Spark Plugs - APRILIA RSV mile Use & Maintenance Book

SPARK PLUGS

Carefully read p. 84 (MAINTENANCE).
Perform these maintenance operations
at one-half of the specified intervals, if
your vehicle is often used in rainy or
very dusty conditions, on unpaved
roads, or in any kind of competition.
You must clean and/or renew, one by
one, all four spark plugs.
Clean the spark plugs every 4,650 mi
(7,500 km); renew them every 9,350 mi
(15,000 km).
If you use your vehicle for competition,
change the spark plugs every 2,300 mi
(3,750 km).
Periodically remove the spark plugs and
clean them carefully, removing carbon de-
posits; renew them if necessary.
130
use and maintenance RSV mille
The frequency with which this operation
must be carried out will vary with the use of
the vehicle. However, spark plugs must be
cleaned and renewed no less often than
described above.
Even if only one spark plug needs re-
placing, always renew all of them.
TO GAIN ACCESS TO THE SPARK PLUG
Before carrying out the following opera-
tions, let the engine and the exhaust si-
lencer cool down until they reach room
temperature.
Failure to observe this warning can lead
to serious burns.
◆
Lift the fuel tank, see p. 116 (LIFTING
THE FUEL TANK).
! - !
RSV mille R
NOTE
Your vehicle is equipped with two
spark plugs per cylinder (A) (B).
The following operations refers to the two
spark plugs installed in one cylinder only,
but is valid for the plugs of both cylinders.
Carry out all the operations indicated on
the first spark plug and then repeat them
on the second spark plug of the same
cylinder.
TO REMOVE THE SPARK PLUG
Never disconnect the spark plug cap with
the engine running, since you may get an
electric shock from the ignition system.
Do not reverse the position of the two
spark plug caps.
Do not remove the two spark plug caps
at the same time.
◆
Remove the spark plug cap (1).
During this operation, always wear goggles
which provide your eyes with 360° protec-
tion. Be very careful using compressed air
jets, they can cause serious personal injury
if directed towards your body.
◆
Using compressed air, blow all the dirt
away from the base of the spark plug.
NOTE
Use the special wrenches from
the tool kit, see p. 52 (GLOVE/TOOL KIT
COMPARTMENT).