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I have a 1997 Buell Cyclone that won't hold a charge. I figured the battery was rather old and most likely shot, so I replaced with a brand new one from harley. Having come fully charged it worked great for about 3 days but is once again dead. I know very little about the charging mechanism on motorcycles(alternator or generator system?) and am not certain what the issue is. Ive checked most connections for shorts that would be draining it but have found none.

I'm assuming there must be some kind of a voltage regulator, could this go bad and prevent the battery from charging while riding? if so where is it on the bike and what does it look like?

Any help would be much appreciated.

2007-06-05 07:00:20 · 5 answers · asked by Sull S 1 in Cars & Transportation Motorcycles

5 answers

your battery is fine, what the bike is doing is running off of the battery energy till it is finally dead. it takes the charging system or the stator and voltage regulator to charge the battery. if your stator is grounded out, that usually happens with age and heat, it will not charge the battery. the voltage regulator sends the correct amount of power to the battery and components, not overcharging the battery. if your stator did burn out sometimes they can send surges and spike, or send to much voltage to the voltage regulator and it will burn out too. i suggest you take it to your hd dealer or any good mc shop you can trust and have them test your stator and vr so you will know which one or if both need replacing. and dont keep charging your battery and running it dead, it will eventually loose its ability to hold a charge. take it and put it on a charger and get it charged up, then keep a trickle charger on it while not in use. k good luck

2007-06-05 15:05:37 · answer #1 · answered by wytetrash2004 2 · 2 0

Cyclone Battery

2016-12-15 12:31:58 · answer #2 · answered by coccia 4 · 0 0

The Duke of URL, gave a very good answer and is correct. I have an 08 Buell XB12 lightning, the XBs and CR were the last generation of Buells, the bikes are a blast to ride, though they do feel slightly different. This is pronounced when you first start to turn in, it is like the bike wants to stay upright more than others, but once in it tracks great. The problem is they are underpowered, even with the reworked Buell heads and exhaust that pig of a motor ruins what would be a great bike. Handling and brakes are superb. The Rotax motored CR model would be the bike to get, though repairing a Rotax motored bike may be tricky. Buells take getting used to when riding, but once you have it down they are nimble. The older Cyclone is heavier than the XBs, but still weighs much less than an HD and handles much better.

2016-04-01 03:45:55 · answer #3 · answered by Anonymous · 0 0

Yes, there IS a regulator, and occasionally, it goes bad.
It looks like this:

http://denniskirk.com/jsp/product_catalog/Product.jsp?skuId=&store=Main&catId=219&productId=pH21889&leafCatId=21909&mmyId=3986

On Harleys, it bolts onto a bracket bolted to the front motor mount.
To see if you system IS charging, get a decent volt meter.
Start the bike. Connect it across the 2 battery terminals, rev engine, and see if the reading climbs to about 13-14 volts, dropping and rising with engine RPM.

2007-06-05 15:27:30 · answer #4 · answered by strech 7 · 1 0

There are more than a couple of components in the charging system.
Figure out which is bad before you start changing parts.
Purchase a shop manual before they go out of print.
http://www.motocom.com/motorcycles/

2007-06-05 12:41:14 · answer #5 · answered by guardrailjim 7 · 1 0

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