Emission Control System - Honda GX160 Operational Manual

Emission control system

Emission Source
During combustion, it will produce CO, Nitrogen oxides and Hydrocarbons. Controlling the
emission of Nitrogen oxides and Hydrocarbons are very important. Under certain conditions, such
as under sunshine, these both material will interactive and formation of photochemical smog, but
the CO have not such interactive, it's toxic.
The Honda company using the lean carburetor and other system to reduce the emission of CO,
Nitrogen oxides and Hydrocarbons.
Modified gasoline engine
The modified gasoline engine will make the emission increase and excess the legal rules, the
modified parts as below:
 Move or change the vent, which it's belong to one of the fuel system or exhaust system.
 Change the connection method of adjustor or speed adjustor, which make the gasoline
running speed excess its design data request.
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