LONCIN LC2P73F - Cylinder Head and Valve Service

Chapter V Disassembly & Repair
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5-2-6 Cylinder head and valve
Disassembly/assembly
Torque: (25 ~ 32) N•m
Assembly: clean and
adjust the spark plug
prior to installation.
Torque: (8 ~ 12) N•m
Cylinder-head
cover sealing
g
asket
Assembly:
Remove the carbon deposition in
combustion chamber and check the
touching status of valve seat prior to
installation.
Measure the pressure of cylinder
after assembly.
Cylinder head gasket
Locating pin
Cylinder-head
cover
Flange bolt M6 × 25
C
y
linder-head
p
art
Spark plug
Torque: (50 ~ 55) N•m
Assembly/disassembly:
Loosening and fastening of bolt must be done by
way of crossing, especially when fastening the bolt.
Each bolt must be gradually tightened evenly to the
specified torque.
Flange bolt M10 × 70
Flange bolt M10 × 50