Checking The Timing Belt; Replacing The Timing Belt - Yamaha F15B Service Manual

CHK
ADJ
3. Install the oil filter, and then tighten it to
the specified torque.
Oil filter wrench:
90890-01426
Oil filter:
18 N·m (1.8 kgf·m, 13 ft·lb)

Checking the timing belt

1. Remove the manual starter and cover.
2. Turn the flywheel magnet clockwise to
transfer the slack a of the timing belt
from port to starboard and hold the fly-
wheel magnet.
3. Slightly push the timing belt with your fin-
ger between the drive sprocket and dri-
ven sprocket, and then measure the belt
slack. Replace if necessary.
Specified slack a:
Less than 10.0 mm (3.9 in)
3-5
Periodic checks and adjustments
6D430080
a
6D430090
4. Check the interior b and the exterior c
of the timing belt for cracks, damage, or
wear. Replace if necessary.
cC
Do not turn the flywheel magnet counter-
clockwise, otherwise the valve system
may be damaged.

Replacing the timing belt

1. Turn the flywheel magnet clockwise and
align the "1" mark a on the driven
sprocket with the "M" mark b on the
cylinder head,and then remove the timing
belt.
c
d
NOTE:
At the same time, check the cut out c on the
driven sprocket with the "L" mark d on the
cylinder block is aligned.
b
c
6D430100
b
a
6D430110
6D430115
6D45F11