SPECIFICATIONS
8-2
2
3
4
5
6
7
89
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:
14M/C x MT3.00
Rear wheel:
Wheel type:
Cast wheel
Rim size:
13M/C 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
INDEX
A
ABS (for ABS models) .............................3-12
ABS warning light (for ABS models) ..........3-4
Acceleration and deceleration ...................5-2
Air filter elements and check hoses and
V-belt case air filter element ..................6-19
Anti-theft alarm (optional) ..........................3-9
Auxiliary light bulb, replacing ...................6-38
B
Battery .....................................................6-32
Brake fluid, changing ...............................6-28
Brake fluid level, checking .......................6-27
Brake lever, front .....................................3-11
Brake lever, rear ......................................3-11
Brake levers, lubricating ..........................6-29
Braking ......................................................5-2
C
Cables, checking and lubricating .............6-28
Care ...........................................................7-1
Catalytic converters .................................3-14
Centerstand and sidestand, checking and
lubricating ..............................................6-29
Coolant ....................................................6-17
Cowlings and panels, removing and
installing ..................................................6-7
D
Dimmer switch .........................................3-10
E
Engine break-in .........................................5-4
Engine oil and oil filter element ................6-13
Engine stop switch...................................3-10
Engine trouble warning light ......................3-4
F
Final transmission oil ...............................6-16Front and rear brake lever free play ........ 6-25
Front and rear brake pads, checking....... 6-26
Front fork, checking ................................. 6-30
Fuel ......................................................... 3-14
Fuel consumption, tips for reducing .......... 5-3
Fuel tank cap ........................................... 3-13
Fuses, replacing ...................................... 6-33
H
Handlebar switches ................................... 3-9
Hazard switch .......................................... 3-10
Headlight bulb, replacing ......................... 6-35
High beam indicator light ........................... 3-3
Horn switch.............................................. 3-10
I
Identification numbers ............................... 9-1
Ignition circuit cut-off system ................... 3-20
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 ........... 6-38
M
Main switch/steering lock .......................... 3-2
Matte color, caution ................................... 7-1
Model label ................................................ 9-2
Multi-function display ................................. 3-5
P
Parking ...................................................... 5-4
Part locations............................................. 2-1
Pass switch ............................................. 3-10
Periodic maintenance and lubrication
chart ........................................................ 6-3Pre-operation check list............................. 4-2
R
Rear brake lock lever .............................. 3-11
Rear brake lock lever cable, adjusting .... 6-26
Rider seat, adjusting ............................... 3-16
S
Safe-riding points ...................................... 1-4
Safety information ..................................... 1-1
Seats ....................................................... 3-15
Shock absorber assemblies, adjusting.... 3-18
Sidestand ................................................ 3-19
Spark plug, checking ............................... 6-11
Specifications ............................................ 8-1
Speedometer............................................. 3-5
Starting off ................................................. 5-2
Starting the engine .................................... 5-1
Start switch.............................................. 3-10
Steering, checking................................... 6-31
Storage...................................................... 7-3
Storage compartments ............................ 3-17
T
Tachometer ............................................... 3-5
Tail/brake light ......................................... 6-36
Throttle cable free play, checking ........... 6-22
Throttle grip and cable, checking and
lubricating ............................................. 6-29
Tires ........................................................ 6-22
Tool kit....................................................... 6-1
Troubleshooting ...................................... 6-39
Troubleshooting charts............................ 6-40
Turn signal indicator lights ........................ 3-3
Turn signal light bulb (front), replacing .... 6-36
Turn signal light bulb (rear), replacing..... 6-37
Turn signal switch ................................... 3-10
