HYOSUNG 2010 ST7 Service Manual page 183

Apply SUPER GREASE A to the impeller shaft.
SUPER GREASE A
Install the impeller to the water pump body.
Fix the impeller shaft with the E-ring ①.
Fill the bearing with engine oil until engine oil comes
out from the hole of the bearing housing.
Apply engine coolant to the O-ring ②.
Install a new O-ring.
CAUTION
Use a new O-ring to prevent engine coolant
leakge.
Connect the water hoses.
Install the radiator outlet hose cover.
Install the water pump cover.
Pour engine coolant. (Refer to page 2-25)
Pour engine oil. (Refer to page 2-12)
①
COOLING SYSTEM 6-14
②