1989 Ski-Doo Repair Manual, Page 107Get this manual
Section 02 ENGINE Sub-section 04 (467 ENGtNE TYPE)
INSPECTION
Check general condition of hoses and clamp tightness
15, Thermostat
To check thermostatput in water and heat waterThermostat should open when water temperature reaches
DRAINING THE SYSTEM
WARNING: Never drain or refill the cooling system when engIne is hotTo drain the cooling system, siphon the coolant mixture from the coolant tank, using primer pump and length of plastic hose and steel tubing inserted as deep as possible into the lower hose of the tank
43C (110F)Install the hole in thermostat on top of the housing
REFILLING THE SYSTEM
CapacityApproximately 4.2 liters (148 impoz, 142 U.Soz) 6000 antifreeze40 waterCAUTION: To prevent rust formation or freezing condition, always replenish the system with 60 antifreeze and 40 waterPure antifreeze without water produces premature freezingAlways use ethylene glycol antifreeze containing corrosion inhibitors specifically recommended for aluminum enginesTo refill cooling system- Put back the rear of vehicle on the ground- Refill coolant tank slowly until coolant overfills at bleed hole