Crankcase Emission Control System - Suzuki Intruder VZR1800 Service Manual

CRANKCASE EMISSION CONTROL SYSTEM

The engine is equipped with a PCV system to prevent discharging crankcase emissions into the atomo-
sphere. Blow-by gas in the engine is constantly drawn into the crankcase, which is returned to the combus-
tion chamber through the PCV (breather) hose, air cleaner and throttle body.
1 PAIR control solenoid valve
2 PCV hose
A FRESH AIR
B FUEL/AIR MIXTURE
C EXHAUST GAS
D BLOW-BY GAS
E RETURN OIL
EMISSION CONTROL INFORMATION 12-3