2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 116Get this manual
Fuel tank, fuel pump module, and fuel hose
Fuel hose disconnection
WARNING
Before checking the fuel system, remove the battery and then remove the fuel tank filler cap to reduce any pressure inside the fuel tank Always reduce the fuel pressure in the fuel line before servicing the line or the fuel pipeIf the fuel pressure is not released, pressurized fuel could spray out