2012 YAMAHA FZ1-N wheel torque

PERIODIC MAINTENANCE AND ADJUSTMENT
6-25
6
EAU22760
Drive chain slack The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22774
To check the drive chain slack1. Place the motorcycle on the side- stand.TIPWhen checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.2. Shift the transmission into the neu- tral position.
3. Measure the drive chain slack as shown. 4. If the drive chain slack is incorrect,
adjust it as follows.
EAU34317
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.1. Loosen the axle nut and the lock- nut on each side of the swingarm.
2. To tighten the drive chain, turn the drive chain slack adjusting bolt on
each side of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting bolt on each side
of the swingarm in direction (b),
and then push the rear wheel for-
ward. NOTICE: Improper drive
chain slack will overload the en- gine as well as other vital parts
of the motorcycle and can lead
to chain slippage or breakage.
To prevent this from occurring,
keep the drive chain slack with-
in the specified limits.
[ECA10571]
TIPUsing the alignment marks on each
side of the swingarm, make sure that
both drive chain pullers are in the same
position for proper wheel alignment.3. Tighten the axle nut, then the lock-
nuts to their specified torques.
Drive chain slack:20.0–30.0 mm (0.79–1.18 in)
1. Drive chain slack
1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
4. Drive chain puller
5. Alignment marks
U1ECE1E0.book Page 25 Monday, August 8, 2011 11:52 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-39
6
2. Lift the front wheel off the ground
according to the procedure in the
previous section “Supporting the
motorcycle”.
3. Remove the brake hose holder on each side by removing the bolt and
nut.
4. Remove the brake caliper on each side by removing the bolts.
NOTICE: Do not apply the brake
after the brake calipers have
been removed, otherwise the
brake pads will be forced shut.
[ECA11051]
5. Pull the wheel axle out, and then remove the wheel.
EAU39402
To install the front wheel1. Lift the wheel up between the fork legs.
2. Insert the wheel axle.
3. Lower the front wheel so that it is on the ground, and then put the
sidestand down.
4. Install the brake calipers by install- ing the bolts.
TIPMake sure that there is enough space
between the brake pads before install-
ing the brake calipers onto the brake
discs.5. Install the brake hose holders byinstalling the bolt and nut.
6. Tighten the brake caliper bolts to the specified torque.
7. Tighten the wheel axle, and then the wheel axle pinch bolt to their
specified torque.
8. Push down hard on the handlebar several times to check for proper
fork operation.
1. Front wheel axle pinch bolt
2. Wheel axle
3. Brake caliper bolt
3
2
1
1. Brake hose holder
2. Bolt and nut
3. Brake caliper bolt
4. Brake caliper
Tightening torque: Brake caliper bolt: 40 Nm (4.0 m·kgf, 29 ft·lbf)
Tightening torques: Wheel axle: 72 Nm (7.2 m·kgf, 52 ft·lbf)
Front wheel axle pinch bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf)
U1ECE1E0.book Page 39 Monday, August 8, 2011 11:52 AM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-41
6
EAU39413
To install the rear wheel1. Install the wheel and the brake cal- iper bracket by inserting the wheel
axle from the left-hand side.TIP●
Make sure that the slot in the brake
caliper bracket is fit over the retain-
er on the swingarm.
●
Make sure that there is enough
space between the brake pads be-
fore installing the wheel.
2. Install the drive chain onto the rearsprocket.
3. Install the axle nut. 4. Lower the rear wheel so that it is
on the ground, and then put the
sidestand down.
5. Adjust the drive chain slack. (See page 6-25.)
6. Tighten the axle nut, and then tighten the locknuts to the speci-
fied torques.
EAU25871
Troubleshooting Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look like
Yamaha parts, but they are often inferi-
or, have a shorter service life and can
lead to expensive repair bills.
WARNING
EWA15141
When checking the fuel system, do
not smoke, and make sure there are
no open flames or sparks in the ar-
ea, including pilot lights from water
1. Slot
2. Retainer
Tightening torques:Axle nut:150 Nm (15 m·kgf, 108 ft·lbf)
Locknut:
16 Nm (1.6 m·kgf, 12 ft·lbf)
U1ECE1E0.book Page 41 Monday, August 8, 2011 11:52 AM