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Discussion Starter · #1 ·
I noticed that the bike has a humming sound when the ignition switch is on, and not running. I am not talking about the steering damper. Any idea of what that is? I'm sure it is normal, just curious.
 

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Discussion Starter · #5 ·
I don't believe it is the fuel pump. It is a sound that is continuous, not momentary as when the fuel pump pressurizes the line.
 

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The fuel pump runs for just a few seconds then shuts off if you don't start the engine. If you open and close the throttle you can hear it working the throttle plates.
 

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mines has the same... its like the fuel pump but it never stops (at least not in 1-2 minutes)... maybe the fuel pump system has no release feature? it just turn and run?
 
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