Crankcase Emission Control System Description - Suzuki GSX-R750 Service Manual

1B-2 Emission Control Devices:

Crankcase Emission Control System Description

The engine is equipped with a PCV system to prevent discharging crankcase emissions into the atmosphere. Blow-by
gas in the engine is constantly drawn into the crankcase, which is returned to the combustion chamber through the
PCV (breather) hose, air cleaner and throttle body.
1
1. PAIR control solenoid valve
2. PCV hose
"A"
"B"
"C"
"D"
"E"
"A": Fresh air
"B": Fuel/Air mixture
2
"C": Exhaust gas
"D": Blow-by gas
B838H21201002
I837H1120046-01
"E": Return oil