2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 98Get this manual
Section 03 ENGINE Subsection 07 (LUBRICATION SYSTEM)
OIL TANK
The oil tank is located under front facia, near the headlight
Removal
Drain oil tankRemove the front faciaUnscrew headlight then disconnect and remove itRemove nut no30Unscrew bolts retaining fuel tank cover and oil tank to the frameUnplug all hoses then remove oil tank