HYOSUNG 2010 ST7 Service Manual page 43

2-25 PERIODIC MAINTENANCE
OPEN THE RADIATOR CAP
Remove the right frame head cover ① to operate the
radiator cap ③.
To disassemble the right frame head cover ①, remove
the two mounting bolts ②.
WARNING
You can be injured by scalding fluid or steam if
you open the radiator cap when engine is hot.
After the engine cools, wrap a thick cloth around
cap and carefully remove the cap by turning it a
quarter to allow pressure to escape and then turn
the cap all the way off.
ENGINE COOLANT REPLACE-
MENT
WARNING
Do not open the radiator cap when the engine is
hot, as you may be injured by escaping hot liquid
or vapor.
Remove the right frame head cover ①.
Remove the radiator cap ③.
Remove the coolant reserve tank filler cap ④.
Place a pan below the water pump, and then drain
the engine coolant by removing the drain bolt ⑤.
Flush the radiator with fresh water, if necessary.
Tighten the coolant drain bolt ⑤ to the specified
torque.
Coolant drain bolt
: 11 ~ 14 N· · m (1.1 ~ 1.4 kgf· · m)
Pour the engine coolant through the radiator cap
inlet.
Engine coolant capacity
Reserve tank side
Radiator side
Engine side
NOTE
For engine coolant information, refer to page 6-1
Bleed the air from the engine coolant circuit as fol-
lowing procedure.
230
430
940
①
③
④
⑤
②