2004 Skidoo Tundra Skandic Series Service Manual, Page 197Get this manual
Section 04 ENGINE Subsection 09 (LIQUID COOLING SYSTEM)
A16C03A
TYPICAL OPEN THERMOSTAT, WARM ENGINE 1To radiators 2From cylinders
These functions have the advantage of preventing massive entry of cold water into the engine
COOLING SYSTEM REFILLING PROCEDURE