SPECIFICATIONS
8-2
2
3
4
5
6
7
89
Size:
2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/KNOBBY
Manufacturer/model:
IRC/KNOBBY
Rear tire:
Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/KNOBBY
Manufacturer/model:
IRC/KNOBBY
Tire air pressure (measured on cold
tires):
Front:
100 kPa (15 psi) (1.00 kgf/cm
2
)
Rear:
100 kPa (15 psi) (1.00 kgf/cm
2
)
Front wheel:
Wheel type:
Panel wheel
Rim size:
10x1.50
Rear wheel:
Wheel type:
Panel wheel
Rim size:
10x1.50
Front brake:
Type:
Drum brake
Operation:
Right hand operation
Rear brake:
Type:
Drum brake
Operation:
Left hand operation
Front suspension:
Type:
Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
60.0 mm (2.36 in)
Rear suspension:
Type:
Unit swing
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
50.0 mm (1.97 in)
Electrical system:
Ignition system:
CDI
9-1
1
2
3
4
5
6
7
8
9
CONSUMER INFORMATION
EAU40790
Identification numbers
Record the vehicle identification num-
ber and model label information in the
spaces provided below for assistance
when ordering spare parts from a
Yamaha dealer or for reference in case
the vehicle is stolen.
VEHICLE IDENTIFICATION
NUMBER:
MODEL LABEL INFORMATION:
EAU26400
Vehicle identification number
The vehicle identification number is
stamped into the steering head pipe.
Record this number in the space pro-
vided.
NOTE:
The vehicle identification number is
used to identify your motorcycle and
may be used to register your motorcy-
cle with the licensing authority in your
area.
EAU26480
Model label
The model label is affixed to the frame
under the seat. (See page 3-7.) Record
the information on this label in the
space provided. This information will be
needed when ordering spare parts from
a Yamaha dealer.
1. Vehicle identification number
1
1. Model label
1
INDEX
A
Acceleration and deceleration ...................5-2
Accessories and replacement parts ........6-13
Air filter element, cleaning .........................6-8
Autolube pump, adjusting ........................6-16
B
Brake lever, front .......................................3-2
Brake lever, rear ........................................3-3
Brake levers, lubricating ..........................6-16
Brake shoes, checking ............................6-15
Braking ......................................................5-2
C
Cables, checking and lubricating .............6-15
Carburetor, adjusting ...............................6-10
Care ...........................................................7-1
Centerstand, checking and lubricating ....6-17
E
Engine break-in .........................................5-3
Engine idling speed .................................6-10
Engine oil ...................................................3-5
Engine, starting a warm .............................5-1
Engine stop switch.....................................3-1
F
Front and rear brake lever free play,
adjusting ................................................6-14
Front fork, checking .................................6-17
Fuel ............................................................3-3
Fuel cock ...................................................3-5
Fuel tank breather hose.............................3-5
Fuel tank cap .............................................3-3
H
Handlebar switch .......................................3-1
I
Identification numbers ...............................9-1
K
Kickstarter ................................................. 3-6
L
Labels, location of ..................................... 1-4
M
Maintenance and lubrication, periodic ....... 6-3
Maintenance, emission control system ..... 6-2
Middle and final gear cases....................... 6-8
Model label ................................................ 9-1
P
Parking ...................................................... 5-4
Part locations............................................. 2-1
Power reduction plate, removing ............... 6-6
Pre-operation check list ............................. 4-2
S
Safety information ..................................... 1-1
Seat ........................................................... 3-7
Spark arrester, cleaning ............................ 6-9
Spark plug, checking ................................. 6-5
Specifications ............................................ 8-1
Speed limiter and power reduction plate ... 3-1
Starter (choke) lever .................................. 3-6
Starting and warming up a cold engine ..... 5-1
Starting off ................................................. 5-2
Steering, checking ................................... 6-18
Storage ...................................................... 7-3
T
Throttle cable free play, checking............ 6-11
Throttle grip and cable, checking and
lubricating .............................................. 6-16
Tires ........................................................ 6-11
Tool kit ....................................................... 6-1
Transmission oil ........................................ 6-7
Troubleshooting....................................... 6-23Troubleshooting chart ............................. 6-24
V
Vehicle identification number .................... 9-1
W
Wheel bearings, checking ....................... 6-18
Wheel (front) ........................................... 6-19
Wheel (rear) ............................................ 6-20
Wheels .................................................... 6-13