Yamaha YZF-R1 (2006) [219/426] Camshafts

Yamaha YZF-R1 (2006) [219/426] Camshafts
CAMSHAFTS
5-16
CAUTION:
ECA4C81004
Lubricate the camshaft cap bolts with the
engine oil.
The camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.
Do not turn the crankshaft when installing
the camshaft to avoid damage or
improper valve timing.
6. Tighten:
Camshaft sprocket bolts “1”
CAUTION:
ECA4C81005
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:
Camshaft punch mark “a”
Align the camshaft punch mark “a” and the
camshaft cap arrow mark “b”.
8. Install:
•Gasket
Timing chain tensioner “1”
Timing chain tensioner bolts “2”
CAUTION:
ECA4C81006
The arrow mark “a” on the timing chain ten-
sioner should face up.
WARNING
EWA4C81004
Always use a new gasket.
9. Turn:
Crankshaft
(several turns clockwise)
10. Check:
•“T marka
Make sure the “T” mark on the pickup rotor
is aligned with the crankcase mating sur-
face “b”.
Camshaft punch mark “c”
Make sure the punch mark “c” on the cam-
shaft is aligned with the camshaft cap
arrow mark “d”.
Out of alignment Adjust.
Refer to the installation steps above.
Camshaft sprocket bolt
24 Nm (2.4 m·kg, 17 ft·lb)
Camshaft wrench
90890-04143
Camshaft wrench
90890-04143
Timing chain tensioner bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)
New

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