2007-2008 Polaris IQ Snowmobiles Service Manual, Page 260Get this manual
Shocks OPTIONAL SHOCK SETTINGS
Walker Evans Air Shock
NOTE: Always adjust both IFS shocks to the same pressure settingDischarge 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 (70F21C)The Walker Evans IFS Air shocks can be configured using the stock and optional 2007 settings or the stock 2008 settingsSHOCK BODY GAS FILL PORT SHOCK ROD GAS FILL PORT