Yamaha F50D Servise Manual page 163

t
6
r
Crankshaft holder 18 r: 90890-06562
Drive sprocket nut 6:
150 N·m (15.0 kgf·m, 110.6 ft·lb)
TIP:
Use a deep socket t (42 mm) for this proce-
dure.
10. Turn the crankshaft clockwise fully twice,
and then check that the "1" mark a on
the driven sprocket is aligned with the
"▲" mark b on the cylinder head, and
that the "●" mark c on the drive sprocket
is aligned with the "▲" mark d on the
crankcase.
e
b
0
9
11. Tighten the tensioner bolts to the speci-
fied torque.
Tensioner bolt 9:
8 N·m (0.8 kgf·m, 5.9 ft·lb)
Tensioner bolt (adjusting bolt) 0:
25 N·m (2.5 kgf·m, 18.4 ft·lb)
12. Install the blowby hose e.
Timing belt
0
a
1
2
d
c
3
4
5
6
7
8
9
10
A
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