APRILIA Tuono V4 1100 Factory Service Station Manual page 70

Maintenance
Cylinder 3
To proceed with the removal of the cylinder 3 spark
plug, proceed as described:
•
Release the connector from the sup-
port on the filter housing and discon-
nect it.
•
Remove the air pressure sensor fixing
screw to facilitate the coil removal.
•
After having removed the fixing screw
of the coil, disconnect it from the spark
plug and remove it.
While refitting, place the wiring harness under
the air pressure sensor pipes.
•
Using a special spark plug wrench, un-
screw and remove it.
•
Check the efficiency and check the electrode gap. If they are not within the parameters,
replace them.
Engine oil
MAIN - 70
Tuono V4 1100 Factory