material compared to regular fuel, which decreases
dangerous exhaust fumes. The fuel gives a low quantity
of dangerous remainings when it is combusted, which
keeps the components of the engine more clean. This
extends the life of the engine. Husqvarna alkylate fuel is
not available in all markets.
Two-stroke oil
CAUTION:
Unsatisfactory oil quality
and/or incorrect oil/fuel ratio can damage
the product and decrease the life time of
catalytic converters.
CAUTION:
Do not use two-stroke oil
for water-cooled outboard engines, also
referred to as outboard oil.
CAUTION:
Do not use oil for four-stroke
engines.
• For best results and performance use Husqvarna
two-stroke oil.
• If Husqvarna two-stroke oil is not available, use a
different two-stroke oil of good quality for air-cooled
engines. Speak to your servicing dealer to select the
correct oil.
Gasoline, l
Two-stroke oil, l
2% (50:1)
5
0.10
10
0.20
15
0.30
20
0.40
To mix gasoline and two-stroke oil
CAUTION:
There is a risk that small
errors influence the ratio of the mixture
drastically when you mix small quantities of
fuel. Carefully measure the quantity of oil
to be mixed to make sure that you get the
correct mixture.
1. Fill half the quantity of the gasoline to be used.
2. Add the full quantity of oil and mix (shake) the fuel
mixture.
3. Add the remaining quantity of gasoline.
4. Carefully mix (shake) the fuel mixture and fill the fuel
tank of the product.
5. Empty and clean the fuel tank if you do not use the
product for some time.
Note:
Do not mix fuel for more than 1 month at a time
and always mix gasoline and oil in a clean container
intended for fuel.
To fill the fuel tank
1. Clean the area around the fuel tank cap.
2. Shake the container and make sure that the fuel is
fully mixed. Use a fuel container with an anti-spill
valve.
3. Remove the fuel tank cap.
4. Fill the fuel tank.
5. Tighten the fuel tank cap carefully.
6. Move the product 3 m (10 ft) or more away from the
refueling area and fuel source before starting.
CAUTION:
Contamination in the tanks
causes malfunction. Clean the fuel tank and
chain oil tank regularly and replace the fuel
filter one time a year or more.
Work position
• Hold the product with 2 hands.
• Hold the product on the right side of your body.
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Summary of Contents for 553RBX
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