Yamaha FZ6-ST Supplementary Service Manual page 124

ADJUSTING THE VALVE CLEARANCE
3-13
5. Remove:
S camshafts
NOTE:
S Refer to "CAMSHAFTS" in chapter 5.
S 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:
S valve clearance
a. Remove the valve lifter 1 and the valve pad
2 with a valve lapper 3 .
Valve lapper
90890-04101
NOTE:
S Cover the timing chain opening with a rag to
prevent the valve pad from falling into the
crankcase.
S 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
1.20
Nos.
(0.0472) X
120 X
2.40 mm
240
(0.0945 in)
NOTE:
S The thickness a of each valve pad is marked
in hundredths of millimeters on the side that
touches the valve lifter.
S 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.
CHK
ADJ
Available valve
pads
25 thicknesses in
0.05 mm (0.002 in)
increments