Polaris 2011 ATV Sportsman Forest 550 - Manual (Page 69)

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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 governmental noise level requirements.
Spark Arrestor
Your POLARIS vehicle has a spark arrestor that was designed for on-
road and off-road operation. It is required that this spark arrestor remain
installed and functional when the vehicle is operated.
Exhaust Emission Control System
Exhaust emissions are controlled by engine design. An electronic fuel
injection (EFI) system controls fuel delivery. The engine and EFI com-
ponents are set at the factory for optimal performance and are not
adjustable.
Electromagnetic Interference
This spark ignition system complies with Canadian ICES-002.
This vehicle complies with the EMC requirements of European direc-
tives 97/24/EC and 2004/108/EC.
Non-ionizing Radiation: This vehicle emits some electromagnetic
energy. People with active or non-active implantable medical devices
(such as heart monitoring or controlling devices) should review the lim-
itations of their device and the applicable electromagnetic standards and
directives that apply to this vehicle.