Yamaha YZF-R1 (2006) [218/426] Camshafts

Yamaha YZF-R1 (2006) [218/426] Camshafts
CAMSHAFTS
5-15
EAS24000
INSTALLING THE CAMSHAFTS
1. Align:
“T” mark “a” on the pickup rotor
(with the crankcase mating surface “b”)
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a. Turn the crankshaft clockwise.
b. When position #1 is at TDC, align the “T”
mark “a” with the crankcase mating surface
“b”.
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2. Install:
Intake camshaft sprocket “1”
Exhaust camshaft sprocket “2”
(with the camshaft sprockets temporarily
tightened)
NOTE:
Install the camshaft sprockets as a illustration.
3. Install:
Exhaust camshaft “1”
Intake camshafts “2”
(with the camshaft sprockets temporarily
tightened)
NOTE:
Make sure the punch mark “a” on each cam-
shaft faces up.
4. Install:
Dowel pins
Intake camshaft caps
Exhaust camshaft caps
NOTE:
Make sure each camshaft cap is installed in
its original place. Refer to the identification
marks as follows:
“I”: Intake side camshaft cap mark
“E”: Exhaust side camshaft cap mark
“IL”: Intake left side camshaft cap mark
“IR”: Intake right side camshaft cap mark
“EL”: Exhaust left side camshaft cap mark
“ER”: Exhaust right side camshaft cap mark
Make sure the arrow mark “a” on each cam-
shaft points towards the right side of the
engine.
5. Install:
Camshaft cap bolts
NOTE:
Tighten the camshaft cap bolts in stages and
in a crisscross pattern, working from the inner
caps out.
Camshaft cap bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)

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