Dolmar MS-250.4, MS-251.4 instruction manual Emission Compliance Period

EMISSION COMPLIANCE PERIOD

For handheld engines : The Emissions Compliance Period referred to on the Emissions Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal emission requirements.

Category C=50 hours, B=125 hours, and A=300 hours.

Air Index and durability period information

The Air Index Information hang-tag for this engine is provided in accordance with the California emission regulations.

The graphical representation of the Air Index on the hang-tag shows the emissions performance of this engine, and can be used to compare the emissions performance with other available engines.

The lower the Air Index, the less pollution.

Note: Remove the hang-tag before operating the engine.

The Emissions Durability Period referred to on the hang-tag indicates the number of operating hours for which the engine has been shown to meet the California emission requirements.

Descriptive term	Applicable to Emissions Durability Period
Moderate	50hours (0-80 cc, inclusive)
Intermediate	125hours (0-80 cc, inclusive)
Extended	300hours (0-80 cc, inclusive)

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