KAYO MOTOR TD125, Service Manual

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Timing check
Timing mark of driven sprocket
Timing mark of cylinder head
Magneto rotor timing scale
Engine left front cover timing mark
1.Use special tools to rotate C100 six level magneto
locking nut, at the same time through the small inspect
hole on the left front cover to observe the magneto rotor
on the timing scale line and the left front cover on the
timing mark is correct;
2.Observe whether the timing mark of the driven
sprocket is aligned with the timing mark of the cylinder
head from the left cover of the engine cylinder head.
Removal of valve cover
Valve cover 1.Remove the valve cover on both sides of the intake
and exhaust of the cylinder head;
2.After removing the valve cover, check whether the
thread is damaged and the sealing ring is damaged. If
there is damage, use new parts when reassembling.
Check valve clearance
1.Check that the magneto rotor timing mark is aligned
with the timing mark on the left front cover and that the
timing sprocket O mark is aligned with the cylinder
head timing mark.
2.The valve should have slight axial clearance, no