bike problem....while running it stops then fuel tank has to be opened and...

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Someone Somewhere

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...reclosed..wats the problem with it? bike problem....while running it stops then fuel tank has to be opened and reclosed(somebody told me this method)
..where is the problem
and wats the problem
 
problem is that there is no vacuum pipe in the tank or it is blocked.

when you use fuel, there is more space in the tank but less air - so a lower air pressure meaning the fuel wont flow down.

opening the tank raises the pressure to normal and it will work for a while.

vacuum pipe normally comes out of the top of the filler cap on older bikes. if u dont see it, u might have to take tank off to investigate.
 
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