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Maintenance and care
brush the spark plug clean using a fine
wire brush (16/4).
■
If the spark plug is sooty, oily, encrusted,
melted or bridged: The spark plug is
defective. Replace the spark plug with a
new spark plug. Use the specified spark
plug type (see chapter 11 "Technical
data", page 56).
■
If, after a short period of operation, the
spark plug is defective again, the engine
and the carburettor settings must be
checked by an authorised service
workshop.
3. Check the electrode spacing:
■
Use a feeler gauge (16/5) to check that
the electrode gap (16/6) is 0.6 – 0.7 mm.
If not, carefully tap the electrodes closer
together or carefully bend them apart.
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