Procedure
Cooling system flush completion and drainage
1. Place the shift lever in the neutral position and start the engine and run at idle speed for 3–5 minutes. 2. Check if a steady stream of water flows from the cooling water check port. 3. Stop the engine and turn off the water. Remove the flushing device. Install the propeller. 4. Leave the outboard motor in vertical position to completely drain the cooling water from the outboard motor.