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Everyone knows that buzz when you turn the bike to on. I'm fairly certain it's the fuel pump. I've always waited for it to stop before starting it up. does it matter?
 

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It stops before I attempt to start. I never did it intentionally one way or the other, though.

You want the proper fuel pressure at the injectors or it won't spray the way it's supposed to, so it's probably best to wait.
 

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No need to wait, the bike will start immediately, no harm done.
 

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No need to wait, the bike will start immediately, no harm done.
For sure for sure??

It's funny because, while I never thought to ask, I've wondered about this very thing since day one.

Most recently this morning on my commute to work.
 

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I never wait for my bike or cars, never had any problems. Yes the fuel pump is priming, but its only going to take an extra milisecond for the engine to fire up.

No problem just firing it right up
 

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The priming doesn't mean there isn't "pressure" in the fuel system- the second you turn the key the fuel pump is adding pressure, and thus giving it fuel to run, whether it "primed" or not...
 
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