Checking Bolts And Nuts - Yamaha F40BMHD Wartungshandbuch

CHK
GENERAL
ADJ
11
5
9
1
10
4
12
8
6
2
3
7

CHECKING BOLTS AND NUTS

1. Check:
• Cylinder head bolts
Out of specification → Tighten.
Tightening torque
9 × × × × 95mm bolts
1st: 22.6Nm (2.3m
2nd:46.1Nm (4.6m
6 × × × × 25mm bolts
1st: 6Nm (0.6m
2nd:11.8Nm (1.2m
Checking steps
(1) Remove the cylinder head cover.
(2) Verify the tightening torque of cylinder
head bolts.
NOTE:
If any one of the bolts was found to be out
of specification, re-tighten all the bolts in
the specified order to the specified torque.
2. Check:
• Flywheel magnet nut
Out of specification → Tighten.
Tightening torque
157Nm(16.0m
Checking steps
(1) Remove the flywheel magnet assem-
bly cover (the manual starter assembly
cover).
(2) Verify the tightening torque of flywheel
magnet nut.
Flywheel magnet assembly holder
YB-06139 / 90890-06522
3-24
E
kgf, 17ft lb)
• •
kgf, 34ft lb)
• •
kgf, 4.4ft lb)
• •
kgf, 8.7ft lb)
• •
kgf, 116ft lb)
• •