Checking The Camshaft Sprockets - Yamaha FJR1300N 2001 Service Manual

CAMSHAFTS
a. Install the camshaft into the cylinder head
(without the dowel pins and camshaft caps).
b. Position a strip of Plastigauge
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
Camshaft cap bolt
10 Nm (1.0 m · kg)
d. Remove the camshaft caps and then mea-
sure the width of the Plastigauge
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
5 - 13
ENG
1 onto the
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