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Motorcycle Forum / General / Sportbikes / June 2004Battery problems
I just replaced my battery less than 60 days ago. The problem is the new battery died today. I've got it charging now. However, what could cause this to happen. I checked the voltage on the battery while reving the bike at approx 3000-4000 rpms and the voltage registers approx 13.4 -13.7. What else could cause such a rapid drain? -Ron CBR600F3 You likely have a current leak somewhere, like a shot diode or worn insulation. Put an ammeter between the battery terminal and the battery lead with everything turned off. If there is any current flowing, you start detective work with multimeter and wiring diagram. I'd put money on a diode. Woody PS: keep in mind that bike batteries are very intolerant of being discharged. letting a new battery go completely flat can kill it forever by sulfating the plates. It would be smart to disconnect the battery when you're not riding until you get this one figgered out. > I just replaced my battery less than 60 days ago. The problem is the new > battery died today. I've got it charging now. However, what could cause [quoted text clipped - 4 lines] > -Ron > CBR600F3 > Put an ammeter between the battery terminal and the battery lead with > everything turned off. If there is any current flowing, you start detective > work with multimeter and wiring diagram. Keep in mind though that if your bike has a built in clock or other electronic gizmos, a very small amount of current might flow even with the ignition off. When I say small, I mean milliamps. Also, is 13.4-13.7 in the specified range for that particular bike? Check your shop manual or do some research to find out.  SignatureJamin Kortegard 2002 YZF-R1 / 2003 WRX "Hokey 600s and trackday usability are no match for a good literbike at your side, kid." - Michael Thanks Jamin. I think I might be on to something. I checked the connections yesterday and found the regulator/rectifier connection was very nasty. I cleaned it out and now seem to be getting approx 14 - 14.5 at 2500rpm. Hopefully that was the problem. Before cleaning I was barely getting 13.1 to 13.5. The shop manual specifies 13.0 - 15. is in range. > > Put an ammeter between the battery terminal and the battery lead with > > everything turned off. If there is any current flowing, you start detective [quoted text clipped - 6 lines] > Also, is 13.4-13.7 in the specified range for that particular bike? Check > your shop manual or do some research to find out. >> Put an ammeter between the battery terminal and the battery lead with >> everything turned off. If there is any current flowing, you start detective [quoted text clipped - 6 lines] >Also, is 13.4-13.7 in the specified range for that particular bike? Check >your shop manual or do some research to find out. Reading the Blackbird list at the crack of doom this morning, there's talk about 'normal' voltage there, too. For Blackbirds, it's about 14.4 volts. As you say, the value's in the manual. A kindred soul known as Warchild went through a diagnostic process similar to yours to sleuth his fried stator. On removing it, the damage was also visible and similar to yours. He has lots of farkles on his bike, being an LD-rider type with lights, GPS, and 1,001 other funky devices. What first clued him in were erratic readings from his Datel Voltmeter, an interesting device used by power usage-conscious riders. Our buddy Clif also has something similar wired into his Tiger. http://www.fjr1300.info/howto/datel.html '----------------------------------------------------- ' Daniel Bannon ' NW WA State, U.S.A. ' 2003 ZX636B Hercusaki, 1999 CBR1100XX '----------------------------------------------------- Still researching the wiring problem. I finding fried connector endings. The headlight being the latest (one connector). Could it be that all of this is caused by a loose connection? ...and the search continues... > >> Put an ammeter between the battery terminal and the battery lead with > >> everything turned off. If there is any current flowing, you start detective [quoted text clipped - 30 lines] > ' 2003 ZX636B Hercusaki, 1999 CBR1100XX > '----------------------------------------------------- > Still researching the wiring problem. I finding fried connector endings. The > headlight being the latest (one connector). Could it be that all of this is > caused by a loose connection? ...and the search continues... According to the research I did online about electrical problems on bikes, "most of the time" the problem is a bad connection. All the troubleshooting guides I found recommended checking connections first, before checking individual components. I was at a NAPA auto parts store the other day, and saw some spray on contact cleaner for use on electrical connections and components. Supposedly this stuff is purpose built for cleaning up corroded/dirty circuit connections. I'm sure there it's available at most auto parts or hardware stores. Also, if your connectors are exposed to the elements, maybe some dielectric grease would help keep them from corroding again by blocking out the H2O and O2. SignatureJamin Kortegard 2002 YZF-R1 / 2003 WRX "Hokey 600s and trackday usability are no match for a good literbike at your side, kid." - Michael Thanks for the tip! I had a can of the contact cleaner in the garage. I cleaned each one. I am inclined to believe at this point that the culprit was a diry contact. Time will tell. > > Still researching the wiring problem. I finding fried connector endings. The > > headlight being the latest (one connector). Could it be that all of this is [quoted text clipped - 12 lines] > dielectric grease would help keep them from corroding again by blocking out > the H2O and O2. > I just replaced my battery less than 60 days ago. The problem is the new > battery died today. I've got it charging now. However, what could cause > this to happen? I would say it was you Regulator/Rectifier. Hondas as great bikes, but this is a typical failure. Try this algorithm to determine the exact cause: http://www.electrexusa.com/electrex_fault_finding.html SignatureJim Stinnett VTR!000 R!!00RS http://moto-rama.com |
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