2002 Bombardier Quest 650XT Service Manual, Page 174Get this manual
Section 04 FUEL SYSTEM Subsection 02 (FUEL CIRCUIT)
Installation
Reverse removal procedure, however pay attention to the following: Ensure that main fuel tank hose no12 and reserve fuel tank hose no4 are not inverseRefer to FUEL VALVE tablePosition all fuel tank screws, nuts, washers and spacers as shown in the next photo6 3