I wanted to see if I could get members opinion on what should be the useful life expectancy of a battery on my 2003 ZX12r? It is the mfg spec'd Yausa battery and installed new in June 2010. I recently experienced a situation where it started right up, I rode it for about an hour, parked it, and when I came out to start it up again, it had no juice at all. Everything went dead. I turned the key off, waited about 60 seconds, turned it back on and it came back to life, fired up and the clock and odometer were reset as if there was a complete disconnect of the battery. I rode it 20 minutes back to my garage and it sat for a week before I went to start it again. It fired right up and I rode for 10 minutes to run and errand and when I came out the bike was turning over very slowly and would not bump start when attempted. I put my battery tender on it for about 12 hours and according to the tender it was over 80% charged, and it fired right up. I do keep the battery on a tender all winter. Any thoughts on where to start trouble shooting to figure out if it's the battery, charging system or something else? Thanks
Battery life expectation on 03 ZX12r
capecafe
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Well, it looks as if the problem is solved. I'm not sure if it simply required a proper charge, or when I was removing/replacing stuff I accidentally fixed something, but it's kept 12.85 vdc on the battery.
Yesterday I put a full charge via the tender then unplugged it (12.85 vdc). I checked 30 minutes later and it still had 12.85 vdc. I checked this morning (24 hrs later) and it had 12.84 vdc. Took it out for a craptastic stop-n-go 95 degree Cape Cod ride for 42 miles at about a 3,500 rpm avg. Check battery voltage when I got home and it was at 12.85 vdc.
Seems to be working the way it always has. Thanks for all your help.
Yesterday I put a full charge via the tender then unplugged it (12.85 vdc). I checked 30 minutes later and it still had 12.85 vdc. I checked this morning (24 hrs later) and it had 12.84 vdc. Took it out for a craptastic stop-n-go 95 degree Cape Cod ride for 42 miles at about a 3,500 rpm avg. Check battery voltage when I got home and it was at 12.85 vdc.
Seems to be working the way it always has. Thanks for all your help.
I would:
Have fun, making some sort of wires off the battery, ride the bike with the volt meter clear taped over the gas tank. I can see where my charge is? I can step on the brake and pull the battery down a lot. I can switch to high beam. And if I keep seeing the v/reg monitor those moves, I can watch real output, not rely on the 3 yellow's outputs?
See my approach you bringing out of window scales and now the bike charges fine?
uzzled: Sounds too code65'ish
But it's your input... :evil::iamwithstupid:
Have fun, making some sort of wires off the battery, ride the bike with the volt meter clear taped over the gas tank. I can see where my charge is? I can step on the brake and pull the battery down a lot. I can switch to high beam. And if I keep seeing the v/reg monitor those moves, I can watch real output, not rely on the 3 yellow's outputs?
See my approach you bringing out of window scales and now the bike charges fine?
uzzled: Sounds too code65'ish But it's your input... :evil::iamwithstupid:
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I was told by the po that I may need a battery soon. When I test my battery it shows 12.5v then when I start it the batter goes from 12.5 and takes it time getting above 13.3v at idle. When I rev it to 3k it jumps to 13.8 then past that it starts dropping off and back down to 13.2v by the time I get to 5k rpm. Does this sound right? shouldn't it hold a higher v? I have read and reread this post and I'm not quite sure. I see where you guys say a 12.6v battery is weak but I also watched the vid that shows a bikes battery resting at less then 12v.
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it will vary at different RPM's and loads (Radiator fan on it will hit 14.3 on my bike)that's what the regulator is for
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No check my video link in this thread post #36
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Honestly everyone should have a Voltage Gauge on there bike to know what normal is and is not
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Always wondered why voltmeters and oil pressure gauges aren't standard equipment. Good info in that battery video Slykittycat
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I paid 80.00 for mine here is one for 4.00 no excuses to not buy one
12V 24V Red LED Digital Car Meter Voltage Gauge Battery Meter Monitor New | eBay
12V 24V Red LED Digital Car Meter Voltage Gauge Battery Meter Monitor New | eBay
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