Yamaha F2.5C, Руководство по обслуживанию

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POWR
Power unit
5-17
6D55F11
Checking the timing belt and
sprockets
1. Check the interior and exterior of the tim-
ing belt for cracks, damage, or wear.
Replace if necessary.
2. Check the drive sprocket and driven
sprockets for cracks, damage, or wear.
Replace if necessary.
Installing the sprockets and timing
belt
1. Install the driven sprocket
1
, and then
tighten the bolt to the specified torque.
2. Check that “ ” mark
a
on the driven
sprocket is aligned with the “ ” mark
b
on the cylinder head. Align if necessary.
3. Install the drive sprocket
2
, and then
check that the mark
c
on the drive
sprocket is aligned with the mark
d
on
the cylinder block. Align if necessary.
4. Install a new timing belt
3
to the drive
sprocket and then to the driven sprocket
with its part number in the upright posi-
tion.
CAUTION:
• Do not to damage the timing belt during
installation.
• Do not twist, turn inside out, or bend the
timing belt beyond the maximum limit of
25 mm (1.0 in), otherwise it can be dam-
aged.
• Do not get oil or grease on the timing
belt.
NOTE:
When installing the timing belt, lift the drive
sprocket slightly to ease installation. Be care-
ful the Woodruff key for the drive sprocket
does not slide out of position.
5. Turn the drive sprocket clockwise two
turns, and then check that the alignment
marks are aligned.
Flywheel holder: 90890-06522
T
R
.
.
Driven sprocket bolt:
38 N·m (3.8 kgf·m, 28.0 ft·lb)
S6D55150
3