Yamaha YZF-R1, Service Manual

Page: 314 / 808

CAMSHAFTS
5-31
b. Keep pressing the timing chain tensioner
rod, mount clip “4” into groove “5”, and
lock the timing chain tensioner rod.
c. In the status of step (b), install the rod as-
sembly in the cylinder block.
TIP
Always use a new gasket.
d. Unlock the timing chain tensioner by turn-
ing the crankshaft clockwise, and tension
the timing chain.
7. Turn:
• Crankshaft
(several turns counterclockwise)
8. Check:
• Mark “a”
Make sure the mark “a” on the generator rotor
is aligned with the generator rotor cover slot
“b”.
• Camshaft sprocket timing mark “c”
Make sure the camshaft sprocket timing mark
“c” is aligned with the cylinder head mating
surface “d”.
Out of alignment
→
Adjust.
Refer to the installation steps above.
TIP
Check the timing mark position of the camshaft
sprocket using a mirror.
9. Measure:
• Valve clearance
Out of specification
→
Adjust.
Refer to “ADJUSTING THE VALVE CLEAR-
ANCE” on page 3-6.
10.Install:
• Timing mark accessing bolt
• Crankshaft end cover
Refer to “GENERATOR” on page 5-44.
11.Install:
• Timing chain guide (top side)
• Cylinder head cover gasket “1”
• Cylinder head cover gasket “2”
• Cylinder head cover
TIP
• Apply Three Bond No. 1541C® onto the mat-
ing surfaces of the cylinder head cover and cyl-
inder head cover gasket.
T
R
.
.
Timing chain tensioner bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
LOCTITE®
5
4
T
R
.
.
Timing mark accessing bolt
15 N·m (1.5 kgf·m, 11 lb·ft)
T
R
.
.
Crankshaft end cover
15 N·m (1.5 kgf·m, 11 lb·ft)
T
R
.
.
Cylinder head cover bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
a
b
c c d d
New
New