2004 Skidoo ZX Series Service Manual, Page 314Get this manual
Section 06 ENGINES MANAGEMENT (2-TEC) Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
FUEL PUMP
Fuel Pressure Test
Before proceeding to the pressure test, ensure the battery is fully chargedBattery voltage must be over 12 voltsRelease the fuel pressure in the system using B.U.D.SRefer to the Activation tab
FUEL PRESSURE (when depressing start button) 400 kPa (58 PSI)