2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 196Get this manual
Section 08 SUSPENSION Subsection 02 (FRONT SUSPENSION)
Remove cotter pin no10 (discard), castellated nut no11 and hardened washer no12 from upper ball joint no13Inspection
Check upper A-arm for cracks, pitting, distortion or other damagesReplace as requiredInspect pivot bushings for wear or damagesReplace pivot bushings if necessaryCheck ball joint bellows on upper A-arm for cracks or any other damage and inspect ball joint stud for damagesEnsure stud is moving freelyRefer to BALL JOINT section below
Installation
Position upper A-arm and install bolts no14 and nutsTorque nuts to 63 Nm (46 lbfft)Attach upper A-arm to knuckleInstall hardened washer no12 and castellated nut no11Tighten castellated nut to 50 Nm (37 lbfft) and further tighten until its grooves align with cotter pin holeInstall new cotter pinBoth ends of cotter pins must be foldedSecure brake hose to upper A-armCAUTION: When reinstalling the brake line, install new screws with regular M6 threadsReinstalling self tapping screws would damage the A-arm threadsInstall wheel(s)NOTE: Do not interchange left and right tiresCheck direction of rotation mark on tires