Page 14 of 396

Cooling system ...................................8-23
Spark plug inspection .........................8-39
Air filter cleaning .................................8-43
Carburetor settings .............................8-51
Idle speed adjustment ........................8-67
Throttle lever adjustment ....................8-71
Front and rear brake pad
inspection .........................................8-73
Brake fluid level check ........................8-75
Brake fluid replacement ......................8-79
Front brake lever free play .................8-81
Brake pedal height adjustment ...........8-83
Parking brake adjustment ...................8-85
Adjusting the rear brake light switch ...8-89
Clutch adjustment ...............................8-91
Drive chain slack check ......................8-91
Drive chain slack adjustment ..............8-93
Lubricating the drive chain .................8-95
Cable inspection and lubrication ........8-99Brake and shift pedal/brake and
clutch lever lubrication ....................8-101
Front upper and lower arm pivot
lubrication .......................................8-101
Rear arm pivot lubrication ................8-103
Wheel removal .................................8-105
Wheel installation .............................8-105
Replacing the headlight bulb ............8-107
Headlight beam adjustment ..............8-109
Tail/brake light bulb replacement .....8-111
Troubleshooting ................................8-113
Troubleshooting chart .......................8-117
CLEANING AND STORAGE ...................9-1
A. Cleaning ...........................................9-1
B. Storage ............................................9-7
SPECIFICATIONS .................................10-1
10
9
Page 352 of 396
8-107
EBU01138
Replacing a headlight bulb
If a headlight bulb burns out, replace the bulb as
follows.
1. Remove the screw holding the headlight
unit assembly to the headlight body.
2. Remove the bulb holder cover.
3. Turn the bulb holder counterclockwise to
remove the defective bulb.
w
A headlight bulb is hot when it is on and
immediately after it is turned off. Wait for the
bulb to cool before touching or removing it.
You can be burned, or a fire could start if the
bulb touches something flammable.
4. Put a new headlight bulb into position and
secure it in place with the bulb holder.
5. Install the bulb holder cover.
q
1. Screw
1. Vis
1. Tornillo
e qw
1. Bulb holder caver 2. Bulb holder
3. Reflector
1. Cache de la douille d’ampoule 2. Douille d’ampoule
3. Réflecteur
1. Cubierta del portabombillas 2. Portabombillas
3. Reflector
Page 354 of 396
8-109
cC
Make sure the bulb holder cover is securely
fitted over the bulb holder and seated
against the reflector.
6. Install the headlight unit assembly.
7. Adjust the headlight beam if necessary.
EBU01089
Headlight beam adjustment
cC
It is advisable to have a Yamaha dealer make
this adjustment.
To raise the beam, turn the adjusting screw in
directiona.
To lower the beam, turn the adjusting screw in
directionb.
b
1
a
1. Adjusting screw
1. Vis de réglage
1. Tornillo de ajuste
Page 356 of 396
8-111
EBU00861
Tail/brake light bulb replacement
1. Remove the bulb holder (together with the
bulb) by turning it counterclockwise.
2. Remove the defective bulb from the bulb
holder by pushing it inward and turning it
counterclockwise.
3. Install a new bulb in the bulb holder by
pushing it inward and turning it clockwise.
4. Install the bulb holder (together with the
bulb).
q
q
w
1. Bulb holder
1. Fixation d’ampoule
1. Portabombillas
1. Bulb holder 2. Bulb
1. Fixation d’ampoule 2. Ampoule
1. Portabombillas 2. Bombilla
Page 382 of 396
10-5
Model YFZ350
Suspension:
Front suspension Double wishbone
Rear suspension Swingarm (link suspension)
Shock absorber:
Front shock absorber Coil spring/Oil damper
Rear shock absorber Coil spring/Gas-oil damper
Wheel travel:
Front wheel travel 230 mm
Rear wheel travel 220 mm
Electrical:
Ignition system C.D.I.
Generator system A.C. magneto
Headlight type: Krypton bulb
Bulb voltage, wattage ×quantity:
Headlight 12V, 30 W/30 W ×2
Tail/brake light 12V, 5 W/21 W ×1