Pair Valve Inspection - Suzuki FL125S Service Manual

3-83 ENGINE

PAIR VALVE INSPECTION

• Remove the PAIR valve. ($3-10)
• Check that air flows through the PAIR valve air inlet port to the
air outlet port. If air does not flow out, replace the PAIR valve
with a new one.
• Connect the vacuum pump gauge to the vacuum port of the
valve as shown in the photograph.
• Apply negative pressure slowly to the valve and inspect the
air flow. If air does not flow out, the valve is in normal condi-
tion. If the valve does not function, replace it with a new one.
% Negative pressure range:
& 09917-47011: Vacuum pump gauge
#
Use a hand operated vacuum pump to prevent valve
damage.
REASSEMBLY
• Install the PAIR reed valve 1.
• Install the PAIR reed valve cover 2.
• Install the PAIR valve. ($3-81)
39.3 – 50.0 kPa (294.8 – 375 mmHg)