Yamaha XF50W Service Manual page 67

ADJUSTING THE VALVE CLEARANCE
Last digit
0 or 2
5
8
EXAMPLE:
Original valve pad number =148(thickness
=1.48mm(0.0583in))
Rounded value =150
g. Locate the rounded number of the original
valve pad and the measured valve clear-
ance in the valve pad selection table. The
point where the column and row intersect is
the new valve pad number.
NOTE:
The new valve pad number is only an approxi-
mation. The valve clearance must be measured
again and the above steps should be repeated if
the measurement is still incorrect.
h. Install the new valve pad .
NOTE:
• Lubricate the valve pad with molybdenum
disulfide oil.
• Install the valve pad in the correct place.
i. Install the rocker arm, collar and rocker arm
shaft.
j. Install the plate and cylinder head nuts
X | 10Nm(1.0m
k. Install the cylinder head bolts .
X | 10Nm(1.0m
l. Install the camshaft sprocket.
X | 30Nm(3.0m
m. Install the timing chain tensioner and gas-
ket.
X | 9Nm(0.9m *
3-12
CHK
ADJ
Rounded value
0
5
10
* kg, 7.2ft * lb)
* kg, 7.2ft * lb)
* kg, 21.7ft * lb)
kg, 6.5ft * lb)
< &