Yamaha YZF-R1S Service Manual - Eng
5-20
CAMSHAFT
ENG
10 Nm (1.0 m
Skg, 7.2 ftSlb)
NOTE:
CAUTION:
24 Nm (2.4 m
Skg, 17 ftSlb)
CAUTION:
5. Install:
Scamshaft cap bolts
Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.
SLubricate the camshaft cap bolts with the
engine oil.
SThe camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.
SDo not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
6. Tighten:
Scamshaft sprocket bolts
1
Camshaft wrench
90890-04143
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
7. Align:
Scamshaft punch mark
a
Align the camshaft punch mark
a
and the
camshaft cap arrow mark
b
.
Camshaft wrench
90890-04143