APRILIA Tuono V4 1100 Factory Service Station Manual page 367

Tuono V4 1100 Factory
•
The contact surfaces with the cover and the crankcase are not scored or damaged so they
jeopardise a perfect seal.
•
Check the status of the valve seats.
•
Check that the routing of the oil pipes is free and if required, clean them by blowing a jet of
compressed air.
Rear head fitting
Follow the procedure described below to install the rear cylinder head:
•
Install a new O ring on the chain ten-
sioner.
REPLACE THE O RING UPON EACH REMOVAL.
•
Compress the chain tensioner com-
pletely, making sure that the total
length is 40.05 ± 0.5 mm (1.58 ± 0.02
in).
•
Insert the chain tensioner into the
crankcase, being careful to position it
correctly.
Engine
ENG - 367