ATV ATV110-M Service Manual page 107

Apply molybdemum
disulfide oil
.Pain molybdenum disulfide oil on the valve
rod part.
.Place the valve into the cylinder cover
.Rotate the valve to grind in with seat fully on
the valve face, then clean the dirty
.repeat procedure until the contacting width
of valve face and valve seat
In order to get the best grinding quality, you
may slap the valve lightly when rotating the
valve forward and backward.Be sure to clean
all the dirty on the valve face and valve race
after every grinding.
6)Measure the contacting width again after
correcting and grinding
.Meassure the contacting width and position
of valve and valve race again according to
method explained in3
.If the contacting width and position do not
conform to specification yet, recorrect and
grind the valve race.
5.Valve spring
1)Measure
.If the free length @(inner and outer spring)
of valve spring unqualified, replace it.
Free length of valve spring
Inner spring(intake/exhaust)
35.5mm(1.4 in)
Outer spring(intake/exhaust)
37.2mm(1.46 in)
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