1．FOREWORD
This manual provides information and procedures to safely operate and maintain this
model．For your own safety and protection from injury，carefully read，understand and
observe the safety instructions described in this manual．
Keep this manual or a copy of it with the machine．If you lose this manual or need an
additional copy，please contact our Corporation．This machine is built with user safety in
mind；however，it can present hazards if improperly operated and serviced．Follow
operating instructions carefully! If you have questions about operating or servicing this
equipment，please contact our Corporation．
The information contained in this manual was based on machines in production at the
time of publication．Our Corporation reserves the right to change any portion of this
information without notice．
All rights，especially copying and distribution rights，are reserved．
2．EMISSION CONTROL SYSTEM INFORMATION
Source of Emissions
The combustion process produces carbon monoxide，oxides of nitrogen，and
hydrocarbons ．Control of hydrocarbons and oxides of nitrogen is 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．
W
e utilizes lean carburetor settings and other systems to reduce the emissions of
carbon monoxide，oxides of nitrogen，and hydrocarbons．
The U.S. and California Clean Air Acts
EPA and California regulations require all manufacturers to furnish written instructions
describing the operation and maintenance of emission control systems．
The following instructions and procedures must be followed in order to keep the
emissions from the engine within the emissions standards．
Tampering and Altering
Tampering with or altering the emission control system may increase emissions
beyond the egal limit．Among those acts that constitute tampering are：
●Removal or alteration of any part of the intake，fuel，or exhaust systems．
●Altering or defeating the speed-adjusting mechanism to cause the engine to operate
outside its design parameters．
Problems That May Affect Emissions
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