2000 Arctic Cat ATV Factory Service Manual, Page 13Get this manual
VISCOSITY CHART
ENGINE OIL TEMP F
10W-40 5W-30
ATV-0049
-30 -20 -10 10 20 30 40 -22 -4 14 32 50 68 86 104
RECOMMENDED FRONT DIFFERENTIALREAR DRIVE LUBRICANT
Since gasoline expands as its temperature rises, the gas tank must be filled to its rated capacity onlyExpansion room must be maintained in the tank particularly if the tank is filled with cold gasoline and then moved to warm area