APRILIA Tuono V4 1100 Factory Service Station Manual page 353

Tuono V4 1100 Factory
•
Remove the chain tensioner complete
with O-ring using the specific tool.
•
If the O-ring is not on the chain ten-
sioner, make sure it was not left in the
crankcase seat.
REPLACE THE O RING UPON EACH REMOVAL.
Specific tooling
020883Y Fitting/removing timing chain ten-
sioner tool
See also
Removing camshafts
Front head check
Check that:
•
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.
Front head fitting
Follow the procedure described below to install the front cylinder head:
Engine
ENG - 353