2007-2008 Polaris IQ Snowmobiles Service Manual, Page 270Get this manual
Shocks 5Fill the shock body with new Ryde FX shock oilFill until the level of the oil is one inch below the top of the reservoir body12Using an adjustable wrench, secure the bearing cap assembly to the shock body13Pour all of the remaining oil out of the reservoir body into suitable container14Apply light film of Lithium grease to the pressure valve counter bore on the reservoir cap15Apply thin layer of shock oil to the cap o-ring, then carefully reinstall the cap back into the reservoirPush cap just below the c-clip groove16Use pliers to pull the cap up against the c-clip