Yamaha FZ6-SS, Service Manual

Page: 90 / 435

3-13
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
NOTE:
NOTE:
NOTE:
5. Remove:
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camshafts
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Refer to “CAMSHAFTS” in chapter 5.
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When removing the timing chain and cam-
shafts, fasten the timing chain with a wire to re-
trieve it if it falls into the crankcase.
6. Adjust:
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valve clearance
a. Remove the valve lifter 1 and the valve pad
2 with a valve lapper 3 .
Valve lapper
90890-04101
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Cover the timing chain opening with a rag to
prevent the valve pad from falling into the
crankcase.
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Make a note of the position of each valve lifter
1 and valve pad 2 so that they can be
installed in the correct place.
b. Select the proper valve pad from the follow-
ing table.
Valve pad
thickness range
Available valve
pads
Nos.
120
X
240
1.20
(0.0472)
X
2.40 mm
(0.0945 in)
25 thicknesses in
0.05 mm (0.002 in)
increments
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The thickness
a
of each valve pad is marked
in hundredths of millimeters on the side that
touches the valve lifter.
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Since valve pads of various sizes are originally
installed, the valve pad number must be
rounded in order to reach the closest equiva-
lent to the original.