HYOSUNG Aquil GV650 Service Manual page 107

● Remove the valve seat ①.
● Remove the main jet ②, jet holder ③ and pilot jet ④.
● Remove the pilot screw ⑤ counting and tightening
the number of turn.
NOTE
Record the number of turn for the pilot screw
when install to confer.
◉ INSPECTION
Check the following parts for damage and clogging.
∙Pilot jet
∙Main jet
∙Main air jet
∙Pilot air jet
∙Needle jet holder
∙Needle valve
∙Valve seat
If any abnormal condition is found, wash the part clean.
If damage or clogging is found, replace the part with a
new one.
◉ CLEANING
● Clean all jets by using compressed air.
● After cleaning, reassemble the carburetor with new
seals and gaskets.
∙Piston valve
∙Starter jet
∙Gaskets and O-rings
∙Pilot outlet and bypass
∙Float
∙Jet needle
②
③
Check for
stopped
wear
Needle valve
FUEL SYSTEM 4-6
④
①
⑤
Foreign
substance