Engine Components Inspection And Service; Pair Valve - Suzuki GSX1400 Service Manual

3-22 ENGINE
ENGINE COMPONENTS INSPECTION
AND SERVICE
Identify the position of each removed part. Organize the
parts in their respective groups (i.e., intake, exhaust, No.1
or No.2) so that they can be installed in their original
locations.

PAIR VALVE

REMOVAL AND INSTALLATION
• Remove the fuel tank.(
• Disconnect the PAIR valve hoses and remove the PAIR valve.
INSPECTION
PAIR REED VALVE HOSE
• Inspect the PAIR valve hose for damage and connection.
PAIR REED VALVE
• Inspect the reed valve for the carbon deposit.
• If the carbon deposit is found in the reed valve, replace the
PAIR control valve with a new one.
PAIR CONTROL VALVE
• Inspect that air flows through the PAIR control valve air inlet
port to the air outlet ports.
• 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
control valve as shown in the photograph.
• Apply negative pressure slowly to the control valve and inspect
the air flow.
• If air does not flow out, the control valve is in normal condition.
• If the control valve does not function within the specification,
replace the control valve with a new one.
Negative pressure range
(Standard): 38.7 – 53.3 kPa (280 – 390 mmHg)
09917-47010: Vacuum pump gauge
Use a hand operated vacuum pump gauge to prevent
the control valve damage.
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