Won't Start without a boost - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 3 Old 06-28-2009, 06:48 PM Thread Starter
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Won't Start without a boost

for the last 4 days. 07 Wee, 12BS battery only 4 months old. 12.6/7ish volts while connected to the bike. Turn the key and voltage quickly drops to 9.6 which is not enough to start the bike and barely enough to make the starter move.
Voltage will go down as low as 9.2 after a few more seconds.
Bike is ridden daily, the last 4 days I have been connecting it to a 1 Amp trickle charger overnight. Starts right up in the morning but won't a couple hrs later. Thus the requirement for a boost.

I have a .8-.9 Amp current loss testing from - post to - terminal. Book says should be under 3.
I have heated grips connected to the extra receptacle behind the rad and a 12V plug hot wired from the battery for a GPS. This shouldn't be enough to be a problem.

I checked most of the electrical but haven't yet checked voltage at 5000rpm to see what the charging voltage is.

It seem to me like the battery just doesn't have enough capacitance to keep the voltage up while trying to start. Bad battery or weak charging system???

Any ideas, thoughts....

Thanks

Ken

2007 DL650 Gray
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post #2 of 3 Old 06-29-2009, 11:18 AM
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The amp draw without the key turned on should only be 3 mA. If you have close to a one amp draw, something is amiss.

Cheers

K5Wee in Kanada (285,500 KM and still going strong)
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post #3 of 3 Old 06-29-2009, 01:07 PM Thread Starter
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Quote:
Originally Posted by rcacs View Post
The amp draw without the key turned on should only be 3 mA. If you have close to a one amp draw, something is amiss.

Cheers
Thanks for waking me up.

It's .9 MA. not .9 Amp.

Took the cap of my battery and found that it didn't have much electrolyte in it. Don't know if it was serviced properly or the battery burned it off.
Took it back to Canadian Tire in original box, (BTW they give a 1 yr over the counter replacement for this battery), but they would not take it back because I didn't have the receipt.
They agreed to add electrolyte but it doesn't make any difference. Turn on key and the bike runs through it pre start routine as normal but pressing the start switch does nothing.

So I know the battery is phucked. Just need to convince CT to give me a new one. Off I go.. Good thing their only a few KMs away.

Ken

2007 DL650 Gray
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