Husqvarna 125 B Manual

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115491326 Rev. 2 4/30/12
FUEL HANDLING
Fuel mixtureCAUTION! The machine is equipped with
a two-- stroke engine and must always be
run using a mixture of gasoline and two--
stroke engine oil. It is important to accu-
rately measure the amount of oil to be
mixed to ensure that the correct mixture is
obtained. When mixing small amounts of
fuel, even small inaccuracies can drastical-
ly affect the ratio of the mixture.
Gasoline
CAUTION! Always use high quality
unleaded gasoline.
S This engine...

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115491326 Rev. 2 4/30/12
STARTING AND STOPPING
Variable speed control: Push variable
speed control fully counterclockwise.
Starting: Hold the body of the machine on
the ground using your left hand
( CAUTION! Not with your foot!).
Firmly grip the starter rope handle with
your right hand. DO NOT squeeze
throttle trigger. Slowly pull out the cord
until you feel some resistance (the starter
pawls grip); then quickly and powerfully
pull the cord.
Pull starter handle until engine attempts to...

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115491326 Rev. 2 4/30/12
USING THE BLOWER
125BVX--SERIEScan be used with a shoul-
der strap for extra comfort. The strap
should be worn over the shoulder as
shown.
To blow away debris on the
ground
Fitting the blower tube and nozzle
on the blower
The blower tube (T) has a pegged slot
mounting system to the unit. To install or
remove the blower tube (or collection bag
tube for 125BV
X--SERIES), the tube clamp
bolt must be removed. Align slot in the
blower air outlet with the raised rib on...

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115491326 Rev. 2 4/30/12
USING THE BLOWER
1. Open the collection bag. Insert the
collection bag tube from inside the bag to
fit in the vacuum inlet opening of the bag
as shown. Ensure elastic is seated in
groove. Close the zipper on the bag.
2. Remove the blower tube and install the collection bag tube. Install and tighten
tube clamp bolt. Attach the carrying strap
to the collection bag loops.
3. Align arrows on lower vacuum tube and
upper vacuum tube. Push lower vacuum
tube into upper...

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115491326 Rev. 2 4/30/12
USING THE BLOWER
When operating the blower, the collection
bag must be supported by the shoulder
strap. The strap should be worn over the
shoulder as shown.
WARNING:Always check that
the collection bag is intact and the
zipper is closed before starting the
blower. Never use a damaged bag.
There is risk of injury due to flying
debris. Be careful, particularly if left
hand operation is applied. Avoid any
direct body contact with the ex-
haust outlet area....

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115491326 Rev. 2 4/30/12
MAINTENANCE
Muffler
Some mufflers are fitted with catalytic con-
verters. See the Technical data section to
find out if your machine is equipped with a
catalytic converter.
The muffler is designed to dampen the
noise level and to direct the exhaust fumes
away from the user. The exhaust fumes
are hot and can contain sparks, which can
result in fire if the exhaust fumes are
directed towards a dry and flammable
material.
Some mufflers are equipped with a special
spark...

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115491326 Rev. 2 4/30/12
MAINTENANCE
Air filter
The air filter (GG) must be regularly cleaned
to remove dust and dirt in order to avoid:
S Carburetor malfunctions
S Starting problems
S Loss of engine power
S Unnecessary wear to engine parts
S Excessive fuel consumption
S Elevated content of harmful exhaust
fumes.
Clean the filter every 25 hours, or more
regularly if conditions are exceptionally
dusty.
Cleaning the air filterRemove the air filter cover (HH) and take out
the filter. Wash it...

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115491326 Rev. 2 4/30/12
MAINTENANCE
Sparkplug
The spark plug condition is influenced by:
S Incorrect carburetor adjustment.
S An incorrect fuel mixture (too much or in-
correct type of oil).
S Poor quality gasoline and/or oil
S A dirty air filter.
These factors cause deposits on the spark
plug electrodes, which may result in operat-
ing problems and starting difficulties.
If the machine is low on power, difficult to
start or runs poorly at idle speed: always
check the spark plug first...

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115491326 Rev. 2 4/30/12
STORAGE
Storage
S Allow engine to cool, and secure the unit
before storing or transporting.
S Store unit and fuel in a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S Store unit with all guards in place. Posi-
tion unit so that any sharp object cannot
accidentally cause injury.
S Store unit and fuel well out of the reach of
children.
Seasonal storagePrepare unit for storage...

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115491326 Rev. 2 4/30/12
TROUBLESHOOTING
TROUBLE
CAUSE REMEDY
Engine will not
start.1. Engine flooded.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carburetor.
5. Compression low. 1. See “Starting a Warm Engine”
in STARTING AND STOPPING section.
2. Fill tank with correct fuel mixture.
3. Install new spark plug.
4. Check for dirty fuel filter; replace. Check for kinked or split fuel line;
repair or replace.
5. Contact an authorized service dealer.
Engine will not
idle...