On a Yamoto 200......

On the left side engine case is a chrome cover, inset, with a groove in the top for a screwdriver to unscrew. Does anyone know what fluid and how much goes in here if anything?

Also, rear gear oil. Does anyone know the capacity?

Thanks

 

you'll be sorry if you put any type of fluid in their,it's to check timing marks on the flywheel.

 

didn't think anything went in there.. Thanks