Husqvarna 525LS Mark II, Operator'S Manual, Page: 20 / 76

Check Possible cause Procedure
Fuel filter. The fuel filter is clogged. Replace the fuel filter.
Transportation and storage
Transportation and storage
• Store and transport the product and fuel so that
there is no risk that any leakage or fumes comes in
contact with sparks or open flames, for example,
from electrical machinery, electric motors, electrical
relays/switches or boilers.
• When you store and transport fuel always use
approved containers intended for this purpose.
• When you store the product for long periods the fuel
tank must be emptied. Contact your local petrol
station to find out where to dispose excess fuel.
Drain the tank into the appropriate containers and in
a well ventilated area.
• Ensure that the product is cleaned and that a
complete service is carried out before long-term
storage.
• The transport guard must always be fitted to the
cutting attachment when the product is transported
or in storage.
• Secure the product during transport.
• In order to prevent unintentional start of the engine,
the spark plug cap must always be removed during
long-term storage if the product is not under close
supervision and when you perform all service
measures.
• Allow the product to cool before you put in storage.
Technical data
Technical data
525LS Mark II 525LST Mark II
Engine
Cylinder displacement, cu.in/cm
3
1.55/25.4 1.55/25.4
Idle speed, rpm 3000 3000
Recommended max. speed, rpm 9300 10300
Max. engine output, according to ISO 8893, kW/hp @ rpm 1.0/1.4 @ 8500 1.0/1.4 @ 8500
Catalytic converter muffler Yes Yes
Speed of output shaft, rpm 6400 5400
Ignition system
Spark plug HUSQVARNA
HQT-2
HUSQVARNA
HQT-2
Electrode gap, in/mm 0.021/0.55 0.021/0.55
Fuel and lubrication system
Fuel tank capacity, US pint/l 1.37/0.65 1.37/0.65
Weight
Weight, lb/kg 10.8/4.9 10.8/4.9
20 1560 - 002 - 22.06.2021