30/ASSEMBLING THE ENGINE 133
200084-10
– Position the new piston pin retainer.
Info
For clarity, the following steps are illustrated using a disassembled piston.
– Insert the special tool and firmly press it toward the piston.
– Turn the special tool counterclockwise, thereby pressing the piston pin retainer into
the groove.
Piston pin lock ring insert (75029035000) ( p. 202)
200322-10
– Remove the cloth.
– Keep the timing chain tensioned. Push the cylinder down carefully and let the
dowel pins engage.
21.31Installing the rear cylinder head
200321-11
– Mount the new cylinder head gasket.
– Position the cylinder head and mount and tighten the new cylinder head screws .
Guideline
Cylinder head screw M11x1.5 Tightening
sequence:
Using a criss-
cross pattern
Step 1
15 Nm
(11.1 lbf ft)
Step 2
30 Nm
(22.1 lbf ft)
Step 3
90°
Step 4
90°
lubricated with
engine oil
– Mount and tighten nuts with the washers.
Guideline
Nut, cylinder head M6 10 Nm (7.4 lbf ft)
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