Warning response
Water-in-fuel warning
What you may observe
- The water-detection warning indicator flashes when the equipped sensor detects accumulated water.
What it means
The warning indicates that water has accumulated in the fuel water separator.
Immediate safe response
Stop the engine. Do not continue normal operation with water-contaminated fuel. Return safely and have a Yamaha dealer inspect the system; owner fuel-separator draining is not included in this warning guidance.