Honda CTX700D 2018 Owner's Manual page 131

Exhaust Emission Requirements
The U.S. Environmental Protection Agency (EPA)
and the California Air Resources Board (CARB)
require that your motorcycle comply with
applicable exhaust, crankcase, and fuel
permeation emission standards during its useful
life, when operated and maintained according
to the instructions provided.
CARB also requires that your motorcycle
comply with applicable evaporative emission
requirements during its useful life, when
operated and maintained according to the
instructions provided.
Compliance with the terms of the Distributor's
Warranties for Honda Motorcycle Emission
Control Systems is necessary in order to
maintain a valid emissions system warranty.
The Vehicle Emission Control Information label
is attached to the left side of the swingarm.
Emission Control Systems
Vehicle emission control information
label
Noise Emission Requirements
The EPA requires that motorcycles built after
January 1, 1983 comply with applicable noise
emission standards for one year or 3,730 miles
(6,000 km) after the time of purchase when
operated and maintained according to the
instructions provided.
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