2000 Polaris Indy 500 / 600 snowmobile service manual, Page 316Get this manual
SUSPENSION Suspension TroubleshootingXTRA 12 Style Problem Rear suspension bottoms too easily Solution -Check to be sure FRSS block is in highest position -Adjust torsion spring blocks to highest position -Adjust coil over spring on front track shock to increase preload -Change torsion springs -Change to next heavier coil spring (e.g75125 #into 90150 #in-Change to stiffer shock valving (refer to wallchart) -Check charge in shocks on models equipped with Fox shocks -Check for binding suspension shafts and grease all pivot points -Decrease spring preload adjustments -Remove rear track shock spring or reduce rate of spring (refer to wallchart) -Change front track shock to lighter spring -Change to lighter shock valving on models equipped with Fox or Indy Select shocks (refer to wallchart) -Make sure skis are aligned properly (straight forward with rider on machine) -Make sure spindles and all steering components are free turning -Make sure skags are straight on skis -Check for worn skags -Check for binding suspension shafts and grease all pivot points -Increase front IFS preload -Change FRSS to low setting or move to forwardmost hole -Check ski alignment -Check skags and skis for damage -Change FRSS to high setting -Decrease IFS spring preload -Rotate FRSS to lowest setting, depending upon rider preference -Decrease preload on front track spring -Move FRSS to forwardmost hole -Tighten limiter strap one hole