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Discussion Starter #1
If i disconnect the battery while the bike is running, the bike immediatly dies. This mean the stators bad? Or something else


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Don't know what bike you have, but I think you need a battery connection for the computer and other electronics to work.
 

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Electronic fuel injectors (EFI) ... key word is "electronic" - no electrical power, no electronics, no fuel injection, no motor running.
 

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Electronic fuel injectors (EFI) ... key word is "electronic" - no electrical power, no electronics, no fuel injection, no motor running.
The alternator could continue to provide ac power that is converted to 12 Vdc by the regulator and delivered to the EFI without a battery. It's all in how it's wired up.

Can't say that I know how it's wired up though.
 

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Discussion Starter #5
Im gonna try a new battery first, but most cars and bikes can run on just the alternator or stator without the battery- key point that they have to be running first.

09 vegas


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The alternator could continue to provide ac power that is converted to 12 Vdc by the regulator and delivered to the EFI without a battery. It's all in how it's wired up.

Can't say that I know how it's wired up though.
True, but our bikes run off the battery.

Im gonna try a new battery first, but most cars and bikes can run on just the alternator or stator without the battery- key point that they have to be running first.

09 vegas


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Doesn't matter what battery you use, if the battery is disconnected, the motor will die. Even a lose connection can cause misfiring or rough running.
 

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alsoi don't think that is good for the charging system either

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Motorcycle stators will not run a bike.

Car alternators will run a can cause they put out more juice
 

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Discussion Starter #9
Thanks for the reply's. New battery fixed the issue. I was not sure about this though, because I have a carb bike and atv that can both run off just the stator no battery. All the efi is to much though juice needed for no battery at all I guess. Thanks for the help!
 
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