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  1. E

    B&S 28Q777 crankcase vacuum line sucking oil up to fuel pump

    The fuel line I am talking about comes off the Engine. It is the pulse line to the pump. This must be dual core rubber line. The other lines can be clear line
  2. E

    B&S 28Q777 crankcase vacuum line sucking oil up to fuel pump

    Snowmobiles use the same type of fuel pump and they will not work correctly with the clear fuel line either.
  3. E

    B&S 28Q777 crankcase vacuum line sucking oil up to fuel pump

    The clear fuel line you are using going to the fuel pump might be some of your problem! This line will collapse and therefore won't work for the fuel pump correctly! That fuel line should be a ridged black double core rubber line. If it collapses it will not operate the fuel pump correctly!
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