2007-2011 Polaris IQ Snowmobiles Service Manual, Page 247Get this manual
Engine and Cooling Systems 600 HO Carbureted CylindersCylinder Head C
WASHERS CYLINDER HEAD O-RINGS HEAD COVER THERMOSTAT GASKET HEAD COVER O-RINGS KNOCK SENSOR
BLEED SCREW
THERMOSTAT HOUSING
THERMO SENSOR