The irxf_n_tierx On the produu_ label indicates which 81:andard your engine is certified.
Example: (Year) EPA Phase 1 or Phase 2 _ndior CALIFORNIA,
This errgino is certified to be ernissions _ornpliant for the following use;
[] Mo_e_to (50 hour_)
[] Inten_lediato {125 hours)
[] Extorldcd (300 hours)
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