Using A Spark Arrestor; Spark Ignition System - Scag Power Equipment SFC-21-5CV Operator's Manual

Section 2
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2.7 USING A SPARK ARRESTOR

The engine in this machine is not equipped with a spark arrestor muffler.
It is in violation of California Public Resource Code Section 4442 to use
or operate this engine on or near any forest covered, brush covered
or grass covered land unless the exhaust system is equipped with a
spark arrestor meeting any applicable local or state laws. Other states
or federal areas may have similar laws. Check with your state or local
authorities for regulations pertaining to these requirements.

2.8 SPARK IGNITION SYSTEM

This spark ignition system complies with Canadian ICES-002.
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