Cylinder Head, Installing - Husqvarna FC 250 2016 Repair Manual

17 ENGINE
17.5.22
226

cylinder head, installing

-
Remove the cloth.
-
Keep the timing chain taut. Press the cylinder down carefully
and bring dowel pins into contact.
O.
-
Mount dowels
-
Put on cylinder head gasket
-
Put the cylinder head in place.
C,
-
Mount nuts with the washers and tighten in a crisscross
pattern.
Guideline
Nut, cylinder M10x1 .25
head
-
Mount and tighten the nut
Guideline
Nut, cylinder M6
head
8.
Tightening sequence:
Tighten diagonally.
1st tightening stage
10 Nm (7.4 lbf ft)
2nd tightening stage
30 Nm (22.1 lbf ft)
3rd tightening stage
50 Nm (36.9 lbf ft)
Thread, oiled with
engine oil/cone greased
e.
10 Nm (7.4 lbf ft)
Lubricated with engine
oil