Remounting - Suzuki DR-Z400S 2001 Service Manual

3-66 ENGINE
REED VALVE
Inspect the reed valve for carbon deposits. If carbon deposits
are found in the reed valve, replace the reed valve with a new
one.
PAIR VALVE
Inspect that air flows through the PAIR (air supply) valve air inlet
port A to the air outlet parts B. If air does not flow out, replace
the PAIR (air supply) valve with a new one.
Connect the vacuum pump gauge to the vacuum port of the
PAIR valve as shown in the photograph.
Apply negative pressure slowly to the PAIR (air supply) valve
and inspect the air flow.
If air does not flow out within the specified range, the PAIR
(air supply) valve is in normal condition.
If the PAIR (air supply) valve does not function within the speci-
fied range, replace the PAIR (air supply) valve with a new
one.
Negative pressure range:
09917-47010: Vacuum pump gauge
Use a hand operated vacuum pump to prevent PAIR
(air supply) valve damage.

REMOUNTING

Remount the PAIR (air supply) valve assembly in the reverse
order of removal.
37.3 – 60.0 kPa (280 – 450 mmHg)
B
A