Crankcase Emission Control System Description - Suzuki SFV650 Service Manual

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. Air cleaner box
2. PCV (breather) hose
1
2
"A": Fresh air
"B": Fuel/Air mixture
Emission Control Devices:
"A"
"B"
"C"
"C": Blow-by gas
1B-2
B944H11201002
I944H1120017-01