Operation - Husqvarna 120 Mark II Operator's Manual

2. To reset the brake, rotate the link clockwise until it
stops. The front link will be in its downward rotated
position when the chain brake is unlocked.
WARNING: Read and understand the safety
chapter before you operate the product.
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
12

Operation

Two-cycle engine oil
77 ml (2.6 oz)
95 ml (3.2 oz)
100 ml (3.4 oz)
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.
To use
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