2002-2003 Bombardier Baja DS650 Service Manual, Page 171Get this manual
Section 08 SUSPENSION Subsection 02 (FRONT SUSPENSION)
Inspection
Check upper A-arm for cracks, 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
LOWER A-ARM
Removal
Remove cotter pin no10 (discard), castellated nut no11 and hardened washer no12 retaining lower A-arm no9 to ball joint no15 on the knuckleLoosen wheel nutsRemove wheel(s)Remove bolt no4 retaining the shock absorber no1 to lower A-arm no9
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 castle 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-armInstall wheel(s)NOTE: Do not interchange left and right tiresCheck direction of rotation mark on tires