2002 YAMAHA DT125R turn signal

PERIODIC MAINTENANCE AND
MINOR REPAIR ................................................ 6-1
Owner’s tool kit ............................................... 6-1
Periodic maintenance and lubrication chart ... 6-2
Removing and installing cowlings .................. 6-5
Removing and installing panels ...................... 6-7
Checking the spark plug ................................. 6-9
Transmission oil ........................................... 6-10
Coolant ......................................................... 6-12
Changing the coolant ................................... 6-14
Cleaning the air filter element........................ 6-16
Adjusting the carburetor ............................... 6-17
Adjusting the engine idling speed ................ 6-17
Adjusting the throttle cable free play ............ 6-18
Tires ............................................................. 6-19
Spoke wheels ............................................... 6-21
Adjusting the clutch lever free play ............... 6-22
Adjusting the brake lever free play ............... 6-23
Adjusting the brake pedal position ............... 6-23
Adjusting the rear brake light switch ............. 6-24
Checking the front and rear brake pads ....... 6-24
Checking the brake fluid level ...................... 6-25
Changing the brake fluid .............................. 6-26
Drive chain slack .......................................... 6-27
Lubricating the drive chain ........................... 6-28
Checking and lubricating the cables ............. 6-29Checking and lubricating the
throttle grip and cable ................................ 6-29
Adjusting the Autolube pump ....................... 6-30
Checking and lubricating the brake and
shift pedals ................................................ 6-30
Checking and lubricating the brake and
clutch levers .............................................. 6-30
Checking and lubricating the sidestand ....... 6-31
Checking the front fork ................................. 6-31
Checking the steering ................................... 6-32
Checking the wheel bearings ....................... 6-32
Battery .......................................................... 6-33
Replacing the fuse ....................................... 6-35
Replacing the headlight bulb ........................ 6-36
Replacing a turn signal light bulb ................. 6-37
Replacing the tail/brake light bulb ................ 6-38
Supporting the motorcycle ............................ 6-39
Front wheel ................................................... 6-39
Rear wheel ................................................... 6-42
Troubleshooting ............................................ 6-43
Troubleshooting charts ................................. 6-44
MOTORCYCLE CARE AND STORAGE ........... 7-1
Care ................................................................ 7-1
Storage ........................................................... 7-4
TABLE OF CONTENTS6
7
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3-1
EAU00027
INSTRUMENT AND CONTROL FUNCTIONS
3
EAU00028
Main switchThe main switch controls the ignition
and lighting systems. The various
main switch 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.
EAU00061
Neutral indicator light “N”
This indicator light comes on when
the transmission is in the neutral
position.
EAU04258
2-stroke engine oil level warning
light “
7
”
This warning light comes on when
the 2-stroke engine oil level is low.
The electrical circuit of the warning
light can be checked according to the
following procedure.
1. Turn the key to “ON”.
2. Shift the transmission into the
neutral position.
3. If the warning light does not
come on, have a Yamaha dealer
check the electrical circuit.
NOTE:
Even if the 2-stroke engine oil level is
sufficient, the warning light may flick-
er when riding on a slope or during
sudden acceleration or deceleration,
but this is not a malfunction.
ON
OFF
EAU03034
Indicator and warning lights
EAU00057
Turn signal indicator light “5”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
EAU00063
High beam indicator light “&”
This indicator light comes on when
the high beam of the headlight is
switched on.
1
2
3
4
1. Turn signal indicator light “5”
2. High beam indicator light “&”
3. Neutral indicator light “N”
4. 2-stroke engine oil level warning
light “
7
”
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3-3
INSTRUMENT AND CONTROL FUNCTIONS
3
EAU01652
Coolant temperature gaugeWith the key in the “ON” 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
6-45 for further instructions.)
EC000002
cCDo not operate the engine if it is
overheated.
EAU03889
Turn signal switch “4/6”
To signal a right-hand turn, push this
switch to “6”. To signal a left-hand
turn, push this switch to “4”. 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 “*”
Press this switch to sound the horn.
1
2
1. Coolant temperature gauge
2. Red zone
EAU00118
Handlebar switches
EAU03898
Light switch “9/
'
/:”
Set this switch to “'
” to turn on
the auxiliary light, meter lighting and
taillight. Set the switch to “:” to turn
on the headlight also. Set the switch
to “9” to turn off all the lights.
EAU03888
Dimmer switch “&/%”
Set this switch to “&” for the high
beam and to “%” for the low beam.
2
1
3
4
1. Light switch “9/
'
/:”
2. Dimmer switch “&/%”
3. Turn signal switch “4/6”
4. Horn switch “*”
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6-37
PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU03497
Replacing a turn signal light
bulb1. Remove the turn signal light lens
by removing the screw.
2. Remove the defective bulb by
pushing it in and turning it coun-
terclockwise.
3. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
4. Install the lens by installing the
screw.
1
2
3
1. Screw
2. Lens
3. Bulb
7. Install the headlight unit by
installing the bolts.
8. Install the cowling.
9. Have a Yamaha dealer adjust
the headlight beam if necessary.
EW000119
wHeadlight bulbs get very hot.
Therefore, keep flammable prod-
ucts away from a lit headlight bulb,
and do not touch the bulb until it
has cooled down.5. Place a new bulb into position,
and then secure it with the bulb
holder.
6. Install the bulb cover, and then
connect the coupler.
a
a. Do not touch this area.
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8-4
SPECIFICATIONS
8
Battery
Type GM3-3B
Voltage, capacity 12 V, 3 AH
Headlight typeConventional incandescent bulb
Bulb voltage, wattage ×quantity
Headlight 12 V, 45/40 W ×1
Tail/brake light 12 V, 5/21 W ×1
Front turn signal light 12 V, 21 W ×2
Rear turn signal light 12 V, 21 W ×2
Auxiliary light 12 V, 4 W ×1
12 V, 3.4 W ×1 (GB only)
Meter lighting 12 V, 3.4 W ×2
Neutral indicator light 12 V, 3.4 W ×1
High beam indicator light 12 V, 3.4 W ×1
Oil level indicator light 12 V, 3.4 W ×1
Turn indicator light 12 V, 3.4 W ×1
Fuse10 A
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