68
TECHNICAL INFORMATION
Air Index
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 to 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 Warranty
for additional information.
Descriptive Term
Applicable to Emission Durability Period
Moderate
50 hours (0–80 cc, inclusive)
125 hours (greater than 80 cc)
Intermediate
125 hours (0–80 cc, inclusive)
250 hours (greater than 80 cc)
Extended
300 hours (0–80 cc, inclusive)
500 hours (greater than 80 cc)
1,000 hours (225 cc and greater)
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Summary of Contents for HS724
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