Suzuki GSX1300BK B-King Service Manual page 224

Tank Pressure Control Valve
Inspect the tank pressure control valve body for damage.
Inspect the tank pressure control valve operation in the
following procedures:
1) When air pressure is applied lightly to the tank
pressure control valve from the side "A" (orange
color), air should flow out through the valve
smoothly.
2) When air pressure is applied lightly to the tank
pressure control valve from the side "B" (Black
color), air should flow out through the valve difficulty.
"A"
3) If the tank pressure control valve operates otherwise,
it must be replaced.
WARNING
!
Gasoline and gasoline vapor is toxic. A small
amount of fuel remains in the tank pressure
control valve when checking it. Do not
swallow the fuel when blowing the tank
pressure 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.
Fuel Shut-Off Valve
Inspect the fuel shut-off valve body for damage.Inspect
the fuel shut-off valve operation in the following
procedures:
"B"
I823H1120036-04
Emission Control Devices:
1) When air is blown into the fuel shut-off valve with its
side "A" positioned upward, the air can pass through
to the canister side.
2) When air is blown into the fuel shut-off valve with its
side "A" positioned sideways, the air cannot pass
through to the canister side. If the fuel shut-off valve
operates otherwise, it must be replaced.
WARNING
!
Gasoline and gasoline vapor is toxic. A small
amount of fuel remains in the fuel shut-off
valve when checking it. Do not swallow the
fuel when blowing the fuel shut-off valve.
"A"
1B-17
"A"
I823H1120037-01
I823H1120038-02