9 A bent or broken crankshaft, caused by striking a solid object with the cutter blade of a rotary lawn mower, or excessive v-belt tightness. 10 Routine tune-up or adjustment of the engine. 11 Engine or engine component failure, i.e., combustion chamber, valves, valve seats, valve guides, or burned starter motor windings, caused by the use of alternate fuels such as, liquified petroleum, natural gas, altered gasolines, etc. Warranty service is available only through authorized service dealers by

How To Change The Gear Reduction Oil -Figure 16 If your engine is equipped with a gear reduction unit, service as follows. 1. Remove the oil fill plug (B) and the oil level plug (C). 2. Remove the oil drain plug (A, Figure 16) and drain the oil into an appropriate receptacle. 3. Install and tighten the oil drain plug. 4. To refill, slowly pour gear lube into the oil fill hole (see Specifications section). Continue to pour until the oil runs out of the oil level hole. 5. Install and tighten the o

To remain emissions compliant, high altitude adjustment is required. Operation without this adjustment will cause decreased performance, increased fuel consumption, and increased emissions. See a Briggs & Stratton Authorized Dealer for high altitude adjustment information. Operation of the engine at altitudes below 2,500 feet (762 meters) with the high altitude kit is not recommended. How To Add Fuel -Figure 3 WARNING Gasoline and its vapors are extremely flammable and explosive. Fire or explosi

Do not discard with household waste. Check with your local authorities, service center, or dealer for safe disposal/recycling facilities. Remove Oil 1. With engine off but still warm, disconnect the spark plug wire (A) and keep it away from the spark plug (Figure 10). 2. Remove the oil drain plug (B, Figure 11). Drain the oil into an approved receptacle. Note: Any of the oil drain plugs shown below may be installed in the engine. Not for Reproduction 3. After the oil has drained, install and tig