2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 339Get this manual
Section 06 ENGINE MANAGEMENT (4-TEC) Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
Unscrew rail retaining screwsGently pull rail up by handPull rail out with fuel injectorIf necessary remove fuel injector as described belowInstallation For installation, reverse the removal process but pay attention to the followingA thin film of injection oil should be applied to O-rings of fuel injectors to ease installation in intake manifoldTightening torque of the rail retaining screws is 10 Nm (89 lbfin)
WARNING
Perform fuel pressure test and ensure that there is no leakRefer to FUEL PUMP aboveRun engine and check for leaks