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Carb Question

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DavidZ1R
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Carb Question

#1 PostAuthor: DavidZ1R » Sat Feb 01, 2014 10:11 am

On the carbs of my 550 project, an american bike, there are two pipes to the tank, one is the flow inlet, the other is a vacuum or pressure pipe for the tank, how exactly does this pipe work, and if I try to start the engine without a tank fitted, does this pipe need to be left open or blocked to help the motor run ? not sure :??
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weaver
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#2 PostAuthor: weaver » Sat Feb 01, 2014 10:36 am

the second one is a vacuum line to operate the fuel tap to allow fuel to flow to the carbs,if running with a remote supply blank off the vac pipe,I usually push a suitably sized bolt into it
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