What injector oil to use for arctic cat 440 snowmobile?

For the Arctic Cat 440 snowmobile, it's recommended to use high-quality synthetic or semi-synthetic injector oil, specifically formulated for snowmobiles. Look for oils that meet or exceed API TC specifications, as these provide better lubrication and protection for the engine. Brands like Arctic Cat, Amsoil, and Klotz are popular choices among riders. Always refer to your owner's manual for specific recommendations and mixing ratiOS.