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xs650 > > Motorcycle Systems > > Electrical > > Battery Charging Issue |
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cretin75xs650 Full Member
Joined: Dec 24, 2008 Posts: 99
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Posted: June 15, 2009, 5:38 am Post subject: Battery Charging Issue |
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I purchased a 1981 XS650 Special in January and cleaned her up and got her on the road in April. Yesterday I took her out for a 60 mile run and when I got back, I turned her off to open the garage and when I tried to start her, she won't. Before I got her on the road I installed a new battery, I installed a battery tender led, so I could keep it fully charged when not in use, installed a new fuse box (glass fuse type) and I had a technician check the charging system, which I was told was working fine. What could be draining the battery during a ride? The motorcycle is stock and I do not have turn signals installed at this time. Any help would be appreciated...
Here is a recent photo of my bike, sorry for the quality.
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650skull Support Staff
Joined: Jul 19, 2007 Posts: 1186
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Posted: June 15, 2009, 7:42 am Post subject: Re: Battery Charging Issue |
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Charge your battery to full then try to start again, if it starts then your charging system is probably faulty...........If it wont start then check to see if you have spark at the plugs. Make sure you have the plug grounded when testing for spark, if you don't then you will damage the electronic ignition.............. Check your condensers and coils..............Then go into the electrical system and check the switches or connections for broken wires or a short.................. Do you have a workshop manual, if not it is important you have one, ebay or mikes xs.........
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cretin75xs650 Full Member
Joined: Dec 24, 2008 Posts: 99
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Posted: June 15, 2009, 8:36 am Post subject: Re: Battery Charging Issue |
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I charged my battery overnite and she starts. I will check the charging system when I get to the shop. If it is the charging system, I guess you would have to determine if its the regulator or stator, right? Or are there other components to check? I do have a manual that came with the bike. Thanks for your help...
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Retiredgentleman 650Rider Supporter
Joined: Mar 03, 2007 Posts: 2258 Location: Calgary, Alberta 1978 XS650 SE
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Posted: June 15, 2009, 10:41 am Post subject: Re: Battery Charging Issue |
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You should measure the battery voltage at 1200 RPM and at 3000 RPM and tell us what you get.
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dpmphoto Full Member
Joined: Apr 18, 2007 Posts: 485 Location: syracuse NY
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Posted: June 15, 2009, 3:28 pm Post subject: Re: Battery Charging Issue |
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obviously its the charging system,I would save time and go right to the rotor first,if that's ok then check stator, reg/rect.
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roar Full Member
Joined: Sep 15, 2008 Posts: 54
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Posted: June 15, 2009, 4:55 pm Post subject: Re: Battery Charging Issue |
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Rectifier got me, if the battery voltage jumps up to around 15v when you throttle it, that would be the first place I'd look.
Roar
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xsleo Full Member
Joined: Oct 28, 2007 Posts: 1528 Location: Earlville NY
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Posted: June 18, 2009, 3:08 am Post subject: Re: Battery Charging Issue |
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I would check the length of the brushes first. A short brush won't make good contact with the slip ring. The book calls for 1/4 inch long minimun. 3/8 inch is about as short as you should go. Replacing the brushes is the cheapest thing to replace.
_________________ "You live more in five minutes on a bike than most people do in there whole life"
'75 XS650B with a 79 dual disc front end, rear disk brake, Chrysler reg, Radio Shack rect, LED tail/ brake and turn signals. |
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weekendrider Support Staff
Joined: Apr 20, 2007 Posts: 1284 Location: SW MO 2x83SK 79F 78E
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Posted: June 18, 2009, 7:03 am Post subject: Re: Battery Charging Issue |
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+1
xsleo wrote: |
I would check the length of the brushes first. A short brush won't make good contact with the slip ring. The book calls for 1/4 inch long minimun. 3/8 inch is about as short as you should go. Replacing the brushes is the cheapest thing to replace. |
_________________ geocached @ N 37° 26.917', W 093 11.724, elev. 1148' |
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cretin75xs650 Full Member
Joined: Dec 24, 2008 Posts: 99
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Posted: June 27, 2009, 5:45 am Post subject: Re: Battery Charging Issue |
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I had a chance to check the charging system and found that the stator is not working. I was hoping for an easier fix. I want to thank all for your input, this site is the best. Hope to see you on the road...
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