Yamaha XJR1300(L) 99, Service Manual

Page: 64 / 338

3-6
ADJUSTING THE VALVE CLEARANCE
CHK
ADJ
EX
IN
NOTE:
NOTE:
5. Adjust:
S
Valve clearance
a. Align the intake and exhaust valve lifter slots
with each other.
b. Slowly turn the crankshaft until the cam lifted
at maximum.
c. Install the tappet adjusting tool 1 as shown.
Tappet adjusting tool:
P/ N 90890-04110
Make sure that the tappet adjusting tool touches
only the valve lifter
2 , not the valve pad 3 .
d. Slowly turn the crankshaft so that the valve
pad can be removed.
e. Remove the valve pad from the valve lifter
with a small screwdriver and a pair of twee-
zers. Make a note of the position of each
valve pad and valve pad number so they can
be installed in the correct place.
f. Select the proper valve pad from the follow-
ing table.
Valve pad
thickness range
Available
valve pads
No. 200
No. 320
2.00 mm
3.20 mm
25 thicknesses in
0.05 mm
incre ments
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The thickness of each valve pad is marked in
hundredths of millimeters on the side that
touches the valve lifter (not the camshaft).
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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.
g. Round off the original valve pad number ac-
cording to the following table.