Fuel line connection help needed

I need to connect my 9.9 yamaha four stroke to the fuel line on my 115 yamaha four stroke. I have a triumph 195dc with a 60 gallon under floor tank.
Can i install a tee in the line to main motor and tap into it for fuel on 9.9 *****ing motor? I am pretty mechanically inclined and need a little direction. Thanks..

[boats.net]

You would need to install a selector valve(3 way valve) in fuel line to direct fuel to engine you want to run.