Evaporative Emission Control System Inspection - Suzuki GSX-R750 Service Manual

9-4 EMISSION CONTOROL INFORMATION

EVAPORATIVE EMISSION CONTROL SYSTEM INSPECTION

(Only for E-33)
• Remove the seats and frame cover.
• Remove the fuel tank. (4-51)
HOSES
Inspect the hoses for wear or damage.
Make sure that the hoses are securely connected.
CANISTER
Inspect the canister for damage to the body.
TANK PRESSURE CONTROL VALVE
Inspect the tank pressure contorol valve body for damage.
Inspect the tank pressure control valve operation as following
procedure.
• Remove the tank pressure control valve.
• When air pressure is applied to the tank pressure control valve
from the side A, there should be flow out through the purge
control valve.
• When air pressure is applied to the tank pressure control valve
from the side B, there should be hard to flow through the
purge valve.
• If operation differs from that listed above, the tank pressure
control valve must be replaced.
"
Gasoline and gasoline vapor is toxic. A small amount
of fuel is remaining in the tank pressure control valve,
when checking it.
Do not swallow the fuel when blowing the tank pres-
sure control valve.
NOTE:
When connecting the tank pressure control valve to the hose,
the side B should face toward the fuel shut-off valve side, and
the side A should face toward the canister side.