MOTO GUZZI 2005 Griso 1100 Use And Maintenance Book page 66

3
5
CAUTION
Even if only one outer spark plug (5)
needs replacing, always change both.
WARNING
Before carrying out the following
operations, let the engine and the
s i l e n c e r c o o l d o w n t o a m b i e n t
temperature to avoid burns.
The following procedures apply to both
cylinders.
66
use and maintenance Griso
4
Removal:
u Release the two screws (3) and remove
the retainer (4).
Remove the spark plug cap (3).
u
Remove any trace of dirt from the spark
u
plug base.
Fit the special socket included in the tool
u
kit to the spark plug.
Insert the spanner (6) included in the tool
u
kit into the hexagonal seat of the spark
plug socket.
Unscrew the spark plug and remove it
u
from its seat, making sure no dust or dirt
can fall into the cylinder.
6
Inspection and cleaning:
Do not clean the spark plugs with a wire
brush and/or abrasive products, use
compressed air only.
Key:
√ centre electrode (7);
√ insulator (8);
√ side electrode (9).
u
Always change a spark plug which has a
cracked insulator, corroded electrodes,
excessive deposits or when the tip (10) of
the central electrode (7) is rounded from
wear.
10
8
CAUTION
Check electrodes and insulator for
carbon deposits or traces of corrosion
and blow them with compressed air if
needed.
7
9