Slow Air Cutoff Valve - Honda Gold Wing GL1200D Shop Manual

~HONDA
~
GL1200D'GL1200A
SLOW AIR CUTOFF VALVE
INSPECTION
Remove the carburetor assembly (page 4·3}.
Disconnect the air outlet tubes from the air joint
pipes.
Disconnect the vacuum tube from the slow air
cutoff valve.
Connect the vacuum gauge to the valve.
Pinch the end of the air outlet tube and exhale air
into the other erid to check that air flows through
the outlet tube into the air chamber.
With the specified amount of vacuum applied to
the diaphragm, check that no air flows through
the outlet tube.
SPECIFIED VACUUM:
420-480
mm
(16.5-18.9
in)
Hg
Apply the same procedures to the remaining outlet
tube.
REPLACEMENT
FUEL SYSTEM
SLOW AIR CUTOFF VALVE
~VACUUM
PUMP
Remove the cover, spring and diaphragm.
Use compressed air to clean air passage.
Install the slow air cutoff valve in the reverse order
of removal.
SPRING
DIAPHRAGM
COVER
4-19