2002-2003 Bombardier Baja DS650 Service Manual, Page 174Get this manual
Section 08 SUSPENSION Subsection 02 (FRONT SUSPENSION)
Place the ball joint and the template on the A-Arm and orient it into place, the thin section of the template aligns inside the shock bracket
NOTE: Be sure that the flat groove is perpendicular to rotation axis before mountingRightLeft Upper Ball Joints Bend the template at 90, at the mark indicatedInsert the ball joint into the template with the correct orientationFlat grooves of ball joint must be in contact with the flat sides of the templatePlace the ball joint and the template on the A-Arm and orient it in the way that the bent section of the template is between the two tubes of the A-arm