From inside (document excerpt):
Form No. 3326-376 Rev A 924, 1028, and 1332 Power ShiftR Snowthrower Model No. 38547–220000001 and Up Model No. 38560–220000001 and Up Model No. 38592–220000001 and Up Operator’s Manual Domestic English (EN) Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Important This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to use or operate this engine on any forestcovered, brushcovered or grasscovered land.
Other states or federal areas may have similar laws. This spark ignition system complies with Canadian ICES-002. Ce système d’allumage par étincelle de véhicule est conforme à la norme NMB-002 du Canada. The enclosed Engine Owner’s Manual is supplied for information regarding The U.S. Environmental Protection Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance and warranty. Keep this engine Owner’s Manual with your unit. Should this engine Owner’s Manual become damaged or illegible, replace immediately. Replacements may be ordered through the engine manufacturer. Contents Introduction . Safety Safe Operating Practices Toro Snowthrower Safety . Safety and Instruction Decals . Assembly . Loose Parts . Installing the Auger/Impeller Housing . Installing the Shift Rod . Installing the Discharge Chute Installing the Chute Control Gear . Installing the Skids . Before Starting . Filling the Engine Crankcase with Oil Filling the Fuel Tank with Gasoline Checking the Tire Pressure Reviewing the Maintenance Schedule Operation . Operating Controls . Removing the Carburetor Heater Box Installing the Carburetor Heater Box . W 2001 by The Toro Company 8111 Lyndale Avenue South Bloomington, MN 55420-1196 Starting the Engine.