Honda GX610 Owner's Manual page 19

OPERATION
SAFE OPERATING PRECAUTIONS
Before operating the engine for the first time, please review the
IMPORTANT SAFETY INFORMATION on page
5 and the chapter titled
BEFORE OPERA TION.
Carbon monoxide gas is toxic.
Breathing it can cause
unconsciousness and even kill you.
Avoid any areas or actions that
expose you to carbon monoxide.
Review the instructions provided with the equipment powered by this
engine for any safety precautions that should be observed in
conjunction with engine startup, shutdown, or operation.
STARTING THE ENGINE
1. If the fuel tank is equipped with a valve, be sure the fuel valve is in
the OPEN or ON position before attempting to start the engine.
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