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Message started by arteacher on 08/13/11 at 06:12:33

Title: Left lights on.
Post by arteacher on 08/13/11 at 06:12:33

I left my key in the ignition with the ignition on for 2 1/2 hrs yesterday.
Bike wouldn't start. Let it sit for 15 min- started right up. Set it to fast idle for 20 min and shut it down. Did I do any damage? :-?

Title: Re: Left lights on.
Post by ero4444 on 08/13/11 at 06:40:17

Every time you flatten a battery and recharge it, its useful lifetime is shortened, and it's max voltage and capacity is reduced.  Low voltage allows sulfate coating to build on the plates and it's not removed by recharging.

If the battery still starts the bike then keep using it.  When you eventually have trouble starting, then you can bump-start your way home and order a new battery.

On a hot day I don't want to fast-idle my air-cooled bike.

Title: Re: Left lights on.
Post by drums1 on 08/13/11 at 06:40:26

You may need a new battery sooner than you would have. From what I've read, the battery doesn't really get "charged" much while the bike is running. And batteries typically only last 2-3 years, depending.

Title: Re: Left lights on.
Post by Routy on 08/13/11 at 06:45:30

I promise you did not do any note worthy damage in 2.5 hrs.
Besides that, if it started in 15 minutes of setting, the battery was NOT flattened.
But, by all means, fully charge it, either by riding for 4 hrs, or preferably a smart charger overnite.

Title: Re: Left lights on.
Post by justin_o_guy2 on 08/13/11 at 07:07:09

Ive left mine on , not quite that long,but for more than an hour,, & never saw any consequences from it. If youre really wanting to wring every minute of life outta that thing, keep an eye on the water level & hit it with a float charger.

Title: Re: Left lights on.
Post by arteacher on 08/13/11 at 07:15:06


2C2339223E382B29212F384A0 wrote:
I promise you did not do any note worthy damage in 2.5 hrs.
Besides that, if it started in 15 minutes of setting, the battery was NOT flattened.
But, by all means, fully charge it, either by riding for 4 hrs, or preferably a smart charger overnite.

Four Hours? Really? Continuous?

Title: Re: Left lights on.
Post by Routy on 08/13/11 at 07:25:30


6B606069656A6B7170040 wrote:
[quote author=2C2339223E382B29212F384A0 link=1313241153/0#3 date=1313243130]I promise you did not do any note worthy damage in 2.5 hrs.
Besides that, if it started in 15 minutes of setting, the battery was NOT flattened.
But, by all means, fully charge it, either by riding for 4 hrs, or preferably a smart charger overnite.

Four Hours? Really? Continuous?[/quote]
To be safe,......but hard to say really. As was said, there isn't all that much charging going to the battery, and as the voltage comes up, the charge rate goes down too. Not that much of a concern, except that the more time a battery spends at less than full charge, the shorter its useful life will be.  

Title: Re: Left lights on.
Post by Fish on 08/13/11 at 09:32:27


2F203A213D3B282A222C3B490 wrote:
[quote author=6B606069656A6B7170040 link=1313241153/0#5 date=1313244906][quote author=2C2339223E382B29212F384A0 link=1313241153/0#3 date=1313243130]I promise you did not do any note worthy damage in 2.5 hrs.
Besides that, if it started in 15 minutes of setting, the battery was NOT flattened.
But, by all means, fully charge it, either by riding for 4 hrs, or preferably a smart charger overnite.

Four Hours? Really? Continuous?[/quote]
To be safe,......but hard to say really. As was said, there isn't all that much charging going to the battery, and as the voltage comes up, the charge rate goes down too. Not that much of a concern, except that the more time a battery spends at less than full charge, the shorter its useful life will be.  
[/quote]

Unless you have some mega size gas tank no stocker could ever ride continuously for 4 hours at speed.  ;)

Title: Re: Left lights on.
Post by Gyrobob on 08/13/11 at 09:36:50


626969606C636278790D0 wrote:
I left my key in the ignition with the ignition on for 2 1/2 hrs yesterday.
Bike wouldn't start. Let it sit for 15 min- started right up. Set it to fast idle for 20 min and shut it down. Did I do any damage? :-?


All you did was shorten the battery's life a few weeks.

I'd check the acid level, though, to make sure the deep discharge/recharge cycle didn't change things much.

Title: Re: Left lights on.
Post by Markusublime on 08/13/11 at 09:45:22

Its never a good idea to charge a dead battery off a vehicles charging system.when i was in my mechanic trade school we had an instructor give us a demonstration of what happens to an alternator when forced to charge under a heavily loaded condition.an alternator will usually hit it's rated max amperage output at about 12.5v but he loaded the one on the tester down to 12.1v.the alternator we were testing was rated at 90amp output,but at 12v it was putting out almost 200amps it took about 3-5 mins before it started burning up,there was smoke pouring from it and sparks flying out the back.this is why when you buy a new alternator there's usually a tag on it or in the box at states "battery must be fully charged before installation,or you may void warranty" I know sometimes you gotta do what you can to get going,but whenever possible use a charger to charge a dead battery and not the charging system.

Title: Re: Left lights on.
Post by Gyrobob on 08/13/11 at 09:53:06


416D7E67797F796E606561690C0 wrote:
Its never a good idea to charge a dead battery off a vehicles charging system.when i was in my mechanic trade school we had an instructor give us a demonstration of what happens to an alternator when forced to charge under a heavily loaded condition.an alternator will usually hit it's rated max amperage output at about 12.5v but he loaded the one on the tester down to 12.1v.the alternator we were testing was rated at 90amp output,but at 12v it was putting out almost 200amps it took about 3-5 mins before it started burning up,there was smoke pouring from it and sparks flying out the back.this is why when you buy a new alternator there's usually a tag on it or in the box at states "battery must be fully charged before installation,or you may void warranty" I know sometimes you gotta do what you can to get going,but whenever possible use a charger to charge a dead battery and not the charging system.


What Markusublime says is gospel, but I wonder how that reality affects the wimpy little alternator on a Savage?

Title: Re: Left lights on.
Post by Serowbot on 08/13/11 at 09:54:20

Idled for 20 min. ?...  Did you blue your pipe?...

Mine sure would,...
...'cept, it can't get any bluer than it already is... ;D...

Title: Re: Left lights on.
Post by arteacher on 08/13/11 at 11:38:44

Fast idle- 2000 rpm.

Title: Re: Left lights on.
Post by arteacher on 08/13/11 at 11:40:59

Not topic related: Marcusublime- check your pm's if you want to check out the Corbin.

Title: Re: Left lights on.
Post by mmosel on 08/14/11 at 00:18:10

My battery has been freaking amazing. It's sat through multiple winters where it wasn't even started for a couple of months.

Eventually, about a year or so ago, I had a hard time getting it to start. I pulled out the battery and filled up the levels with distilled water. I then charged it on a slow charger and put it back in the bike. Started up great.

I then decided to try one of these silly solar trickle charger things on the bike. I left it on for a day and a night, and when I went to start the bike - battery was drained. The doohicky said it had a circuit to prevent loss of charge. Didn't work for me. I threw it away.

I recharged it again. Worked great.

I recently moved, and I had to put my bike in storage for about 2 months. When I finally went to try to start it, it turned over fine. Except I was out of gas. I tried to start it until I couldn't turn it over any more. I pulled the battery, brought it home and charged it fully, and then trickle charged it twice for about 12 hours each time. I took it back, put it in, added some gas and it fired up on the first try.

I was all set to fork over the 80 bucks for a replacement, but it is still going strong. I know I'll have to replace it soon, but it's been amazing. I've had it for 6 years now probably. It's a Yuasa.

Title: Re: Left lights on.
Post by Routy on 08/14/11 at 14:49:48


2A212128242B2A3031450 wrote:
Bike wouldn't start. Let it sit for 15 min- started right up.

What some have missed here, is that the battery was nowhere close to stone dead.
If a battery is stone dead, no amount of time setting is it going to start the bike.

Title: Re: Left lights on.
Post by Gyrobob on 08/14/11 at 18:00:34


4D4258435F594A48404E592B0 wrote:
[quote author=2A212128242B2A3031450 link=1313241153/0#0 date=1313241153]
Bike wouldn't start. Let it sit for 15 min- started right up.

What some have missed here, is that the battery was nowhere close to stone dead.
If a battery is stone dead, no amount of time setting is it going to start the bike.
[/quote]


This is true.  

There are three types of "dead" batteries.
1.  Broken -- will never work again  (sulfated plates, internal short, no electrolyte (sulfuric acid solution), etc.).  The bike won’t even click when you try to start it.   No lights will come on.
2.  Fully depleted -- You parked your bike, left the lights (or ignition on), and went away to visit your girlfriend in Uzbekistan for a week. The bike won’t even click when you try to start it.   No lights will come on.
3.  Seems to be depleted -- You parked your bike, left the ignition on, went to a movie ("P.S. I Love You" (you were trying to get in touch with your feminine side)), came out 2.5 hours later, and the battery acted dead when you tried to start it.  You turn off the key, and stomp around, moaning about how stupid the engineers were to design a bike like that.  Then you get back on after 15 minutes and just for old times’ sake, hit the starter.   Vrooom.  It started slow, but worked.  
    What happened was the electrolyte nearest the cells became depleted. When you let it sit for a while while you were throwing your tantrum, the depleted electrolyte mixed with the more potent solution and the battery sort of charged itself a little.   The battery probably wasn’t fully discharged, it just seemed that way right after you tried to start it the first time after spending so much ranting about the "stupid engineering" design.

Title: Re: Left lights on.
Post by Angie on 08/14/11 at 18:09:01

Funny that this topic should pop up just now.  On friday, my husband had been working on my bike and got it put back together just before he had to go to work.  So he wanted me to see if it would start, so I grabbed the key and went to try it out.  It fired up great, so I was all excited.  I didnt have time to take it for a ride, so I shut it off and went in the house.  2 days later, when I went to start it I discoverd that I had turned the key to the P for park instead of off.  Uggh!  Oh yeah, she was dead.  Hubby hooked in up to a charger and did get it started.  I saw all the posts about adding water and checking acid levels.  I thought all batteries these days were sealed, just kind of hook em up and go.   :-?

Title: Re: Left lights on.
Post by Routy on 08/14/11 at 21:28:12


707F7678746123262928110 wrote:
 I thought all batteries these days were sealed, just kind of hook em up and go.   :-?

They should be, but the SLA AGM batteries are still more expensive,....money still talks. But some one said that the new s-40s have AGMs now. And I bought a new rider mower that also has an AGM battery in it,......so despite the money, it seems to be catching on.

Title: Re: Left lights on.
Post by Gyrobob on 08/15/11 at 04:55:58

Look at your battery.  If it has easily removable caps for each cell, and horizontal lines on the long side of the outside of the battery case, it means you have the most common type of battery,... a wet cell battery.  So,.. you should check the acid levels in each cell periodically, and especially after a "drastic" battery event such as yours.

Title: Re: Left lights on.
Post by Angie on 08/15/11 at 05:15:58

Personally I'd rather have a battery that I dont have to fart with.  I know how to put gas in my bike, thats about the extent of my expertise.   ;)

By the way, am I the only one that thinks even having that option of turning the key to Park is stupid?  It like asking for trouble (yes, Im blonde. shush) because one day you'll not be paying attention and turn it off wrong.  Esp during the day, you'll never notice that the tail light is still on.  I guess I need an idiot proof bike.  ;D

Title: Re: Left lights on.
Post by Gyrobob on 08/15/11 at 05:40:53


222D242A263371747B7A430 wrote:
Personally I'd rather have a battery that I dont have to fart with.  I know how to put gas in my bike, thats about the extent of my expertise.   ;)

By the way, am I the only one that thinks even having that option of turning the key to Park is stupid?  It like asking for trouble (yes, Im blonde. shush) because one day you'll not be paying attention and turn it off wrong.  Esp during the day, you'll never notice that the tail light is still on.  I guess I need an idiot proof bike.  ;D


I would agree with you about the stupidity of having the option of turning the key to Park without realizing it,.. but you are the only one to ever make this mistake.

I've never done anything like that,...



                                             ::)                                                     :-[                                                    ;)

Title: Re: Left lights on.
Post by Routy on 08/15/11 at 06:36:48

Yes, its stupid,......but an idiot light (led) on the speedo would have made it ok.
But I'd bet it could be easily disabled,.....depending on the ease of access to the back of the ign switch,.......or (god forbid) a wire cutters farther down the line ? :-/

On edit, disablement could be illegal in some states ? :o

Title: Re: Left lights on.
Post by Gyrobob on 08/15/11 at 08:21:09


323D273C202635373F3126540 wrote:
Yes, its stupid,......but an idiot light (led) on the speedo would have made it ok.
But I'd bet it could be easily disabled,.....depending on the ease of access to the back of the ign switch,.......or (god forbid) a wire cutters farther down the line ? :-/

On edit, disablement could be illegal in some states ? :o


:)            For the RYCA folks, it would be fairly easy to add a red LED to the switch/lite panel on the tank, eh?

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