Intermediate: Engine is certified to be emissions compliant for 250 hours of actual engine running time. Extended: Engine is certified to be emissions compliant for 500 hours of actual engine running time. For example, a typical walk-behind lawn mower is used 20 to 25 hours per year. Therefore, the Emissions Durability Period of an engine with an intermediate rating would equate to 10 to 12 years. Briggs & Stratton engines are certified to meet the United States Environmental Protection Agency (

Maintenance Use only original equipment replacement parts. Other parts may not perform as well, may damage the unit, and may result in injury. In addition, use of other parts may void your warranty. We recommend that you see any Briggs & Stratton Authorized Dealer for all maintenance and service of the engine and engine parts. NOTICE: All the components used to build this engine must remain in place for proper operation. Emissions Control Maintenance, replacement, or repair of the emissions cont

period stated above. If any such part fails during the period of warranty a. Fuel Metering System coverage, the part will be repaired or replaced by B&S at no charge to the • Cold start enrichment system (soft choke) owner. Any such part repaired or replaced under the warranty will be warranted for the remaining warranty period. • Carburetor and internal parts • Fuel pump • Any warranted part that is scheduled only for regular inspection in the owner’s manual supplied, is warranted for the warra

2. Use pliers to squeeze tabs (B) on the clamps (C), then slide the clamps away from the fuel filter. Twist and pull the fuel lines (D) off the fuel filter. 3. Check the fuel lines for cracks or leaks. Replace if necessary. 4. Replace the fuel filter with an original equipment replacement filter. 5. Secure the fuel lines with the clamps as shown. How To Clean The Air Cooling System -Figure 13 WARNING Running engines produce heat. Engine parts, especially muffler, become extremely hot. Severe the