Yamaha XJ750-D Fuel Injection (Model 22N)

And keep reversing the polarity of the power leads to get it to rock back & forth

 

OK, so, it's a return type system.

Something like this GSXR600 pump may work. https://www.ebay.com/itm/293116734163?hash=item443f1e6ad3:g:T~gAAOSwafZc~HCr

Should be sufficient for the flow, and that system is also a full circuit setup.

 

I believe the pump puts out around 20 psi, I ended up getting a replacement pump that put out 40 psi and it seams to work just fine with the factory fuel pressure regulators (I believe are 36 psi).
Had to get adapters for both ends and new fuel line.