Honda VT750C2 Shadow Spirit Service Manual page 131

FUEL SYSTEM
INSPECTION
NOTE:
The EVAP CAV control valve should be inspected if
r - - - - - - - - - - - - - - - - - - - - ,
hot restart is difficult.
SUB AIR CLEANER PORT
Remove the EVAP CAV control valve (page 6-31).
t
Connect a vacuum pump to the vacuum port.
EVAP CAN ISTER
Apply the specified vacuum to the EVAP CAV con ­
PORT
trol valve.
/ '
.........
SPECIFIED VACUUM: 500 mm Hg (19.7 in Hg)
The specified vacuum should be maintained.
Replace the EVAP CAV control valve if vacuum is
not maintained.
FUEL CUT-OFF
SOLENOID VALVE
PORT
Remove the vacuum pump and connect it to the sub
air cleaner port.
Apply vacuum to the EVAP CAV control valve. The
vacuum should hold steady.
Replace the EVAP CAV control valve if vacuum
leaks.
VACUUM PUMP
Remove the vacuum pump and reconnect it to the
vacuum port.
Connect a pressure pump to the sub air cleaner
port. •
Damage
to
the
While applying vacuum to the vacuum port, pump
EVAP CAV control
airthroughthesub aircleaner port.
valve may result
Air shouldflolN
t~follgh
the EVAP CAV control valve
from use of
a
high
and out the fuel cl..It"off solenoid valve port.
pressure air source.
Use
a
hand­
operated air pump
only.
Plug the fuel cut-off solenoid valve port.
While applying vacuum to the vacuum port, pump
air through the sub air cleaner port.
It should hold steady.
Replace the EVAP CAV control valve if pressure is
not retained.
Remove the pumps and install the EVAP CAV con ­
trol valve (page 6-31).
VACUUM PUMP
6-32