What gas and oil do 250 xs and 300xs need?

The 250 XS and 300 XS are models of outboard motors typically manufactured by brands like Mercury or Yamaha. These engines generally require a mixture of gasoline and oil for optimal performance. For specific fuel-to-oil ratiOS, it's essential to consult the owner's manual, as it may vary depending on the model and year. Typically, a common ratio for two-stroke engines is 50:1, meaning 50 parts gasoline to 1 part oil.