8-11
HRX217HYA • HRX217HZA FUEL SYSTEM
8. Clean the main jet and nozzle bore thoroughly using carburetor
cleaner and compressed air.
Inspect the inside of the bore for contamination.
9. Clean the pilot jet thoroughly by using the appropriate size jet
cleaning tool, carburetor cleaner, and compressed air.
The passage is small and easily obstructed, so repeat several
times.
It is not necessary to remove the pilot screw at this point.
IMPORTANT:
It is vital to use the jet cleaning tool to remove stubborn debris.
Cleaning only with carburetor cleaner and compressed air may
not be enough to fully remove contaminants inside the pilot jet.
10. Clean the high speed air passage with carburetor cleaner
and compressed air.
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