2007 Polaris 500 XC SP Owners Manual - Page 119

MAINTENANCE Steering System n Rail Slide Wear For ease of inspection, all Polaris rail slides have a wear limit indicator groove to indicate the minimum permissible slide thickness. Replace the rail slides if they are worn to the top of the groove at any point along their length. Failure to do so may result in permanent damage to the track or rails. Minimum Thickness Replace when worn to top of groove Suspension Maintenance n Pre-Ride Suspension Inspection Loose nuts and bolts can reduce your snowmobile's reliability and cause needless repairs and down time. Before beginning any snowmobile trip, a visual inspection will uncover potential problems. Check the following items on a weekly basis or before any long trip: n Check suspension mounting bolts for tightness. n Check rear idler wheel bolts for tightness. See page 111. n Check rear idler adjusting bolt locknuts for tightness. n Check front torque arm limiter strap condition. n Check rail slide condition. n Check track tension. See page 110. n Lubricate all rear suspension components. See page 78. n Check ski runner/skag condition. See page 43. n Check ski spindle bolts for tightness. n Check tie rod end nuts for tightness. 116