Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 313Get this manual
REAR SUSPENSIONTRACKTRACTION Pressurize the shock reservoir, through the pressure valve, with nitrogen gas to the specified pressure(PICTURE 29) If using RydeFX inflation tool Refer to Procedures for use of replaceable inflation Needle instruction manual found in RydeFX Inflation Tool caseNOTE: Depending on which shock absorber is being worked on, adjust the gas pressure the specified value indicated in the shock specification chart located (TBD) service manual29