how do they do it?

[badbanshee509]

so i have been looking around and seen a couple people starting to run their fuel tanks in the front of the bike like the picture i have below. my question is if our carbs are gravity fed then how are they supplying fuel to the carbs with the tank placed in the front of the bike like that?? i have seen this on many crag bikes now... this is not my bike and nore do i know the person who owns that bike. this is just for an example

 

 

[LilJockey481]

Fuel pump

 

 

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[dirtydownunder]

they always in a wheelie.

so run from the bowls at start, then gravity feed in a wheelie.

its all science and sorcery.

you probably wouldnt understand.