2001 Ski-Doo Factory Shop Manual Volume One, Page 160Get this manual
Subsection 08
Section 04 ENGINE (LIQUID COOLING SYSTEM)
COOLING SYSTEM REFILLING PROCEDURE
Recommended Coolant
Use Premixed coolant52C (- 62F) (PN 413 711 802) (16 1L)Do not reinstall pressure capCAUTION: To prevent rust formation or freezing condition, always replenish the system with recommended premixed coolant