What weight oil to use in a 1993 yamaha tw200?

For a 1993 Yamaha TW200, it is recommended to use 10W-40 or 20W-50 motor oil, depending on the ambient temperature and riding conditions. In colder climates, 10W-40 is preferable, while 20W-50 is suitable for warmer temperatures. Always check the owner's manual for specific recommendations and ensure the oil meets the required specifications for your engine.