Honda BF15A Owner's Manual page 74

TECHNICAL & CONSUMER INFORMATION
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
1-800-END-SMOG www.arb ca.gov
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