35
Valve spring retainer:
Coat clean engine oil evenly on the valve stem before assembly of inlet/exhaust valve; Pay
attention to press the valve spring seat and lock clamp in place when installing inlet/exhaust
valve.
If the cylinder head is installed on the cylinder, the spring seat ring may fall into the cylinder,
which should be noted.
2) Inspection/maintenance/adjustment:
Locating pin (12 * 20)
Cylinder head gasket
Spark plug
Cylinder head cover gasket
Cylinder head
Assembly:
Before installation, remove carbon
deposit in the combustion chamber,
check the contact state of valve
seat, and then measure the
compression pressure before
installation.
Cylinder head bolt (M10 × 60)
Installation/disassembly: Rotate and
tighten the bolts alternately for 2-3 times.
Torque: 35±3 N.m
Bolt (M6 x 16)
Oil should be applied to the threads.
The loosening and tightening of bolts shall be carried out in
a cross way, especially for tightening, each bolt shall be
tightened evenly and gradually to the specified torque.
Torque: 160±10 N.m