Yamaha MT-09 2021 Service Manual page 251

1
b
1
b. Lock the timing chain tensioner rod by set-
ting the circlip "4" into groove "5" while
pushing the timing chain tensioner rod.
4
5
c. Install the timing chain tensioner to the cyl-
inder block.
TIP
Always use a new gasket.
Timing chain tensioner bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
d. Turn the crankshaft clockwise several times
to release the timing chain tensioner rod.
10.Turn:
• Crankshaft
(several turns counterclockwise)
11.Confirm the timing chain tension properly.
a
2
3
12.Check:
• Mark "a"
Make sure the mark "a" on the generator rotor
is aligned with the generator rotor cover mark
"b".
• Camshaft punch mark "c"
Make sure the camshaft punch mark "c" on
the camshaft is aligned with the camshaft cap
alignment mark "d".
Out of alignment → Adjust.
Refer to the installation steps above.
b
a
c
13.Measure:
• Valve clearance
Out of specification → Adjust.
Refer to "ADJUSTING THE VALVE CLEAR-
ANCE" on page 3-5.
14.Install:
• Timing mark accessing bolt "1"
Timing mark accessing bolt
15 N·m (1.5 kgf·m, 11 lb·ft)
• Crankshaft end cover "2"
Crankshaft end cover
10 N·m (1.0 kgf·m, 7.4 lb·ft)
5-24
CAMSHAFTS
d
d
c