2002-2003 Bombardier Baja DS650 Service Manual, Page 117Get this manual
Section 04 FUEL SYSTEM Subsection 02 (FUEL CIRCUIT)
FUEL SYSTEM PRESSURIZATION
Fill up fuel tank no1Remove seatInstall on fuel tank the special cap included in the fuel and oil system tester kit (PN 529 033 100)Install hose pinchers (PN 295 000 076) on fuel tank vent line no6 and on the outlet hose no3 at carburetor, as shown in the following photos
Using air pump (PN 529 021 800) inject air into fuel tankSee next photo
V02N05A
1Special cap on tank 2Air pump