It does not use transmission fluid. The transmission is lubricated by the same oil the engine uses for it's lubrication.

What engine does your Cat have? Please ignore the ignorant answer you received. If you have a "wet" clutch you will need to use a specific motorcycle grade oil safe for wet clutch use. There are friction modifiers that won't allow the clutch to slip. DO NOT use automotive grade oil in a wet clutch … Read more