Page 70 of 98
PERIODIC MAINTENANCE AND MINOR REPAIR
6-26
6
EAU23141
Checking and lubricating the
brake and clutch levers Brake lever
Clutch lever
The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lu-
bricated if necessary.
EAU23200
Checking and lubricating the
sidestand The operation of the sidestand should
be checked before each ride, and the
sidestand pivot and metal-to-metal
contact surfaces should be lubricated if
necessary.
WARNING
EWA10730
If the sidestand does not move up
and down smoothly, have a Yamahadealer check or repair it.
Recommended lubricants:
Brake lever:
Silicone grease
Clutch lever:
Lithium-soap-based grease (all-
purpose grease)
Recommended lubricant:
Lithium-soap-based grease (all-pur-
pose grease)
U5S5E1E0.book Page 26 Friday, June 22, 2007 1:03 PM
Page 71 of 98

PERIODIC MAINTENANCE AND MINOR REPAIR
6-27
6
EAUM1650
Lubricating the swingarm piv-
ots The swingarm pivots must be lubricat-
ed at the intervals specified in the peri-
odic maintenance and lubrication chart.
EAU23271
Checking the front fork The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
WARNING
EWA10750
Securely support the vehicle so thatthere is no danger of it falling over.
Check the inner tubes for scratches,
damage and excessive oil leakage.
To check the operation
1. Place the vehicle on a level sur-
face and hold it in an upright posi-
tion.
2. While applying the front brake,
push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
CAUTION:
ECA10590
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-pair it.
Recommended lubricant:
Lithium-soap-based grease
U5S5E1E0.book Page 27 Friday, June 22, 2007 1:03 PM
Page 72 of 98
PERIODIC MAINTENANCE AND MINOR REPAIR
6-28
6
EAU23280
Checking the steering Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place a stand under the engine to
raise the front wheel off the
ground.
WARNING
EWA10750
Securely support the vehicle so thatthere is no danger of it falling over.
2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.
EAU23290
Checking the wheel bearings The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
U5S5E1E0.book Page 28 Friday, June 22, 2007 1:03 PM
Page 73 of 98

PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6
EAU34372
Battery FZ6-NHG
FZ6-NAHGThe battery is located under the fuel
tank. (See page 6-13.)
This model is equipped with a sealed-
type (MF) battery, which does not re-
quire any maintenance. There is no
need to check the electrolyte or to add
distilled water.
To charge the battery
Have a Yamaha dealer charge the bat-
tery as soon as possible if it seems to
have discharged. Keep in mind that the
battery tends to discharge more quickly
if the vehicle is equipped with optional
electrical accessories.
WARNING
EWA10760
Electrolyte is poisonous and
dangerous since it contains sul-
furic acid, which causes severe
burns. Avoid any contact with
skin, eyes or clothing and al-
ways shield your eyes when
working near batteries. In case
of contact, administer the fol-
lowing FIRST AID.
EXTERNAL: Flush with plenty
of water.INTERNAL: Drink large quan-
tities of water or milk and im-
mediately call a physician.
EYES: Flush with water for 15
minutes and seek prompt
medical attention.
Batteries produce explosive hy-
drogen gas. Therefore, keep
sparks, flames, cigarettes, etc.,
away from the battery and pro-
vide sufficient ventilation when
charging it in an enclosed
space.
KEEP THIS AND ALL BATTER-
IES OUT OF THE REACH OFCHILDREN.
To store the battery
1. If the vehicle will not be used for
more than one month, remove the
battery, fully charge it, and then
place it in a cool, dry place.
2. If the battery will be stored for more
than two months, check it at least
once a month and fully charge it if
necessary.
3. Fully charge the battery before in-
stallation.
1. Positive battery lead (red)
2. Negative battery lead (black)
1. Battery
2. Negative battery lead (black)
3. Positive battery lead (red)
U5S5E1E0.book Page 29 Friday, June 22, 2007 1:03 PM
Page 76 of 98

PERIODIC MAINTENANCE AND MINOR REPAIR
6-32
6
EAU34380
Replacing the headlight bulb This model is equipped with a quartz
bulb headlight. If the headlight bulb
burns out, replace it as follows.
1. Remove the headlight unit by re-
moving the bolts on each side.
2. Disconnect the headlight coupler,
and then remove the bulb cover.3. Unhook the headlight bulb holder,
and then remove the defective
bulb.
WARNING
EWA10790
Headlight bulbs get very hot. There-
fore, keep flammable products away
from a lit headlight bulb, and do not
touch the bulb until it has cooleddown.
4. Place a new headlight bulb into po-
sition, and then secure it with the
bulb holder.CAUTION:
ECA10660
Do not touch the glass part of the
headlight bulb to keep it free from
oil, otherwise the transparency of
the glass, the luminosity of the bulb,
and the bulb life will be adversely af-
fected. Thoroughly clean off any dirt
and fingerprints on the headlight
bulb using a cloth moistened with al-cohol or thinner.
1. Bolt
1. Headlight bulb cover
2. Headlight coupler
1. Headlight bulb holder
2. Headlight bulb
U5S5E1E0.book Page 32 Friday, June 22, 2007 1:03 PM
Page 77 of 98
PERIODIC MAINTENANCE AND MINOR REPAIR
6-33
6 5. Install the headlight bulb cover,
and then connect the coupler.
6. Install the headlight unit by install-
ing the bolts.
7. Have a Yamaha dealer adjust the
headlight beam if necessary.
EAU32822
Replacing the tail/brake light
bulb 1. Remove the seat. (See page
3-18.)
2. Remove the socket (together with
the bulb) by turning it counter-
clockwise.
WARNING
EWA12301
Do not touch the muffler bracket un-til the exhaust system has cooled.
3. Remove the defective bulb by
pushing it in and turning it counter-
clockwise.4. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
5. Install the socket (together with the
bulb) by turning it clockwise.
6. Install the seat.
1. Do not touch the glass part of the bulb.
1. Tail/brake light bulb socket
2. Muffler bracket cover
U5S5E1E0.book Page 33 Friday, June 22, 2007 1:03 PM
Page 80 of 98

PERIODIC MAINTENANCE AND MINOR REPAIR
6-36
6
EAU44790
Front wheel (FZ6-NHG)
WARNING
EWA14840
For the ABS model, have a Yamahadealer remove and install the wheel.
EAU24490
To remove the front wheel
WARNING
EWA10820
It is advisable to have a Yamaha
dealer service the wheel.
Securely support the motor-
cycle so that there is no dangerof it falling over.
1. Loosen the front wheel axle pinch
bolt, then the wheel axle and the
brake caliper bolts.2. Lift the front wheel off the ground
according to the procedure on
page 6-35.
3. Remove the brake caliper on each
side by removing the bolts.
CAUTION:
ECA11050
Do not apply the brake after the
brake calipers have been removed,
otherwise the brake pads will beforced shut.
4. Pull the wheel axle out, and then
remove the wheel.
EAU43370
To install the front wheel
1. Lift the wheel up between the fork
legs.
2. Insert the wheel axle.
3. Install the brake calipers by install-
ing the bolts.NOTE:Make sure that there is enough space
between the brake pads before install-
ing the brake calipers onto the brakediscs.
4. Lower the front wheel so that it is
on the ground.
5. Tighten the wheel axle, the front
wheel axle pinch bolt and the
brake caliper bolts to the specified
torques.
1. Wheel axle
2. Front wheel axle pinch bolt
1. Brake caliper
2. Brake caliper bolt
U5S5E1E0.book Page 36 Friday, June 22, 2007 1:03 PM
Page 81 of 98

PERIODIC MAINTENANCE AND MINOR REPAIR
6-37
6 6. Push down hard on the handlebar
several times to check for proper
fork operation.
EAU44800
Rear wheel (FZ6-NHG)
WARNING
EWA14840
For the ABS model, have a Yamahadealer remove and install the wheel.
EAU43380
To remove the rear wheel
WARNING
EWA10820
It is advisable to have a Yamaha
dealer service the wheel.
Securely support the motor-
cycle so that there is no dangerof it falling over.
1. Loosen the axle nut.
2. Lift the rear wheel off the ground
according to the procedure on
page 6-35.
3. Remove the axle nut.
4. Loosen the locknut and drive chain
adjusting bolt on each side of the
swingarm.5. While supporting the brake caliper
and slightly lifting the wheel, pull
the wheel axle out.
Tightening torques:
Wheel axle:
72 Nm (7.2 m·kgf, 52 ft·lbf)
Front wheel axle pinch bolt:
19 Nm (1.9 m·kgf, 13 ft·lbf)
Brake caliper bolt:
40 Nm (4.0 m·kgf, 29 ft·lbf)
1. Locknut
2. Drive chain slack adjusting bolt
3. Axle nut
U5S5E1E0.book Page 37 Friday, June 22, 2007 1:03 PM