Honda GX120K1, Manual, Page: 87 / 133

6-8
CARBURETOR GX120K1•GX160K1•GX200
INSPECTION
FLOAT LEVEL HEIGHT
Place the carburetor in the position as shown and measure the
distance between the float top and carburetor body when the float
just contacts the seat without compressing the valve spring.
If the height is out of specification, replace the float and/or the float
valve. Recheck the float height.
CLEANING
CARBURETOR CLEANING
1.Clean the carburetor body with high flash point solvent.
2.Use low air pressure and clean the following parts and
passages:
• Internal or external vent port
• Pilot screw hole
• Pilot jet hole
• Pilot air jet
• Main air jet
• Transition ports
• Pilot outlet
Note:
Both “INTERNAL and EXTERNAL” vent ports are found on the
carburetor.
Carburetors that are “EXTERNALLY VENTED”, the external
vent passage is open to the carburetor bowl and the internal
vent passage is closed.
Carburetors that are “INTERNALLY VENTED”, the internal
vent passage is open to the carburetor bowl and the external
vent passage is closed.
Standard float height 13.7 mm (0.54 in)
WARNING
• To prevent serious eye injury, always wear safety goggles
or other eye protection when using compressed air.
CAUTION
• Some commercially available chemical cleaners are very
caustic.These cleaners may damage plastic parts such as
O-rings, floats and float valve seats. Check the container
for instructions. If you are in doubt, do not use these prod-
ucts to clean Honda carburetors.
• High air pressure may damage the carburetor. Use low
pressure settings when cleaning passages and ports.
gx120k1_gx160k1_gx200