Yamaha FJR1300(N) Motorcycle User Manual


 
5 - 13
ENG
CAMSHAFTS
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a. Install the camshaft into the cylinder head
(without the dowel pins and camshaft caps).
b. Position a strip of Plastigauge
®
1 onto the
camshaft journal as shown.
c. Install the dowel pins and camshaft caps.
NOTE:
@
Tighten the camshaft cap bolts in stages and
in a crisscross pattern, working from the
inner caps out.
Do not turn the camshaft when measuring
the camshaft journal-to-camshaft cap clear-
ance with the Plastigauge
®
.
d. Remove the camshaft caps and then mea-
sure the width of the Plastigauge
®
1.
▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲
T
R
.
.
Camshaft cap bolt
10 Nm (1.0 m · kg)
5. Measure:
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
24.472 ~ 24.459 mm
CHECKING THE CAMSHAFT SPROCKETS
1. Check:
camshaft sprocket
Wear/damage Replace the camshaft
sprockets and timing chain as a set.
a
1/4 of
a
tooth
b
Correct
1
Timing chain
2
Camshaft sprocket