new battery. Goodnight 
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06-08-09, 10:02 AM
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#9 |
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Guest
Posts: n/a
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Re: 12.4v at tickover, is reg rec knackered?
Give batteryman a pm!! Youll be glad you did
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06-08-09, 10:53 AM
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#10 |
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Guest
Posts: n/a
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Re: 12.4v at tickover, is reg rec knackered?
Try trickle-charging the battery (get an optimate, its a good investment)
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