Table of Contents
Advertisement
Engine
Camshaft check: Minimum admissible diame-
ter
Bearing B diameter: 19.950 mm
Camshaft check: Minimum admissible diame-
ter
Bearing A Ø: 36.94 mm
Camshaft check: Standard diameter
Bearing B diameter: 19.959 ÷ 19.98 mm
Camshaft check: Standard diameter
Bearing A Ø: 36.95 ÷ 36.975 mm
Refitting the head and timing system components
- Fit the timing chain guide pad.
- Insert the centring dowel between the cylinder
head to the cylinder, fit the cylinder head gasket
and the cylinder head.
- Lubricate the stud bolt threading.
- Tighten up the nuts to a pre-torque of 7±1 N·m
- Rotate by a 180° angle (2 rotations of 90° each)
- To carry out the operations described above, fol-
low the tightening sequence in the figure.
- Fit the two screws on the outside of the timing
chain side and tighten them to the specified torque.
N.B.
BEFORE INSTALLING THE HEAD, MAKE SURE THAT THE
LUBRICATION CHANNEL IS CLEAN USING A COM-
PRESSED AIR JET.
Locking torques (N*m)
Timing chain tensioner support screw
ENG - 132
11 ÷ 13
X9 Evolution 125
Advertisement
Table of Contents
