Page 89 of 96

SPECIFICATIONS
8-2
2
3
4
5
6
7
89
Secondary reduction system:
Helical gear
Secondary reduction ratio:
42/16 (2.625)
Transmission type:
V-belt automatic
Operation:
Centrifugal automatic type
Chassis:
Frame type:
Aluminum die-cast and steel tube back-
bone
Caster angle:
27.00 °
Trail:
100.0 mm (3.94 in)
Front tire:
Type:
Tubeless
Size:
120/80-14M/C 58S
Manufacturer/model:
IRC/MB67
Manufacturer/model:
DUNLOP/D305FL
Rear tire:
Type:
Tubeless
Size:
150/70-13M/C 64S
Manufacturer/model:
IRC/MB67
Manufacturer/model:
DUNLOP/D305L
Loading:
Maximum load:
YP400 189 kg (417 lb)
YP400A 185 kg (408 lb)
* (Total weight of rider, passenger, cargo
and accessories)
Tire air pressure (measured on cold
tires):
Loading condition:
0–90 kg (0–198 lb)
Front:
200 kPa (29 psi) (2.00 kgf/cm
2
)
Rear:
250 kPa (36 psi) (2.50 kgf/cm
2
)
Loading condition:
YP400 90–189 kg (198–417 lb)
YP400A 90–185 kg (198–408 lb)
Front:
200 kPa (29 psi) (2.00 kgf/cm
2
)
Rear:
250 kPa (36 psi) (2.50 kgf/cm
2
)
Front wheel:
Wheel type:
Cast wheel
Rim size:
14 x MT3.00
Rear wheel:
Wheel type:
Cast wheel
Rim size:
13 x MT4.00
Front brake:
Type:
Dual disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4
Rear brake:
Type:
Single disc brake
Operation:
Left hand operation
Recommended fluid:
DOT 4
Front suspension:
Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
120.0 mm (4.72 in)
Rear suspension:
Type:
Unit swing
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
104.0 mm (4.09 in)
Electrical system:
Ignition system:
Transistorized coil ignition (digital)
Charging system:
AC magneto
Page 90 of 96
SPECIFICATIONS
8-3
1
2
3
4
5
6
7
8
9Battery:
Model:
GT9B-4
Voltage, capacity:
12 V, 8.0 Ah
Headlight:
Bulb type:
Halogen bulb
Bulb voltage, wattage
×
quantity:
Headlight:
12 V, 60 W/55.0 W
×
2
Tail/brake light:
LED
Front turn signal light:
12 V, 21.0 W
×
2
Rear turn signal light:
12 V, 21.0 W
×
2
Auxiliary light:
12 V, 5.0 W
×
2
License plate light:
12 V, 5.0 W
×
1
Meter lighting:
12 V, 2.0 W
×
3
High beam indicator light:
12 V, 1.4 W
×
1
Turn signal indicator light:
12 V, 1.4 W
×
2
Engine trouble warning light:
12 V, 1.4 W
×
1
ABS warning light:
YP400A 12 V, 1.4 W
×
1
Immobilizer system indicator light:
LED
Fuses:
Main fuse:
40.0 A
Headlight fuse:
25.0 A
Signaling system fuse:
10.0 A
Ignition fuse:
10.0 A
Radiator fan fuse:
10.0 A
Hazard fuse:
10.0 A
Fuel injection system fuse:
10.0 A
ABS control unit fuse:
YP400A 10.0 A
ABS motor fuse:
YP400A 30.0 A
Backup fuse:
10.0 A
Page 91 of 96
9-1
2
3
4
5
6
7
8
9
CONSUMER INFORMATION
EAU26351
Identification numbers
Record the key identification number,
vehicle identification number and mod-
el label information in the spaces pro-
vided below for assistance when
ordering spare parts from a Yamaha
dealer or for reference in case the vehi-
cle is stolen.
KEY IDENTIFICATION NUMBER:
VEHICLE IDENTIFICATION
NUMBER:
MODEL LABEL INFORMATION:
EAU26381
Key identification number
The key identification number is
stamped into the key tag. Record this
number in the space provided and use
it for reference when ordering a new
key.
EAU26410
Vehicle identification number
The vehicle identification number is
stamped into the frame.
NOTE:
The vehicle identification number is
used to identify your vehicle and may
be used to register it with the licensing
authority in your area.
1. Key identification number
2. Code re-registering key (red bow)
3. Standard keys (black bow)
1. Vehicle identification number
1
Page 92 of 96
CONSUMER INFORMATION
9-2
1
2
3
4
5
6
7
8
9
EAU26500
Model label
The model label is affixed to the inside
of the rear storage compartment. (See
page 3-16.) Record the information on
this label in the space provided. This in-
formation will be needed when ordering
spare parts from a Yamaha dealer.
1. Model label
1
Page 93 of 96

INDEX
A
ABS (for ABS models) .............................3-12
ABS warning light (for ABS models) ..........3-3
Acceleration and deceleration ...................5-2
Air filter elements and check hoses and
V-belt case air filter element ..................6-18
Anti-theft alarm (optional) ..........................3-9
Auxiliary light bulb, replacing ...................6-37
B
Battery .....................................................6-30
Brake fluid, changing ...............................6-27
Brake fluid level, checking .......................6-26
Brake lever, front .....................................3-10
Brake lever, rear ......................................3-11
Brake levers, lubricating ..........................6-28
Braking ......................................................5-2
C
Cables, checking and lubricating .............6-27
Care ...........................................................7-1
Catalytic converter ...................................3-14
Caution, matte color ..................................7-1
Centerstand and sidestand, checking and
lubricating ..............................................6-28
Coolant ....................................................6-16
Cowlings and panels, removing and
installing ..................................................6-6
D
Dimmer switch ...........................................3-9
E
Engine break-in .........................................5-4
Engine oil and oil filter element ................6-12
Engine stop switch...................................3-10
Engine trouble warning light ......................3-3
F
Final transmission oil ............................... 6-15
Front and rear brake lever free play ........ 6-24
Front and rear brake pads, checking....... 6-25
Front fork, checking ................................. 6-29
Fuel ......................................................... 3-13
Fuel consumption, tips for reducing .......... 5-3
Fuel tank cap ........................................... 3-12
Fuses, replacing ...................................... 6-32
H
Handlebar switches ................................... 3-9
Hazard switch .......................................... 3-10
Headlight bulb, replacing ......................... 6-34
High beam indicator light ........................... 3-3
Horn switch.............................................. 3-10
I
Identification numbers ............................... 9-1
Ignition circuit cut-off system ................... 3-19
Immobilizer system.................................... 3-1
Immobilizer system indicator light ............. 3-4
Indicator and warning lights....................... 3-3
K
Key identification number .......................... 9-1
L
License plate light bulb, replacing ........... 6-36
M
Main switch/steering lock .......................... 3-2
Model label ................................................ 9-2
Multi-function display ................................. 3-5
P
Parking ...................................................... 5-4
Part locations............................................. 2-1
Pass switch ............................................... 3-9Periodic maintenance and lubrication
chart ........................................................ 6-3
Pre-operation check list............................. 4-2
R
Rear brake lock lever .............................. 3-11
Rear brake lock lever cable, adjusting .... 6-24
Rider seat, adjusting ............................... 3-16
S
Safe-riding points ...................................... 1-4
Safety information ..................................... 1-1
Seats ....................................................... 3-14
Shock absorber assemblies, adjusting.... 3-18
Sidestand ................................................ 3-19
Spark plug, checking ............................... 6-10
Specifications ............................................ 8-1
Speedometer............................................. 3-4
Starting off ................................................. 5-2
Starting the engine .................................... 5-1
Start switch.............................................. 3-10
Steering, checking................................... 6-29
Storage...................................................... 7-3
Storage compartments ............................ 3-16
T
Tachometer ............................................... 3-5
Tail/brake light ......................................... 6-34
Throttle cable free play, checking ........... 6-20
Throttle grip and cable, checking and
lubricating ............................................. 6-27
Tires ........................................................ 6-21
Tool kit....................................................... 6-1
Troubleshooting ...................................... 6-38
Troubleshooting charts............................ 6-39
Turn signal indicator lights ........................ 3-3
Turn signal light bulb (front), replacing .... 6-35
Page 94 of 96
INDEX
Turn signal light bulb (rear), replacing .... 6-36
Turn signal switch ..................................... 3-9
V
Valve clearance ...................................... 6-21
Vehicle identification number .................... 9-1
W
Wheel bearings, checking ....................... 6-30
Wheels .................................................... 6-23
Page 95 of 96
Page 96 of 96
PRINTED ON RECYCLED PAPER
YAMAHA MOTOR CO., LTD.
PRINTED IN JAPAN
2006.9–0.2×1 !
(E)
PRINTED ON RECYCLED PAPER
YAMAHA MOTOR CO., LTD.
PRINTED IN JAPAN
2006.9–0.2×1 !
(E)