2000 Polaris Indy 500 / 600 snowmobile service manual, Page 284Get this manual
SUSPENSION 2001 XTRA-12 Optional Suspension Springs Following is list of all available springs for the XTRA 12 front and rear suspensionThese springs can be used to better suit individual riding preference
For Optional Suspension Set Ups, See Suspension Tuning Decal Under HoodXtra-12 IFS Shock Spring Part No7041398-067 7041405-067 7041554-067 7041576-067 7041575-067 7041574-067 7041553-067 7041552-067 7041551-067 7041550-067 7041549-067 Xtra-12 Front Track Shock Spring Part No7041351-067 7041396-067 7041398-067 7041404-067 7041405-067 7041484-067 Xtra-12 Rear Track Shock Spring Part No7041361-067 7041362-067 7041364-067 7041484-067 7041561-067 7041491-067 Xtra-12 Torsion Spring Part No7041394-067LH 7041395-067RH 7041406-067LH 7041407-067RH RateApplication 75#in 65#in 80# Fox 100# Fox 120# Fox 140# Fox 60# GabrielArvin 80# GabrielArvin 100# GabrielArvin 120# GabrielArvin 140# GabrielArvin Spring Wire Diax Free LengthRate .331 11.8875125 #in .283 11.8850 #in .312 11.8875 #in .343 11.8890150 #in .306 11.8865 #in .406 9.0275 #in Spring Wire Diax Free LengthRate .343 7.0246 #in .261 7.085 #in .283 7.5126 #in .331 11.88275#in .261 7.585 #in .438 13.00190 #in Wire DiameterDegrees .40677 .40677 .42177 .42177