Honda CBR650 - Service manual > Cooling system

See also:

 Honda CBR650 - Service manual > Secondary air supply system

SYSTEM INSPECTION Start the engine and warm it up to normal operating temperature. Stop the engine. Lift the fuel tank and support it. Disconnect the air supply hose [1] from the air cleaner housing.

 Honda CBR650 - Service manual > Service information

GENERAL WARNING Removing the radiator cap while the engine is hot can allow the coolant to spray out, seriously scalding you. Always let the engine and radiator cool down before removing the radiator cap.