Honda BF25A Owner's Manual page 76

11. MAINTENANCE
One Star
Low Emission
The one-star label identifies engines that
meet the Air Resources Board's 2001
exhaust emission standards. Engines
meeting these standards have 75% lower
emissions than conventional carbureted
two-stroke engines. These engines are
equivalent to the U.S. EPA's 2006
standards for marine engines.
Two Stars
Very Low Emission
The two-star label identifies engines that
meet the Air Resources Board's 2004
exhaust emission standards. Engines
meeting these standards have 20% lower
emissions than One Star - Low-Emission
engines.
Three Stars
Ultra Low Emission
The three-star label identifies engines
that meet the Air Resources Board's
2008 exhaust emission standards.
Engines meeting these standards have
65% lower emissions than One Star -
Low-Emission engines.
Cleaner Watercraft - Get the Facts
l-800-END-SMOG
www.arb.ca.gov
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