Honda 1998 VT750C Service Manual page 118

Plug the hose that goes to the carburetor air joint
pipe.
While applying vacuum to the EVAP CAV CONTROL
VALVE No. 10 hose that goes to the right carburetor
body, apply air pressure.
Remove the pumps, install the EVAP CAV CONTROL
VALVE on its mount, route and reconnect the hoses
according to the routing label.
FUELSVSTEM
TOOL:
Vacuum/pressure pump
Vacuum pump
Pressure pump
A937-041-XXXXX or
5T -AH-260-MC7
5T -AH-255-MC7
5-31