1986 Ski-Doo Factory Shop Manual, Page 137Get this manual
Section 02 ENGINE Sub-section 06 (467 ENGINE TYPE)
INSPECTION
Check general condition of hoses and clamp tightness
15, Thermostat
To check thermostat, put 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 hot
37C (98FlInstall the hole in thermostat on top of the housing
To 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,
_ _COOlanl
REFILLING THE SYSTEM
Capacity: Approximately 4.2 liters (148 Impoz (142 U.Soz 60 antifreeze40 water
To prevent formation or !reezing conditionalways 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 englnes
lCtI4 Primer !;lump
To refill cooling system:
- Put back the rear of vehicle on ground,- Refill coolant tank slowly until coolant overfills at bleed