KAYO MOTOR TD125, Руководство по обслуживанию

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clearance up and down.
3.Valve clearance should be in the range 0.01-0.03mm.
Removal of cylinder head
Cap nut Cover of cylinder head
Connecting bolts for cylinder head and cylinder block
The removal steps of cylinder head are as follows:
1.Remove the 4 GB/T 923/M6 cap nuts securing the
cylinder head cover;
2.Remove 3 φ 6.2× φ 13×2 iron washers and 1 φ 6.5× φ
13×2 copper washers;
3.Remove cylinder head and cylinder head gasket;
4.Remove left cylinder head cover;
5.Remove the 3 GB/T 5783/M5×12 hexagon bolts
fastening the timing driven sprocket and remove the
timing driven sprocket from the camshaft;
6.Remove 1 M6x20 bolt connecting the cylinder head
and cylinder block;
7.Remove cylinder head;
8.Remove locating pins, flanging bushings and
rectangular ring iron from A and B bolts and remove
cylinder head gaskets.
Disassembly of cylinder head
The disassembling steps of cylinder head are as follows:
1.Remove valve cover.
2.Remove 2 bolts GB/T 5787/ M6x20 fastening the
right cover of cylinder head;
3.Remove the right cylinder head cover and the right
cylinder head cover gasket;
4.Take out the intake and exhaust rocker arm shaft,
intake and exhaust rocker arm, limit plate and camshaft
assembly;
5.Press down the valve spring with the valve remover
and remove the valve lock clip
6.Release the valve remover and remove the valve
spring seat, valve spring and valve
Notes
：
1.In order to prevent the permanent deformation of the
valve spring, the valve spring can not be excessively
compressed, just remove the valve lock clip.
2.All the parts removed should be marked to ensure that
they reach the original assembly position during
assembly.
3.When removing the gasket, ensure that it is in good
condition. If it is damaged, replace it with a new one
during assembly to avoid engine oil leakage.
Inspection of valves and valve springs
Valves and valve springs are checked as follows:
1.Check the valve for bending or abnormal wear of the