What did I do??? - Wrist Twisters
 
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post #1 of 6 Old 05-07-2014, 05:34 PM Thread Starter
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What did I do???

OK, so I did valve clearances, replaced plugs, and changed coolant the other day and I've had it running a couple short times since then to warm up and get coolant flowing. This morning I went to go for a ride and she wouldn't start, just an awful clicking sound (see link to audio clip). After attempting to start it won't even go through the gauge routine unless I let it sit for a few minutes; then I can get the gauge sweep and the clicking again when trying to start.

So... dead battery right? My multimeter is showing me 18v, which doesn't make any sense (on a 12v battery). But regardless of its accuracy, is this just coincidence? Did I do something when replacing the plugs that could have drained the battery? Why has it started it twice since then? The bike has over 40k miles and as far as I know it's the original battery so it certainly could just naturally be due for a change, right? But the timing seems fishy.

Any ideas/suggestions? Thanks in advance!

https://drive.google.com/file/d/0B83...it?usp=sharing

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post #2 of 6 Old 05-07-2014, 05:38 PM
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I've been told sometimes a battery will show voltage but have nothing under a load, maybe put your meter on it and hit start see what happens?

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post #3 of 6 Old 05-07-2014, 05:44 PM Thread Starter
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Quote:
Originally Posted by SPYDER View Post
I've been told sometimes a battery will show voltage but have nothing under a load, maybe put your meter on it and hit start see what happens?
Yeah, after attempting to start the meter drops down to next to nothing and then shows a charge building back up after a little while. I think I'll order a new battery anyway, but just wondering if I should check anything else that may be messed up.

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post #4 of 6 Old 05-07-2014, 06:30 PM
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just coincidence, nothing more than a dead battery, or loose battery terminal connection.

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post #5 of 6 Old 05-07-2014, 06:45 PM
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So you need a good volt meter to make any meaningful checks. And you should check out both the starting and (especially) the charging voltages even after you buy a new battery.
You should also have a battery tender so you can maintain a decent state of charge.
Any original battery in a 919 is too old to be reliable.
Mark

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post #6 of 6 Old 05-07-2014, 07:58 PM Thread Starter
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Just confirmed that it is not the OEM battery, but it is a made-in-china Power Source battery. I replaced the 9v in my voltmeter and it seems to work just fine now. The bike battery reads 12.8v until I turn the key to on, then it drops to ~9.8v.

I might go with a Battery Tender lithium (BTL14A240C) for replacement; sepbatteries.com has them for $109.99 with free shipping. Can't find a whole lot of info on them, but the Amazon reviews are decent ($130+ there) and I kinda like the dual terminals.

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