Spark Plug - Derbi Rambla 250 Manual

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Maintenance

Spark plug

Check and/or replace the spark plug following the
instructions in the scheduled maintenance table.
Remove the spark plug regularly, clean
off carbon scales, and replace spark
plug if necessary.
To reach the spark plug:
Remove the right inspection fairing.
For removal and cleaning:
Remove the tube «1» of the spark plug
«2».
Clean off any trace of dirt from the
spark plug base.
Fit the special spanner supplied in the
toolkit to the spark plug.
Unscrew the spark plug and remove it
from its seat, being careful not to let
dust or any other substance into the
cylinder.
Check that the spark plug electrode
and centre porcelain are free of carbon
deposits or signs of corrosion. If nec-
essary, clean using suitable spark plug
cleaners and/or a metal brush.
Replace the spark plug if its insulator is
cracked, the electrodes show signs of
corrosion or excessive deposits or the
top of the central electrode «3» gets
rounded.
WARNING
LET THE ENGINE COOL OFF TO AMBIENT TEMPERA-
TURE.
CAUTION
NEVER DISCONNECT THE SPARK PLUG TUBE WHILE
THE ENGINE IS RUNNING. IT MAY RESULT IN A STRONG
ELECTRIC DISCHARGE FROM THE IGNITION SYSTEM.
MAIN - 34

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