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Nov 20th, 2011, 4:32 pm
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#1 (permalink)
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Senior Member
Join Date: May 2011
Location: London, , UK
Posts: 1,235
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Battery Help!
After being recommended Racing Batteries by Tim & Kev at Spirit of the Seventies, I spoke with them and they recommended that instead of swapping out my OEM YT12B BS battery with the direct replacement - their RB 400010
RB400010 Racing Battery they suggested two small units, wires in parallel, which are here... RB120010 Racing Battery
They've now been hooked up as they should, but the bike won't start. Cold cranking amps are supposed to be enough, but amp hours are decreased. My local tech thinks the ECU demands more power.
Can anyone who understands these things help?
Thanks
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Nov 20th, 2011, 5:09 pm
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#2 (permalink)
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Senior Member
Join Date: Dec 2008
Location: Munich, Bavaria, Germany
Posts: 1,981
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Quote:
Originally Posted by LondonDutch
After being recommended Racing Batteries by Tim & Kev at Spirit of the Seventies, I spoke with them and they recommended that instead of swapping out my OEM YT12B BS battery with the direct replacement - their RB 400010
RB400010 Racing Battery they suggested two small units, wires in parallel, which are here... RB120010 Racing Battery
They've now been hooked up as they should, but the bike won't start. Cold cranking amps are supposed to be enough, but amp hours are decreased. My local tech thinks the ECU demands more power.
Can anyone who understands these things help?
Thanks |
Have you read this…
"You will also need a bigger battery if you have a Ducati or BMW motorcycle fitted with the stock ECU"
You have to replace the stock YT12B-4… so the type you have chosen is to weak…
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Nov 20th, 2011, 5:14 pm
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#3 (permalink)
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Senior Member
Join Date: Dec 2008
Location: Munich, Bavaria, Germany
Posts: 1,981
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Nov 21st, 2011, 12:04 am
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#4 (permalink)
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Senior Member
Join Date: Apr 2009
Location: Cambridge, , England
Posts: 161
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LD - I initially fitted a slightly smaller battery but it didn't have enough power. The guys at Racing Batteries exchanged it for the RB400010.
I then had a tray made up to about a third of the depth of the battery, cut a section out of the undertray and mounted it where the regulator originally sat. I'll post some pictures latter this morning.
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Nov 21st, 2011, 12:10 am
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#5 (permalink)
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Senior Member
Join Date: Oct 2010
Location: SAN FRANCISCO, CA, USA
Posts: 199
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Here's what I'm running. So far, so good. It's mounted under the seat where the regulator used to be.
Shorai Lithium Iron LiFePO4 Battery LFX14A2-BS12
Quote:
Originally Posted by LondonDutch
After being recommended Racing Batteries by Tim & Kev at Spirit of the Seventies, I spoke with them and they recommended that instead of swapping out my OEM YT12B BS battery with the direct replacement - their RB 400010
RB400010 Racing Battery they suggested two small units, wires in parallel, which are here... RB120010 Racing Battery
They've now been hooked up as they should, but the bike won't start. Cold cranking amps are supposed to be enough, but amp hours are decreased. My local tech thinks the ECU demands more power.
Can anyone who understands these things help?
Thanks |
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Nov 21st, 2011, 3:27 am
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#6 (permalink)
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Senior Member
Join Date: Apr 2009
Location: Cambridge, , England
Posts: 161
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LD - Have a look at this thread
Slipper Clutch & LiFePo4 Battery
If you interested I can measure up the pan too.
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Nov 21st, 2011, 6:09 am
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#7 (permalink)
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Senior Member
Join Date: May 2011
Location: London, , UK
Posts: 1,235
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Thanks for these replies guys.
Racing Batteries have offered me a choice of either a third unit (free of charge) or to swap out with the RB400, also FOC. Can't say fairer than that - and if it ran your bike without trouble, Hoppy, then I would expect similar success...?
These things are always a bit trial and error.
__________________
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Nov 21st, 2011, 7:04 am
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#8 (permalink)
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Senior Member
Join Date: Mar 2008
Location: Odessa, FL, USA
Posts: 665
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Quick question about those batteries guys.... Can you still use the battery Tender on them?
Just curious...
__________________
CU3RVO
2006 Monoposto, Yellow...
When asking a Ducati owner if he had any problems with his bike, his response was:
"The only problem I've had is attractive women divesting themselves of their clothing and rubbing their naughty bits on my leg while they lick the gas tank. Makes it hard to pull away from a red light,...... sometimes." 
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Nov 21st, 2011, 7:20 am
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#9 (permalink)
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Senior Member
Join Date: May 2011
Location: London, , UK
Posts: 1,235
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Quote:
Originally Posted by CU3RVO
Quick question about those batteries guys.... Can you still use the battery Tender on them?
Just curious...
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They tell me that you look after the battery in the same way as any normal unit, and that includes running an Optimate, or similar.
__________________
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Nov 21st, 2011, 7:29 pm
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#10 (permalink)
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Senior Member
Join Date: Oct 2010
Location: SAN FRANCISCO, CA, USA
Posts: 199
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On mine you need a special charger. 6amp I think. It's $50 and does a complete charge in 10 minutes.
Something like this, though mine is the Westward 1JYV4A.
Westward 1JYU5 Battery Charger, 6/12V (M), 55 A Start
Quote:
Originally Posted by CU3RVO
Quick question about those batteries guys.... Can you still use the battery Tender on them?
Just curious...
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