APRILIA Atlantic 300 Service Station Manual page 137

ATLANTIC 300 i.e.
- Rotate by an angle of 270°
- To carry out the operations described above, fol-
low the tightening sequence indicated in the figure.
- Fit the two screws on the timing chain side and
tighten them to the prescribed torque.
NOTE
BEFORE INSTALLING THE HEAD, MAKE SURE THAT THE
LUBRICATION CHANNEL IS GENERALLY CLEAN AND
USE A JET OF COMPRESSED AIR FOR CLEANING.
Locking torques (N*m)
Timing chain tensioner support screw 11÷13 (8.1÷9.6 ftlb)
Refitting the rocker-arms cover
- Refit the head cover by tightening the 5 screws
to the prescribed torque.
- Take care to correctly position the gasket.
Locking torques (N*m)
Cylinder head cover screws 6÷7 (4.4÷5.2 ftlb)
Engine
ENG - 137