Honda PCX125 2011 Owner's Manual page 201

Emission Control Systems
Fuel Permeation Emission Control
System
This vehicle complies with the Fuel
Permeation Emission Control regulations
of the U.S. Environmental Protection
Agency (EPA) and the California Air
Resources Board (CARB). The fuel tank,
fuel hoses, and fuel vapor charge hoses
used on this vehicle incorporate fuel
permeation control technologies.
Tampering with the fuel tank, fuel hoses,
or fuel vapor charge hoses to reduce or
defeat the effectiveness of the fuel
permeation technologies is prohibited by
federal regulations.
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Technical Information