Yamaha YZF-R1S Service Manual page 91

ADJUSTING THE VALVE CLEARANCE
3-14
c. Round off the original valve pad number ac-
cording to the following table.
Last digit
0 or 2
5
8
EXAMPLE:
Original valve pad number
= 148 (thickness =1.48 mm (0.058 in))
Rounded value = 150
d. Locate the rounded number of the original
valve pad and the measured valve clearance
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.
e. Install the new valve pad 1 and the valve lift-
er 2 .
NOTE:
S Lubricate the valve pad with molybdenum dis-
ulfide grease.
S Lubricate the valve lifter with molybdenum dis-
ulfide oil.
S The valve lifter must turn smoothly when ro-
tated by hand.
S Install the valve lifter and the valve pad in the
correct place.
f. Install the exhaust and intake camshafts,
timing chain and camshaft caps.
Camshaft cap bolt
10 Nm (1.0 mSkg, 7.2 ftSlb)
CHK
ADJ
Rounded value
0
5
10