2005 Ski-Doo RT Series Shop Manual, Page 308Get this manual
Section 08 STEERINGFRONT SUSPENSION Subsection 02 (FRONT SUSPENSION)
Prior to installing ball joint in lower arm, ensure to clean the tapered surfaces with the pulley flange cleaner (PN 413 711 809)Surface contacts must be clean and free of dirt, oil and greaseApply the cleaner on rag then use the rag to clean the surfaces of ball joint and ski legTo install ball joint, proceed as follows: Install ball joint support (PN 529 035 875) on top side of lower arm (operating position) Position ball joint installer (PN 529 035 975) on bottom side of lower arm (operating position) Press ball joint in Install snap ring no13 with its opening toward front of vehicle