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fra8877 · #1 Unread post by **fra8877** » Sun Mar 01, 2009 11:58 am

Its cold as hell tonight and tommarow and a lot of rain so I'm not riding my bike. this may sound like a dumb question but does letting a motorcycle idle for a little while help keep the battery charge? Or is that only when the bike is rolling? Because I know the way below freezing temps will zap the battery tomorrow when I try to start it. Thanks.

mgdavis · #2 Unread post by **mgdavis** » Sun Mar 01, 2009 12:23 pm

The charging system will probably not produce enough power at idle to charge the battery. It sounds like your battery might be due to be replaced, a battery in good shape should be able to turn even when cold. You might also want to look at picking up a Battery Tender if this is a persistent issue.

#3 Unread post by **Wrider** » Sun Mar 01, 2009 2:12 pm

Depends on the bike... Most modern bikes will charge even at idle, whereas older ones (E.G. a Honda CB750) won't charge until about 2-3K RPM.