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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 su-
pressor.
Refer to
Technical data on page 31
for correct electrode gap.
The spark plug is loose. Tighten the spark plug.
Fuel filter The fuel filter is clogged. Replace the fuel filter.
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.
Fuel filter The fuel filter is clogged. Replace the fuel filter.
Carburetor The idle speed is not correctly adjus-
ted.
Adjust the idle speed with the idle
speed screw T.
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
555FX 555FXT 555RXT 555FRM
Engine
Cylinder displacement, cm
3
53.3 53.3 53.3 53.3
Idle speed, rpm 2800 2800 2800 2800
1346 - 007 - 22.08.2023 31
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