I don't know how it is for you S1+S2 guys, but on my LN3, there is a schrader valve on the fuel rail. Grab a paper towel, and a screw driver. Wrap the papertowel around the screwdriver, and push in. There isn't a whole lot of fuel that comes out, however it comes out with high pressure, so you won't want it spraying you. I have removed the fuel lines at the fuel rail using this procedure, and no fuel has ever come out at high pressure. The pulling of the fuel pump fuse didn't work for me.. so I just tried this idea.
'89 SSE - GX3 -190k, 155k on body - Back for another ride.