58
TECHNICAL INFORMATION
Emission Control System Information
Source of Emissions
The combustion process produces carbon monoxide, oxides of nitrogen,
and h
ydrocarbons. Control of hydrocarbons and oxides of nitrogen are
very important because, under certain conditions, they react to form
photochemical smog when subjected to sunlight. Carbon monoxide
does not react in the same way, but it is toxic.
Honda utilizes appropriate air/fuel ratios and other emissions control
sy
stems to reduce the emissions of carbon monoxide, oxides of
nitrogen, and hydrocarbons.
Additionally, Honda fuel systems utilize components and control
technologies t
o
reduce evaporative emissions.
The U.S. and California Clean Air Acts
EPA and California regulations require all manufacturers to furnish
written instruction
s describing the operation and maintenance of
emission control systems.
The following instructions and procedures must be followed in order to
k
eep the emission
s from your Honda engine within the emission
standards.
Tampering and Altering
Tampering is a violation of Federal and California law.
Tampering with or altering the emission control system may increase
emissions
b
eyond the legal limit. Among those acts that constitute
tampering are:
• Removal or alteration of any part of the intake, fuel, or exhaust
syst
ems.
• Altering or defeating the governor linkage or speed-adjusting
mechanism
t
o cause the engine to operate outside its design
parameters.
31Z037210.book 58 ページ ２０１４年１月２７日 月曜日 午後１２時２分
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