The recommended amount of fork oil for a specific motorcycle model, such as the NS 200, can vary depending on factors like the model year and specific suspension setup. To obtain the most accurate information, it's best to refer to the owner's manual or contact an authorized service center for your motorcycle.
The owner's manual typically provides detailed instructions on the fork oil capacity and specifications for your particular model. It may also include instructions on the correct type and viscosity of fork oil to use. If you don't have access to the owner's manual, contacting a local authorized service center or consulting with a knowledgeable mechanic who specializes in your motorcycle brand would be advisable. They will be able to provide you with the specific information for your NS 200 model.