To Use Fuel; Fuel Mixture Ratio; To Start And Stop - Husqvarna 120 Mark II Manual Del Usuario

To use fuel

CAUTION: This product has a two-cycle
engine. Use a mixture of gasoline and
two-cycle engine oil. Make sure to use
the correct quantity of oil in the mixture.
Incorrect ratio of gasoline and oil can
cause damage to the engine.

Fuel mixture ratio

The fuel mixture ratio for the gasoline and two-cycle
engine oil is 50:1 (2%)
Gasoline
1 U.S. Gal.
1 UK Gal.
5 l
To make the fuel mixture
1. Determine the correct quantity of gasoline and
engine oil (mixture ratio 50:1). Do not make more
than 30 days quantity of fuel mixture. See
fuel on page 12 .
2. Add half of the gasoline quantity to a clean fuel
container with an antispill valve.
CAUTION: Do not use gasoline with
more than 10% ethanol
concentration (E10). This can cause
damage to the product.
CAUTION: Do not use gasoline with
an octane number less than 90 RON
(87 AKI). This can cause damage to
the product.
Note: Use gasoline with a higher octane number
if you frequently use the product at continuously
high engine speed.
3. Add the full quantity of the two-cycle engine oil to
the fuel container.
CAUTION: Always use air-cooled
two-cycled engine oil of high quality.
Other oils can cause damage to the
product.
4. Shake the fuel mixture to mix the contents.
5. Add the remaining gasoline quantity to the fuel
container.
6. Shake the fuel mixture to mix the contents.
7. Fill the fuel tank of the product with the fuel
To use fuel on page 12 .
mixture. See
12
Two-cycle engine oil
77 ml (2.6 oz)
95 ml (3.2 oz)
100 ml (3.4 oz)
To use
To fill the fuel tank
1. Make sure that the fuel mixture is correct and
that the fuel mixture is in a fuel container with an
antispill valve.
2. If fuel is on the container, remove the unwanted
fuel and let the container dry.
3. Make sure that the area near the fuel tank cap is
clean.
4. Remove the fuel tank cap.
5. Shake the fuel container before you add the fuel
mixture to the fuel tank.
6. Put back the fuel tank cap.
To lubricate the saw chain
The product has an automatic lubrication system.
The saw chain oil tank and the fuel tank are
designed so that the fuel runs out before the saw
chain oil. This safety feature requires that the correct
chain oil is used and that the instructions are
obeyed.
1. Use vegetable-based saw chain oil or a standard
chain oil.
2. Make sure that the area near the cap of the saw
chain oil tank is clean.
3. Remove the cap of the saw chain oil tank.
4. Fill the saw chain oil tank with the recommended
saw chain oil.
5. Put back the cap of the saw chain oil tank.

To start and stop

Before you start the engine
• Examine the product for missing, damaged,
loose or worn parts.
• Examine the nuts, screws and bolts.
• Examine the air filter.
• Examine the trigger lockout and the trigger for
correct operation.
• Examine the stop switch for correct operation.
• Examine the product for fuel leaks.
• Examine the saw chain sharpness and tension.
To start a cold engine
1. Move the front hand guard forward to engage the
chain brake.
654 - 002 - 12.04.2018