Champion Power Equipment 72531i Owner's Manual download pdf (Page 68)

Technical & Consumer 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 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 (page 75) for

additional information.

The Air Index Information hang tag/label must remain on the lawn

mower until it is sold. Remove the hang tag before operating the lawn

mower.

Descriptive Term Applicable to Emissions

Durability Period

Moderate 50 hours (0–65 cc)

125 hours (greater than 65 cc)

Intermediate 125 hours (0–65 cc)

250 hours (greater than 65 cc)

Extended 300 hours (0–65 cc)

500 hours (greater than 65 cc)

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Champion Power Equipment 72531i Owner's Manual Page 68