APRILIA quasar 125 Benutzerhandbuch
43
use and maintenance
Quasar 50 - 100 - 125 - 180
Spark plug
CAUTION
The spark plug is on engine
cylinder head, you can access it from
the front right wheelhouse.
The spark plug is on the valve
cover right-hand side you can access it
from the front right wheelhouse.
CAUTION
Perform
maintenance operations more frequently if
you are riding in rainy or dusty conditions,
on rough road surfaces or when the vehicle
is used for racing.
you are riding in rainy or dusty conditions,
on rough road surfaces or when the vehicle
is used for racing.
At regular intervals, remove the spark plug
and clean off any carbon deposits or
replace as required.
and clean off any carbon deposits or
replace as required.
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, in order to avoid burns.
Removal:
Removal:
◆
Pull the cap (1) off the spark plug (2).
◆
Remove any trace of dirt from the spark
plug base.
plug base.
◆
Fit the special socket included in the tool
kit to the spark plug.
kit to the spark plug.
◆
Unscrew the spark plug and extract it
from its seat, making sure no dust or dirt
fall into the cylinder.
from its seat, making sure no dust or dirt
fall into the cylinder.
Inspection and cleaning:
Key:
√ centre electrode (3),
√ insulator (4);
√ side electrode (5).
Key:
√ centre electrode (3),
√ insulator (4);
√ side electrode (5).
◆
Check electrodes and insulator for
carbon deposits or traces of corrosion
and blow them with compressed air if
needed.
carbon deposits or traces of corrosion
and blow them with compressed air if
needed.
Always change a spark plug which has a
cracked insulator, corroded electrodes,
excessive deposits or when the tip (6) of
the central electrode (3) is rounded from
wear.
cracked insulator, corroded electrodes,
excessive deposits or when the tip (6) of
the central electrode (3) is rounded from
wear.
50
100
125
180
6
4
5
3
50
100
1
2
125
180