Flushing Cooling System

FLUSHING COOLING SYSTEM
1. Install reservoir tank if removed.
2. Install radiator drain plug.
^ If water drain plug on cylinder block is removed, close and tighten it. Refer to EM-76. Disassembly and Assembly

CAUTION:
Be sure to clean radiator drain plug and install with new O-ring.

3. Fill radiator and reservoir tank with water and reinstall radiator cap.
4. Run engine and warm it up to normal operating temperature.
5. Rev engine two or three times under no-load.
6. Stop engine and wait until it cools down.
7. Drain water from the cooling system. Refer to "DRAINING ENGINE COOLANT".
8. Repeat steps 1 through 7 until clear water begins to drain from radiator.