2009 YAMAHA YFZ450R fuse

Accessories and loading ........................... 6-5
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV.............. 7-2
RIDE WITH CARE AND GOOD
JUDGEMENT ...........................................7-2
BE CAREFUL WHERE YOU RIDE ............ 7-8
TURNING YOUR ATV ............................. 7-12
CLIMBING UPHILL .................................. 7-14
RIDING DOWNHILL................................. 7-16
CROSSING A SLOPE.............................. 7-17
CROSSING THROUGH SHALLOW
WATER .................................................. 7-18
RIDING OVER ROUGH TERRAIN .......... 7-20
SLIDING AND SKIDDING ........................ 7-20
WHAT TO DO IF... ................................... 7-21
WHAT TO DO... ....................................... 7-21
PERIODIC MAINTENANCE AND MINOR
REPAIR .......................................................... 8-1
Owner’s manual and tool kit ...................... 8-1
Periodic maintenance chart for the
emission control system .......................... 8-3
General maintenance and lubrication
chart ........................................................ 8-4
Removing and installing panels ................ 8-8
Checking the spark plug .......................... 8-13
Engine oil and oil filter element ............... 8-14
Coolant .................................................... 8-19Cleaning the air filter element .................. 8-23
Cleaning the spark arrester ..................... 8-27
Adjusting the throttle cable free play ........ 8-28
Valve clearance ....................................... 8-29
Checking the front and rear brake
pads .......................................................8-29
Checking the brake fluid level .................. 8-30
Changing the brake fluid .......................... 8-32
Checking the front brake lever free
play ........................................................ 8-32
Checking the brake pedal position ........... 8-33
Adjusting the parking brake free play ...... 8-34
Brake light switches ................................. 8-35
Adjusting the clutch lever free play .......... 8-36
Drive chain slack ...................................... 8-37
Lubricating the drive chain ....................... 8-39
Checking and lubricating the cables ........ 8-40
Checking and lubricating the brake and
clutch levers ........................................... 8-40
Checking the shift pedal .......................... 8-41
Checking and lubricating the brake
pedal ......................................................8-41
Checking the wheel hub bearings ............ 8-42
Lubricating the swingarm pivots .............. 8-42
Lubricating the upper and lower arm
pivots .....................................................8-42
Battery ..................................................... 8-43
Replacing the fuse ................................... 8-46
Replacing a headlight bulb ...................... 8-46

3-1
1
23
4
5
6
7
8
9
10
11

EBU17680
DESCRIPTION
EBU17690
Left view
EBU17700
Right view
1. Front shock absorber assembly compression damping
force adjusting bolt (for fast compression damping)
2. Front shock absorber assembly compression damping
force adjusting screw (for slow compression damping)
3. Headlights
4. Front shock absorber assembly spring preload adjusting nut
5. Engine oil tank filler cap
6. Tail/brake light
7. Shift pedal
8. Coolant reservoir
9. Front shock absorber assembly rebound damping force
adjusting screw
6
7 8 934 1
5
2

1. Spark arrester
2. Fuse
3. Seat
4. Rear shock absorber assembly spring preload adjusting nut
5. Rear shock absorber assembly compression damping
force adjusting bolt (for fast compression damping)
6. Rear shock absorber assembly compression damping
force adjusting screw (for slow compression damping)
7. Radiator cap
8. Oil filter element
9. Brake pedal
10. Rear shock absorber assembly rebound damping force
adjusting screw
7
8 9 10 1
2
3
4
5
6

8-46
1
2
3
4
5
6
78
9
10
11

EBU25242
Replacing the fuse
The fuse holder is located under the seat. (See
page 4-10.)
If the fuse is blown, replace it as follows.
1. Turn the key to “OFF” and turn off all electrical
circuits.
NOTICE

ECB00640
To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse.
2. Remove the blown fuse, and then install a
new fuse of the specified amperage.
WARNING

EWB02171
Always use a fuse of the specified rating, and
never use a substitute object in place of the
proper fuse. An improper fuse or a substitute
object can cause damage to the electrical sys-
tem, which could lead to a fire.
3. Turn the key to “ON” and turn on the electrical
circuits to check if the devices operate.
4. If the fuse immediately blows again, have a
Yamaha dealer check the electrical system.
EBU29460
Replacing a headlight bulb
If a headlight bulb burns out, replace it as follows.
1. Remove panel E. (See page 8-8.)
2. Remove the headlight bulb holder cover.
1. Fuse
2. Spare fuse
1
2

Specified fuse:
20.0 A

10-4
1
2
3
4
5
6
7
8
910
11

Operation:
Right hand operation
Recommended fluid:
DOT 4
Rear brake:
Type:
Single disc brake
Operation:
Right foot operation
Recommended fluid:
DOT 4
Front suspension:
Type:
Double wishbone
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
250 mm (9.9 in)
Rear suspension:
Type:
Swingarm (link suspension)
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
280 mm (11.0 in)
Electrical system:
Ignition system:
TCI (digital)
Charging system:
AC magneto
Battery:
Model:
YTZ-7S
Voltage, capacity:
12 V, 6.0 Ah
Headlight:
Bulb type:
Krypton bulb
Bulb voltage, wattage
×× × ×
quantity:
Headlight:
12 V, 30/30 W
×
2
Tail/brake light:
LED
Neutral indicator light:
LED
Fuel level warning light:
LED
Coolant temperature warning light:
LED
Engine trouble warning light:
LED
Fuses:
Main fuse:
20.0 A

INDEX
A
Accessories and loading ................................................ 6-5
Air filter element, cleaning ............................................ 8-23
B
Battery .......................................................................... 8-43
Brake and clutch levers, checking and lubricating ....... 8-40
Brake fluid, changing.................................................... 8-32
Brake fluid level, checking............................................ 8-30
Brake lever ..................................................................... 4-6
Brake lever free play, checking the front ...................... 8-32
Brake light switches ..................................................... 8-35
Brake pads, checking the front and rear ...................... 8-29
Brake pedal .................................................................... 4-7
Brake pedal, checking and lubricating ......................... 8-41
Brake pedal position, checking .................................... 8-33
Brakes, front and rear .................................................... 5-4
C
Cables, checking and lubricating ................................. 8-40
Chassis fasteners........................................................... 5-8
Cleaning ......................................................................... 9-1
Clutch lever .................................................................... 4-6
Clutch lever free play, adjusting ................................... 8-36
Coolant ................................................................. 5-4
,
8-19
Coolant temperature warning light ................................. 4-2
D
Drive chain ..................................................................... 5-5Drive chain, lubricating ................................................. 8-39
Drive chain slack .......................................................... 8-37
E
Engine break-in .............................................................. 6-4
Engine oil ....................................................................... 5-4
Engine oil and oil filter element .................................... 8-14
Engine, start ................................................................... 6-1
Engine stop switch ......................................................... 4-3
Engine trouble warning light ........................................... 4-3
F
Fuel ........................................................................ 4-9
,
5-4
Fuel level warning light................................................... 4-2
Fuel tank cap.................................................................. 4-8
Fuse, replacing............................................................. 8-46
H
Handlebar position, adjusting ....................................... 4-24
Handlebar switches ........................................................ 4-3
Headlight beam, adjusting............................................ 8-48
Headlight bulb, replacing.............................................. 8-46
I
Identification numbers .................................................. 11-1
Indicator light and warning lights .................................... 4-2
Instruments, lights and switches .................................... 5-8
K
Key identification number ............................................. 11-1