8-5
HRN216 FUEL SYSTEM
CLEANING
Use Honda Carburetor Cleaner (P/N 08732-CC000) with its plastic spray nozzle to clean the carburetor ports.
Some commercially available chemical carburetor cleaners are very caustic. These cleaners may damage plastic
parts such as O-rings, floats, choke valves, and float valve seats. Check the container for instructions. If you are in
doubt, do not use these products to clean Honda carburetors.
Completely disassemble the carburetor (P. 8-3)
.
High air pressure may damage the carburetor. Use low pressure settings (207 kPa [30 psi] maximum) when cleaning
passages.
1. Thoroughly clean the outside of the carburetor body using
carburetor cleaner and compressed air.
Inspect the carburetor body, throttle and choke levers, and
pilot screw (including limiter cap) for damage. If any
damage exists, carburetor replacement may be necessary.
2. Remove the set bolt, float chamber, float pin, float valve,
and float.
Clean and then inspect the float valve tip for damage and
replace if necessary.
3. Remove the main jet and the main nozzle.
With the main jet removed, push down on the top of the
main nozzle with a screwdriver.
If the nozzle does not come out, spray carburetor cleaner
around the nozzle to loosen it and tap the carburetor on the
workbench.
CAUTION
Applying pressure into small passages can cause fluid,
debris, and air to shoot back into your face.
You can be injured by flying debris or fluid or pressurized air.
Always wear a face shield or safety glasses when using
carburetor cleaner or compressed air.
SET BOLT
FLOAT
VALVE
FLOAT
PIN
FLOAT
FLOAT
CHAMBER
CARBURETOR BODY
SCREWDRIVER
NOZZLE
MAIN
JET
MAIN JET
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