Yamaha YZF-R1S Service Manual page 238

CAMSHAFT
3. Measure:
S camshaft runout
Out of specification ! Replace.
Camshaft runout limit
0.03 mm (0.0012 in)
4. Measure:
S camshaft-journal-to-camshaft-cap
ance
Out of specification ! Measure the camshaft
journal diameter.
Camshaft-journal-to-camshaft-
cap clearance
0.028 X 0.062 mm
(0.0011 X 0.0024 in)
a. Install the camshaft into the cylinder head
(without the dowel pins and camshaft caps).
b. Position strip of Plastigauge
camshaft journal as shown.
c. Install the dowel pins and camshaft caps.
NOTE:
S Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.
S Do not turn the camshaft when measuring the
camshaft journal-to-camshaft cap clearance
with the Plastigauge
Camshaft cap bolt
10 Nm (1.0 mSkg, 7.2 ftSlb)
d. Remove the camshaft caps and then mea-
sure the width of the Plastigauge
5. Measure:
S camshaft journal diameter a
Out of specification ! Replace the cam-
shaft.
Within specification ! Replace the cylinder
head and the camshaft caps as a set.
Camshaft journal diameter
22.459 X 22.472 mm
(0.8842 X 0.8847 in)
5-16
ENG
clear-

1 onto the

.

1 .