Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 335Get this manual
REAR SUSPENSIONTRACKTRACTION Suspension Troubleshooting
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) or refer to optional valving on Suspension Wallchart for Fox equipped models -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) or refer to optional valving on Suspension Wallchart for Fox equipped models -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 (requires shims) DReduce IFS spring preload by adjusting cam DReduce rear torsion spring preload DLengthen front limiter strap -Check for worn skags -Check for binding suspension shafts and grease all pivot points -Increase IFS spring preload by adjusting cam or adding washers -Shorten front limiter strap -Check ski alignment -Check skags and skis for damage -Reduce ski pressure: DIncrease front track spring preload DReduce IFS spring preload by adjusting cam DReduce rear torsion spring preload -Change worn hi-fax -Increase front limiter strap length -Based on rider preference, RRSS may be removed to increase weight transfer