2007-2011 Polaris IQ Snowmobiles Service Manual, Page 421Get this manual
Shocks OPTIONAL SHOCK SETTINGS
Walker Evans Monotube IFS Air Shock
NOTE: When servicing any air IFS shock, recharge both shocks to the same pressure settingRaise the vehicle off the ground or remove shocks completelyDischarge the shock gas pressure completely before refilling the shock with nitrogenRaise the shock nitrogen gas pressure within each shock in 2.5 psi increments and keep the fill tool needle installed in the charge port for at least 30 seconds to allow the gas pressure to stabilizePerform work on shocks when shocks and nitrogen gas supply tank are at room temperature (7021 C)Walker Evans IFS air shocks can be configured using the most current valve stack and nitrogen pressure settingsUpdating 2007 shocks to current specifications will require changing the valve stack
Walker Evans IFS Air Remote Reservoir Piggyback Shock