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Emission Control Systems
102
Information
The exhaust emission control system consists of
appropriate carburetor settings, and no
adjustment should be made except idle speed
adjustment with the throttle stop screw.
An evaporative emissions control system uses a
canister filled with charcoal to absorb fuel vapor
from the fuel tank while the engine is off. The
vapor is drawn into the engine and burned
while riding.
The positive crankcase ventilation system
prevents gases that build up in the engine’s
crankcase from being released into the
atmosphere. The gases are drawn into the
engine and burned while riding.
The fuel tank, fuel hoses, and fuel vapor charge
hoses use fuel permeation control technologies
to prevent fuel vapor emissions.
Tampering with these components to reduce or
defeat the effectiveness of the fuel permeation
technologies is prohibited.
Exhaust Emission Control System
Evaporative Emission Control System
50-STATE model (meets California)
Crankcase Emissions Control System
Fuel Permeation Emission Control
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