2000 Polaris Indy 500 / 600 snowmobile service manual, Page 314Get this manual
SUSPENSION Suspension TroubleshootingXTRA Lite Style Problem Rear suspension bottoms too easily Solution -Increase torsion spring preload -Increase rear shock compression valving by turning screw clockwise (if equipped with optional Indy Select shock) -Check for binding suspension shafts and grease all pivot points -Decrease torsion spring preload adjustments -Decrease rear shock compression valving by turning screw counterclockwise (if equipped with optional Indy Select shock) -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 hi-fax and replace if worn -Reduce ski pressure: DIncrease front track spring preload DReduce IFS spring preload if shims have been added DReduce rear torsion spring preload -Check for worn skags -Check for binding suspension shafts and grease all pivot points -Increase IFS spring preload by adding shims -Check ski alignment -Check skags and skis for damage -Reduce ski pressure: DIncrease front track spring preload DReduce IFS spring preload if shims have been added DReduce rear torsion spring preload -Change worn hi-fax -Lower front and rear torque arms (see Performance section at the back of this manual)