YAMAHA YFZ450R 2009 Owners Manual

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Recommended engine oil grade:
API service SG type or higher, JASO standard MA
Engine oil quantity:
Without oil filter element replacement:
1.40 L (1.48 US qt, 1.23 Imp.qt)
With oil filter element replacement:
1.45 L (1.53 US qt, 1.28 Imp.qt)
Cooling system:
Coolant reservoir capacity (up to the maximum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes):
1.25 L (1.32 US qt, 1.10 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity:
10.0 L (2.64 US gal, 2.20 Imp.gal)
Fuel reserve amount:
3.4 L (0.90 US gal, 0.75 Imp.gal)
Fuel injection:
Throttle body:
Type/quantity:
42EHS/1
Spark plug (s):
Manufacturer/model:
NGK/CR8E
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Clutch:
Clutch type:
Wet, multiple-disc
Transmission:
Primary reduction system:
Spur gear
Primary reduction ratio:
61/23 (2.652)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
38/14 (2.714)
Transmission type:
Constant mesh 5-speed
-20 -10 0
1020 304050 ˚C
SAE 15W-40
SAE 20W-40SAE 20W-50
SAE 10W-40
SAE 5W-30
SAE 10W-30

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Operation:
Left foot operation
1st:
35/14 (2.500)
2nd:
30/15 (2.000)
3rd:
31/19 (1.632)
4th:
28/21 (1.333)
5th:
23/21 (1.095)
Chassis:
Frame type:
Aluminum die-cast and steel tube frame
Caster angle:
5.0 °
Trail:
21.0 mm (0.83 in)
Front tire:
Type:
Tubeless
Size:
AT21 x 7R-10
Manufacturer/model:
DUNLOP/KT351 Radial
Rear tire:
Type:
Tubeless
Size:
AT20 x 10R-9Manufacturer/model:
DUNLOP/KT356 Radial
Loading:
Maximum loading limit:
100.0 kg (220 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
27.5 kPa (0.275 kgf/cm
2

, 4.0 psi)
Rear:
30.0 kPa (0.300 kgf/cm
2

, 4.4 psi)
Minimum:
Front:
24.5 kPa (0.245 kgf/cm
2

, 3.6 psi)
Rear:
27.0 kPa (0.270 kgf/cm
2

, 4.0 psi)
Front wheel:
Wheel type:
Panel wheel
Rim size:
10 x 5.5AT
Rear wheel:
Wheel type:
Panel wheel
Rim size:
9 x 8.5AT
Front brake:
Type:
Dual disc brake

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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

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EBU26000
CONSUMER INFORMATION
EBU26011
Identification numbers
Record the key identification number, vehicle iden-
tification number and model label information in
the spaces provided below for assistance when or-
dering spare parts from a Yamaha dealer or for ref-
erence in case the ATV is stolen.

KEY IDENTIFICATION NUMBER:

VEHICLE IDENTIFICATION NUMBER:

MODEL LABEL INFORMATION:
EBU26020
Key identification number
The key identification number is stamped into the
key. Record this number in the space provided and
use it for reference when ordering a new key.
EBU26040
Vehicle identification number
The vehicle identification number is stamped into
the frame.
1. Key identification number

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1011

The year of manufacture is listed in the vehicle
identification number as shown in the illustration.
TIP

The vehicle identification number is used to identi-
fy your ATV.
EBU26050
Model label
The model label is affixed at the location in the il-
lustration. Record the information on this label in
the space provided. This information will be need-
ed when ordering spare parts from a Yamaha deal-
er.
1. Vehicle identification number
1

1. Vehicle identification number
2. Year of manufacture

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1. Model label
1

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

L
Label locations ................................................................2-1
Light switch .....................................................................4-3
M
Main switch .....................................................................4-1
Maintenance and lubrication chart ..................................8-4
Maintenance chart, emission control system ..................8-3
Model label....................................................................11-2
N
Neutral indicator light ......................................................4-2
O
Owner’s manual and tool kit............................................8-1
P
Panels, removing and installing ......................................8-8
Parking ............................................................................6-4
Parking brake free play, adjusting.................................8-34
Parking brake lever .........................................................4-7
Parking on a slope ..........................................................6-5
Part locations ..................................................................3-1
Pre-operation check list ..................................................5-1
R
Riding your ATV ..............................................................7-1
S
Safety information ...........................................................1-1
Seat...............................................................................4-10
Shifting ............................................................................6-2
Shift pedal .......................................................................4-8
Shift pedal, checking .....................................................8-41
Shock absorber assemblies, adjusting the front ...........4-11
Shock absorber assembly, adjusting the rear ...............4-16
Spark arrester, cleaning ................................................8-27Spark plug, checking.................................................... 8-13
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-5
Start switch .................................................................... 4-3
Storage .......................................................................... 9-2
Suspension, lubricating the upper and lower arm
pivots ......................................................................... 8-42
Swingarm pivots, lubricating ........................................ 8-42
T
Tail/brake light.............................................................. 8-49
Throttle cable free play, adjusting ................................ 8-28
Throttle lever ...........................................................4-4
,
5-5
Tire pressure, measuring ............................................... 5-6
Tires ............................................................................... 5-5
Tire wear limit................................................................. 5-7
Troubleshooting ........................................................... 8-50
Troubleshooting charts ................................................ 8-52
V
Valve clearance ........................................................... 8-29
Vehicle identification number ....................................... 11-1
W
Wheel hub bearings, checking ..................................... 8-42
Wheel, installing ........................................................... 8-49
Wheel, removing .......................................................... 8-49

PRINTED IN JAPAN
2008.09-0.9x2 !
(E)
YAMAHA MOTOR CO., LTD.
PRINTED ON RECYCLED PAPER