Flushing Engine Coolant

ENGINE COOLANT

Flushing

1.Install reservoir tank if removed, and radiator drain plug.

CAUTION:
Be sure to clean drain plug and install with new O-ring. Refer to "Exploded View" Exploded View.





If water drain plug on cylinder block is removed, close and tighten it. Refer to "Disassembly and Assembly" Disassembly and Assembly.





2.Remove air relief plug (1) on heater hose.





3.Fill radiator and reservoir tank with water until water spills from the air relief holes, then close air relief plugs with clamp. Fill radiator and reservoir tank with water and reinstall caps.
4.Run the engine and warm it up to normal operating temperature.
5.Rev the engine two or three times under no-load.
6.Stop the engine and wait until it cools down.
7.Drain water from the system. Refer to "Draining" Draining Engine Coolant.
8.Repeat steps 1 through 7 until clear water begins to drain from radiator.