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Technical Information
189
Emission Control Systems
Crankcase Emission Control System
The engine is equipped with a closed crankcase system to prevent
discharging crankcase emissions into the atmosphere. Blow-by gas is
returned to the combustion chamber through the air cleaner and the
carburetor.
Problems That May Affect ATV Exhaust Emissions
If you are aware of any of the following symptoms, have the vehicle
inspected and repaired by your ATV dealer.
Symptoms:
1.
Hard starting or stalling after starting
2.
Rough idle
3.
Misfiring or backfiring during acceleration
4.
After-burning (backfiring)
5.
Poor performance (driveability) and poor fuel economy
Federal regulations prohibit removing or disabling a device or
element of design that may affect your engine’s emission
performance unless your ATV will be used exclusively in competition.
If you modify your engine for use in sanctioned competition events,
you must deface or destroy the emission control information label.
If you loan, sell, or give your competition modified ATV to someone
else, according to applicable law, you must inform the new
owner/operator in writing that the vehicle is to be used for
competition only.
20 TRX90X-31HP27200.book 189 ページ ２０１９年５月２８日 火曜日 午前９時５８分
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