Question about Ryobi 15" Electric Factory Reconditioned Trimmer (ZRRY41002) - Factory Reconditioned

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Ryobi Grass Scorpion Petrol lines from tank to primer to carby where to where

The petrol lines on my Grass Scorpion have aged (12 years) and broken. I need to know the circuitry from Fuel Tank to Primer to Carby. TWO lines go from Fuel Tank, NO.1 from Internal Fuel Filter in Tank to ??? and No.2 from Fuel Tank to ???
These lines obviously go to the Primer Pump and the Carby. But which goes to which???"
The replacement of all these fuel lines is quite simple but I cannot find anywhere a Fuel Flow Circuit Diagram.
The Ryobi Grass Scorp[ion has worked perfectly for 12 years and I am loathe to put it to rest. It has become a member of the family

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  • John Wilford Oct 30, 2008

    You have just saved me over A$100. My wife said "After 12 years good service, just buy a new one".
    The Ryobi is just as good a workmate as our two border collies are.I just couldn't take it to the tip.
    Two years ago I had two stents put into my heart so I know how the old Ryobi feels.
    Thanks for your help.
    John Wilford.


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The line off the top of the primer bulb goes to the top of the carburetor.
The line on the bottom of the primer bulb goes to the fitting on the center of the fuel tank and the line off the side of the fuel tank goes to the bottom of the carburetor.


Posted on Oct 28, 2008

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The line from the tank goes into the longer inlet, and the line into the carbie goes into the shorter inlet

Posted on Oct 28, 2008

  • AbdulRahiman S Oct 28, 2008

    your outlet from feul tank goes to primer inlet (shorter one)
    and other hose one end should be connected to the free end of primer(longer one ) and the other end to the spigot (brass color one) on top of carby and the other one end connecte to 
    spigot at the buttom of carby and other end goes to fuel tank 


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