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EMISSION CONTROL SYSTEMS
Noise Emission Control System
Do not modify the engine, intake or exhaust components, as doing so
may affect compliance with U.S.A. EPA noise control requirements and
local noise level requirements.
Crankcase Emission Control System
This engine is equipped with a closed crankcase system. Blow-by gases
are forced back to the combustion chamber by the intake system. All
exhaust gases exit through the exhaust system.