DAELIM NS125III Service Manual page 105

Cylinder Head/Valve
Lightly strike the valve stem end for about 2-3
times to ensure better installation of the valve
and cotter.
NOTE
Take necessary precautions not to damage valve.
Apply engine oil to the new O-ring, and
assemble it to the carburetor insulator groove.
Tighten the carburetor insulator with mounting
bolts.
Install the cam chain tensioner, and assemble
pivot bolts.
Torque valve: 1.0kg-m (10N.m, 7ft-lb)
Assemble spark plugs.
Torque valve: 1.1kg-m (11N.m, 8ft-lb)
Cylinder Head Installation
Clean the gasket marks from the cylinder head
gasket.
Assemble the cam chain guide to the cylinder.
Assemble the dowel pins and new gaskets.
Assemble the cylinder head.
Install the camshaft.
Install the engine to the frame. (
9-12
section 5)
Carburetor
insulator
Cam chain
guide
Cylinder head