* Unleaded Fuel: 91 pump octane or higher.
* 2-Stroke Oil: Use KAWASAKI Genuine Semi-Synthetic 2-Stroke Engine Oil at a ratio of 40:1. Always mix fuel and oil thoroughly every time. (Using other than the specified ratio can cause engine damage and void the warranty).
Trail or Enduro Riding (Open-Course Competition)
* Unleaded Fuel: 87 pump octane or higher.
* 2-Stroke Oil: Use KAWASAKI Genuine Semi-Synthetic 2-Stroke Engine Oil at a ratio of 32:1. Always mix fuel and oil thoroughly every time. (Using other than the specified ratio can cause engine damage and void the warranty).
When using the KX250 for mixed competition (both Closed and Open-Course), use a ratio of 32:1.
