What kind of gear box oil for a 1998 polaris xc600 snowmobile?

For a 1998 Polaris XC600 snowmobile, it is recommended to use Polaris Genuine Gearcase Oil, specifically designed for snowmobile gear cases. The oil should be a high-quality synthetic or mineral oil with a viscosity suitable for cold temperatures. Always check the owner’s manual for specific recommendations and capacities to ensure optimal performance and protection for your snowmobile's gearbox.