Honda GXV610 Owner's Manual page 8

ENGINE SAFETY
Carbon Monoxide Hazards
Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of ex-
haust gas. Never run the engine in a closed garage or confined area.
Other Equipment
Review the instructions provided with the equipment powered by this engine
for any additional safety precautions that should be observed in conjunction
with engine startup, shutdown, or operation, or protective apparel that may be
needed to operate the equipment.