Name Torque in Nm
Slider screw 10 ÷ 14 Nm
- 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 11 ÷ 13
Runner 125 - 200 Engine
ENG - 171
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