2001 YAMAHA TDR 125 engine

EAU00009
TABLE OF CONTENTS
GIVE SAFETY THE RIGHT OF WAY.................1-1
DESCRIPTION....................................................2-1
Left view...........................................................2-1
Right view.........................................................2-2
Controls and instruments..................................2-3
INSTRUMENT AND CONTROL FUNCTIONS....3-1
Main switch/steering lock..................................3-1
Indicator and warning lights..............................3-2
Speedometer unit.............................................3-3
Tachometer......................................................3-3
Coolant temperature gauge..............................3-4
Handlebar switches..........................................3-4
Clutch lever.......................................................3-6
Shift pedal.........................................................3-6
Brake lever.......................................................3-7
Brake pedal......................................................3-7
Fuel tank cap....................................................3-7
Fuel (except for Switzerland and Austria).........3-8
Fuel (for Switzerland and Austria)....................3-8
Catalytic converter
(for Switzerland and Austria)..........................3-9
2-stroke engine oil..........................................3-10
Fuel cock........................................................3-11
Starter (choke) lever ......................................3-12
Seat................................................................3-12Helmet holder.................................................3-13
Adjusting the shock absorber assembly.........3-13
YEIS handling precautions.............................3-14
YPVS..............................................................3-14
Sidestand........................................................3-15
Ignition circuit cut-off system..........................3-16
PRE-OPERATION CHECKS...............................4-1
Pre-operation check list....................................4-1
OPERATION AND IMPORTANT RIDING
POINTS...............................................................5-1
Starting a cold engine.......................................5-1
Starting a warm engine.....................................5-2
Shifting..............................................................5-3
Recommended shift points
(for Switzerland only)......................................5-3
Tips for reducing fuel consumption...................5-4
Engine break-in................................................5-4
Parking.............................................................5-5
PERIODIC MAINTENANCE AND MINOR
REPAIR...............................................................6-1
OwnerÕs tool kit.................................................6-1
Periodic maintenance and lubrication chart......6-2
Removing and installing cowlings and panel....6-5
Checking the spark plug...................................6-7
123
456
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Transmission oil................................................6-8
Coolant...........................................................6-10
Cleaning the air filter element.........................6-13
Adjusting the carburetor.................................6-15
Adjusting the engine idling speed...................6-16
Adjusting the throttle cable free play..............6-17
Tires................................................................6-17
Wheels............................................................6-20
Adjusting the clutch lever free play.................6-20
Adjusting the brake lever free play.................6-21
Adjusting the brake pedal position..................6-22
Adjusting the rear brake light switch...............6-22
Checking the front and rear brake pads.........6-23
Checking the brake fluid level.........................6-24
Changing the brake fluid.................................6-25
Drive chain slack............................................6-25
Lubricating the drive chain..............................6-26
Checking and lubricating the cables...............6-27
Checking and lubricating the throttle grip
and cable......................................................6-28
Adjusting the Autolube pump..........................6-28
Checking and lubricating the brake and shift
pedals...........................................................6-29
Checking and lubricating the brake and
clutch levers..................................................6-29
Checking and lubricating the sidestand..........6-29Lubricating the rear suspension.....................6-30
Checking the front fork...................................6-30
Checking the steering.....................................6-31
Checking the wheel bearings.........................6-32
Battery............................................................6-32
Replacing the fuse..........................................6-33
Replacing a headlight bulb.............................6-34
Replacing the tail/brake light bulb...................6-35
Replacing a turn signal light bulb....................6-36
Supporting the motorcycle..............................6-37
Front wheel.....................................................6-37
Rear wheel.....................................................6-39
Troubleshooting..............................................6-41
Troubleshooting charts...................................6-42
MOTORCYCLE CARE AND STORAGE.............7-1
Care..................................................................7-1
Storage.............................................................7-4
SPECIFICATIONS...............................................8-1
Conversion table...............................................8-5
CONSUMER INFORMATION.............................9-1
Identification numbers......................................9-1
Key identification number.................................9-1
Vehicle identification number............................9-1
Model label.......................................................9-2
TABLE OF CONTENTS
789
5AE-9-E4 (ENG) 8/30/00 5:04 PM Page 6

2-1
EAU00026
DESCRIPTION
12
3
4
5
6
7
8
9
1.Headlight (page 6-34)
2.Fuel cock (page 3-11)
3.2-stroke engine oil tank (page 3-10)
4.Helmet holder (page 3-13)
5.Starter (choke) lever (page 3-12)6.YEIS(page 3-14)
7.YPVS(page 3-15)
12
34
5
6 7
Left view
5AE-9-E4 (ENG) 8/30/00 5:04 PM Page 8

3-1
EAU00029
Main switch/steering lockThe main switch/steering lock con-
trols the ignition and lighting systems,
and is used to lock the steering. The
various positions are described
below.
EAU00036
ON
All electrical systems are supplied
with power, and the engine can be
started. The key cannot be removed.
EAU00038
OFF
All electrical systems are off. The key
can be removed.
EAU00042
LOCK
The steering is locked, and all electri-
cal systems are off. The key can be
removed.
To lock the steering1.Turn the handlebars all the way
to the left.
2.Push the key in from the ÒOFFÓ
position, release it, and then turn
it to ÒLOCKÓ.
3.Remove the key.
To unlock the steeringInsert the key and turn it to ÒOFFÓ.
EW000016
wNever turn the key to ÒOFFÓ or
ÒLOCKÓ while the motorcycle is
moving, otherwise the electrical
systems will be switched off,
which may result in loss of control
or an accident. Make sure that the
motorcycle is stopped before turn-
ing the key to ÒOFFÓ or ÒLOCKÓ.
EAU00048
. .
(Parking)
The steering is locked, and the tail-
light and auxiliary light are on, but all
other electrical systems are off. The
key can be removed.
The steering must be locked before
the key can be turned to ÒPÓ.
ECA00043
cCDo not use the parking position for
an extended length of time, other-
wise the battery may discharge.
EAU00027
INSTRUMENT AND CONTROL FUNCTIONS
1
23
4
5
6
7
8
9
OFFON
LOCKPPUSH
YM-8
IGNITION
ON
OFF
LOCK
PARKING
a
b
a.Push.
b.Turn.
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0
001
0001
00
140
180 120 100 80
1 23456
7
8
9
10
11
12
X1000r/min
km/h
CH
1
2
4
3
EAU03034
Indicator and warning lights
EAU03201
Oil level warning light Ò
7
Ó
This warning light comes on when
the engine oil level is low.
The electrical circuit of the warning
light can be checked according to the
following procedure.
1.Set the engine stop switch to Ò#Ó
and turn the key to ÒONÓ.
2.Shift the transmission into the
neutral position or pull the clutch
lever.3.Push the start switch. If the
warning light does not come on
while pushing the start switch,
have a Yamaha dealer check the
electrical circuit.
NOTE:
Even if the oil level is sufficient, the
warning light may flicker when riding
on a slope or during sudden acceler-
ation or deceleration, but this is not a
malfunction.
EAU00057
Turn signal indicator light Ò5Ó
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
EAU00061
Neutral indicator light ÒNÓ
This indicator light comes on when
the transmission is in the neutral
position.
EAU00063
High beam indicator light Ò&Ó
This indicator light comes on when
the high beam of the headlight is
switched on.
1.Turn signal indicator light Ò5Ó
2.High beam indicator light Ò&Ó
3.Oil level warning light Ò
7
Ó
4.Neutral indicator light ÒNÓ
3-2
INSTRUMENT AND CONTROL FUNCTIONS
1
23
4
5
6
7
8
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3-3
INSTRUMENT AND CONTROL FUNCTIONS
1
23
4
5
6
7
8
9
0
001
0001
000
140
180 120 100 80
60
40
20km/h
CH
3
2
4
1
EAU01087
Speedometer unit The speedometer unit is equipped
with a speedometer, an odometer
and a tripmeter. The speedometer
shows riding speed. The odometer
shows the total distance traveled.
The tripmeter shows the distance
traveled since it was last set to zero
with the reset knob. The tripmeter
can be used to estimate the distance
that can be traveled with a full tank of
fuel. This information will enable you
to plan future fuel stops.1.Speedometer
2.Odometer
3.Tripmeter
4.Reset knob
01 23456
7
8
9
10
11
12
~1000r/min
CH
1
2
NOTE:
Only for the German model equipped
with a speed limiter:
The speed limiter prevents the motor-
cycle from exceeding a riding speed
of 80 km/h.
1.Tachometer
2.Red zone
EAU00102
TachometerThe tachometer allows the rider to
monitor the engine speed and keep it
within the ideal power range.
EC000003
cCDo not operate the engine in the
tachometer red zone.
Red zone: 10,000 r/min and above
5AE-9-E4 (ENG) 8/30/00 5:04 PM Page 13

3-4
01140120
10
0
3456
CH1
2
1.Coolant temperature gauge
2.Red zone
EAU01652
Coolant temperature gaugeWith the key in the ÒONÓ position, the
coolant temperature gauge indicates
the temperature of the coolant. The
coolant temperature varies with
changes in the weather and engine
load. If the needle reaches or enters
the red zone, stop the motorcycle
and let the engine cool. (See page
6-43 for further instructions.)
EC000002
cCDo not operate the engine if it is
overheated.INSTRUMENT AND CONTROL FUNCTIONS
1
23
4
5
6
7
8
9
1
2
3
4
EAU00118
Handlebar switches
EAU00134
Light switch
Set this switch to Ò
'
Ó to turn on the
auxiliary light, meter lighting and tail-
light. Set the switch to Ò:Ó to turn on
the headlight also.
EAU00121
Dimmer switch
Set this switch to Ò&Ó for the high
beam and to Ò%Ó for the low beam.
EAU00127
Turn signal switch
To signal a right-hand turn, push this
switch to Ò6Ó. To signal a left-hand
turn, push this switch to Ò4Ó. When
released, the switch returns to the
center position. To cancel the turn
signal lights, push the switch in after
it has returned to the center position.
EAU00129
Horn switch Ò*Ó
Press this switch to sound the horn.
1.Light switch
2.Dimmer switch
3.Turn signal switch
4.Horn switch Ò*Ó
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EAU00152
Clutch leverThe clutch lever is located at the left
handlebar grip. To disengage the
clutch, pull the lever toward the han-
dlebar grip. To engage the clutch,
release the lever. The lever should
be pulled rapidly and released slowly
for smooth clutch operation.
The clutch lever is equipped with a
clutch switch, which is part of the igni-
tion circuit cut-off system. (See page
3-16 for an explanation of the ignition
circuit cut-off system.)
3-6
INSTRUMENT AND CONTROL FUNCTIONS
1
23
4
5
6
7
8
9
1
1.Clutch lever
6
5
4
3
2
1 N
1
EAU00157
Shift pedalThe shift pedal is located on the left
side of the engine and is used in
combination with the clutch lever
when shifting the gears of the
6-speed constant-mesh transmission
equipped on this motorcycle.1.Shift pedal
N.Neutral
21
EAU00138
Engine stop switch
Set this switch to Ò$Ó to stop the
engine in case of an emergency,
such as when the motorcycle over-
turns or when the throttle cable is
stuck.
EAU00143
Start switch Ò,Ó
Push this switch to crank the engine
with the starter.
EC000005
cCSee page 5-1 for starting instruc-
tions prior to starting the engine.1.Engine stop switch
2.Start switch Ò,Ó
5AE-9-E4 (ENG) 8/30/00 5:04 PM Page 16