2000 Polaris Indy 500 / 600 snowmobile service manual, Page 301Get this manual
Fox Assembly, Cont16Install pressurizing valve with new O-ring and tighten securely
SUSPENSION Shock Maintenance
17Set the nitrogen tank pressure regulator to 200205 PSI
18Insert the Fox Safety Needle and charge with nitrogen to 200 PSIPull the needle straight outward and remove from the pressurizing valve while holding the pressure hose on the fittingDo not insert the needle again to check pressure as the volume inside the gauge will reduce pressure in the shock