Emission Control System Contents; Emission Control System Service Information; Emission Control System Troubleshooting - Honda Motorcycle Service Manual

7. EMISSION CONTROL SYSTEMS
SERVICE INFORMATION
7-1
SYSTEM INSPECTIONS
7-5
TROUBLESHOOTING
7-1
EMISSION CONTROL INFORMATION
SYSTEM DESCRIPTIONS 7-2
LABELS 7-9
SERVICE l NFORMATION
CAUTION
I
.
To prevent damage, be sure to remove the diaphragms before cleaning air and fuel passages with compressed air.
All hoses used in the pulse secondary air supply and evaporative emission control systems are numbered for identification.
When connecting one of these hoses, compare the hose number with the Vacuum Hose Routing Diagram Label (Refer
to the Model Specific manual)
*Refer to the Model Specific manual for emission control system application
TROUBLESHOOTING
Engine stalls, hard t o start, rough idling
e Evaporative emission purge control valve (EVAP purge control valve) faulty
Evaporative emission carburetor air vent control valve (EVAP CAV control valve) faulty
8
Hoses in the emission control system faulty
Afterburn w h e n engine braking is used
e Pulse secondary air supply system faulty
8
Hoses in emission control system faulty
Poor poerformance (driveability) and poor fuel economy
8
Faulty evaporative emission carburetor air vent control valve (EVAP CAV control valve)
Damaged/misconnected emission control system hoses
Date of Issue: March, 1995
O
HONDA MOTOR CO.,LTD