Husqvarna 543RB, Operator'S Manual

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Check Possible cause Procedure
Spark plug The spark plug is dirty or wet. Make sure that the spark plug is dry
and clean.
The spark plug electrode gap is in-
correct.
Clean the spark plug. Make sure that
the electrode gap is correct. Make
sure that the spark plug has a sup-
pressor.
Refer to technical data for correct
electrode gap.
The spark plug is loose. Tighten the spark plug.
The engine starts but stops again
Check Possible cause Procedure
Fuel tank Incorrect fuel type. Empty the fuel tank and fill it with cor-
rect fuel.
Air filter The air filter is clogged. Clean the air filter.
Transportation and storage
• Let the product cool before transportation or storage.
• Remove the spark plug cap before long-term
storage.
• Attach the product during transportation. Make sure
that it cannot move.
• Make sure that there is no risk of fuel leaks, fuel
fumes, sparks or flames during transportation and
storage.
• Attach the transport guard during transportation and
storage.
• Clean and do servicing on the product before long-
term storage.
Technical data
Technical data
543RB
Engine
Cylinder displacement, cm 3 40.1
Cylinder bore, mm 40.5
Stroke, mm 31.1
Idle speed, rpm 3000
Recommended max. speed, rpm 12000
Speed of output shaft, rpm 8570
841 - 005 - 19.12.2018 23