
Operation
Fuel Recommendations | A |
Fuel must meet these requirements: |
•A minimum of 87 octane/87 AKI (91 RON). High altitude use, see below.
•Gasoline with up to 10% ethanol (gasohol) is accept- able.
NOTICE: Do not use unapproved gasolines, such as E15 | B |
and E85. Do not mix oil in gasoline or modify the engine to |
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run on alternate fuels. This will damage the engine compo- |
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nents and void the engine warranty. |
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To protect the fuel system from gum formation, mix a fuel |
| Figure 2: Fuel cap |
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stabilizer into the fuel. Refer to “Storage”. All fuel is not the |
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same. If starting or performance problems occur, change fuel |
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providers or change brands. This engine is certified to oper- | How To Adjust The Operator Seat | ||||||
ate on gasoline. The emissions control system for this engine | |||||||
is EM (Engine Modifications) |
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| With the engine stopped: |
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| 1. Raise the operator seat. |
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High Altitude |
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| 2. Loosen the two adjusting knobs (A, Figure 3) and move | ||
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| the seat to the desired position. After adjustment, tighten | ||
At altitudes over 5,000 feet (1524 meters), a minimum 85 |
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octane/85 AKI (89 RON) gasoline is acceptable. To remain | 3. Lower the operator seat. |
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emissions compliant, high altitude adjustment is required. |
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Operation without this adjustment will cause decreased per- |
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formance, increased fuel consumption, and increased emis- |
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sions. See a Briggs & Stratton Authorized Dealer for high |
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altitude adjustment information. |
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Operation of the engine at altitudes below 2,500 feet (762 |
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meters) with the high altitude adjustment is not recommend- |
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ed. |
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How To Add Fuel |
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! | WARNING |
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Fuel and its vapors are extremely flammable and explosive. |
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Fire or explosion can cause severe burns or death. |
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When Adding Fuel |
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• Turn engine off and let engine cool at least 5 minutes | Figure 3: Operator seat adjustment |
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before removing the fuel cap. |
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• Fill fuel tank outdoors or in |
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• Do not overfill fuel tank. To allow forRexpansioneprodof the uction |
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fuel, do not fill above the bottom of the fuel tank neck. |
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• Keep fuel away from sparks, open flames, pilot lights, |
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heat, and other ignition sources. |
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• Check fuel lines, tank, cap, and fittings frequently for |
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cracks or leaks. Replace if necessary |
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• If fuel spills, wait until it evaporates before starting |
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engine. |
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1.Clean the fuel cap area of dirt and debris. Remove the fuel cap (A, Figure 2).
2.Fill the fuel tank with fuel. To allow for expansion of the fuel, do not fill above the bottom of the fuel tank neck (B).
3.Reinstall the fuel cap.
en | 15 |