Briggs & Stratton WP20 Manual Del Operario página 7

Add Fuel
Fuel must meet these requirements:
• Clean, fresh, unleaded petrol.
• A minimum of 87 octane/87 AKI (91 RON). High altitude
use, see High Altitude.
• Petrol with up to 10% ethanol (gasohol) or up to 15%
MTBE (methyl tertiary butyl ether) is acceptable.
NOTICE Avoid water pump damage.
Failure to follow Operator's Manual for fuel recommendations
v oids warranty.
• DO NOT use unapproved petrol such as E85.
• DO NOT mix oil in petrol.
• DO NOT modify engine to run on alternate fuels.
To protect the fuel system from gum formation, mix in a fuel
stabilizer when adding fuel. See Storage. All fuel is not the
same. If you experience starting or performance problems
after using fuel, switch to a different fuel provider or change
brands. This engine is certified to operate on petrol. The
emission control system for this engine is EM (Engine
Modifications).
WARNING Fuel and its vapours are extremely
flammable and explosive which could cause
burns, fire or explosion resulting in death,
serious injury and/or property damage.
WHEN ADDING FUEL
• Turn water pump OFF and let it cool at least 2 minutes
before removing fuel cap. Loosen cap slowly to relieve
pressure in tank.
• Fill or drain fuel tank outdoors.
• DO NOT overfill tank. Allow space for fuel expansion.
• If fuel spills, wait until it evaporates before starting engine.
• Keep fuel away from sparks, open flames, pilot lights,
heat, and other ignition sources.
• Check fuel lines, tank, cap and fittings frequently for
cracks or leaks. Replace if necessary.
• DO NOT light a cigarette or smoke.
1. Make sure water pump is on a level surface.
2. Clean area around fuel fill cap and remove cap.
3. Slowly add regular unleaded fuel to fuel tank. Fill to red
fuel level indicator (C). Be careful not to overfill.
4. Install fuel cap and let any spilled fuel evaporate before
starting engine.
Fresh fuel prevents gum from forming in the fuel system or
on essential carburetor parts. Purchase fuel in quantity that
can be used in 30 days.
High Altitude
At altitudes over 1500 meters (5,000 feet), a minimum 85
octane / 85 AKI (89 RON) petrol is acceptable. To remain
emissions compliant, high altitude adjustment is required.
Operation without this adjustment will cause decreased
performance, increased fuel consumption, and increased
emissions. See an Authorized Briggs & Stratton dealer for
high altitude adjustment information. Operation of the engine
at altitudes below 750 meters (2,500 feet) with the high
altitude kit is not recommended.
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