Honda WB30XT Owner's Manual page 54

TECHNICAL INFORMATION
Air Index
(Models certified for sale in California)
An Air Index Information hang tag/label is applied to engines certified
to an emission durability time period in accordance with the
requirements of the California Air Resources Board.
The bar graph is intended to provide you, our customer, the ability to
compare the emissions performance of available engines. The lower
the Air Index, the less pollution.
The durability description is intended to provide you with information
relating the engine's emission durability period. The descriptive term
indicates the useful life period for the engine's emission control
system. See your Emission Control System Warranty for additional
information.
Descriptive Term
Moderate
Intermediate
Extended
52
Applicable to Emissions Durability Period
50 hours [0—80 cm
125 hours [greater than 80 cm
125 hours [0—80 cm
250 hours [greater than 80 cm
300 hours [0—80 cm
500 hours [greater than 80 cm
1,000 hours [225 cm
3
(0—80 cc) inclusive]
3
(80 cc)]
3
(0—80 cc) inclusive]
3
(80 cc)]
3
(0—80 cc) inclusive]
3
(80 cc)]
3
(225 cc) and greater]