How do check the chain case oil level on a 1989 polaris snowmobile Indy 500?

To check the chain case oil level on a 1989 Polaris Indy 500 snowmobile, locate the chain case fill plug, usually found on the side of the chain case. Remove the plug and use a dipstick or your finger to check the oil level; it should be just below the fill hole. If the oil is low, add the appropriate chain case oil until it reaches the correct level. Always ensure the snowmobile is on a level surface when checking the oil.