Operation Manual

60
TECHNICAL INFORMATION
Air Index
(Models sold in California)
An Air Index Information label is applied to engines certified to an
emission
dur
ability 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
r
elating t
o 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 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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