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Simple question - Gas tank hoses?

  • Thread starter Thread starter wirelessguy
  • Start date Start date
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wirelessguy

Guest
Hi folks,

Trying to re assemble my gas tank and forgot what went where since removing it in the winter.

The petcock has two ports and there is another long hose out of the other side of the tank where the fuel sensor is.

I think (but am not 100%) that the outer petcock line is for gas, inner petcock line for Vac hose to #3 carb. Is that correct?

If so I'm guessing that the fuel sensor hose might just dangle open.

Is all of the right or am I supposed to tie in the sensor hose to the vac line or something like that?

Thanks.
 
Well, that's how it is on my '85 GS700.

Outer petcock port is larger diameter, and is the fuel supply line to the carb bank.

Inner petcock port is smaller diameter, and is the vacuum line for the petcock diaphragm and connects to one carb.

Hose from the fuel sensor is a drain line in case the sensor leaks, it drips down through the hose away from the hot motor. Mine is routed back towards the airbox and down.
 
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