Kawasaki J300 - Service manual > Fuel System (DFI)
The scheduled maintenance must be done in accordance with this chart to keep the motorcycle in good running condition. The initial maintenance is vitally important and must not be neglected.
NOTE In dusty areas, the element should be replaced more frequently than the recommended interval. WARNING If dirt or dust is allowed to pass through into the throttle body assy, the throttle may become stuck, possibly causing accident. Replace the air cleaner element according to the maintenance chart.