The information on the product label indicates which standard your engine is certified. Example: (Year) EPA Phase 1 or Phase 2 and/or CALIFORNIA.

This engine is certified to be emissions compliant for the following use:

Moderate (50 hours)

Intermediate (125 hours) Extended (300 hours)

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Poulan PPB1838, PPB1634, 530164284 instruction manual Intermediate 125 hours Extended 300 hours