fuel YAMAHA TW125 2000 Owners Manual

EAU00009
TABLE OF CONTENTS
1
2
3
4
5
6
7
8
9
1
5
GIVE SAFETY THE RIGHT OF WAY ..................1-1
DESCRIPTION .....................................................2-1
Left view............................................................2-1
Right view .........................................................2-2
Controls/Instruments .......................................2-3
INSTRUMENT AND CONTROL
FUNCTIONS ........................................................3-1
Main switch ......................................................3-1
Indicator lights..................................................3-1
Speedometer ....................................................3-2
Handlebar switches..........................................3-2
Clutch lever .......................................................3-4
Shift pedal.........................................................3-4
Front brake lever ..............................................3-4
Rear brake pedal ..............................................3-5
Fuel tank cap.....................................................3-5
Fuel ....................................................................3-6
Fuel cock ...........................................................3-7
Starter (choke) “1” .........................................3-8
Steering lock .....................................................3-8
Seat ...................................................................3-9
Helmet holder ...................................................3-9
Rear shock absorber ......................................3-10
Rear carrier .....................................................3-10
Luggage strap holders ...................................3-10Sidestand ........................................................3-11
Sidestand/clutch switch operation check .....3-12
PRE-OPERATION CHECKS.................................4-1
Pre-operation check list ...................................4-1
OPERATION AND IMPORTANT RIDING
POINTS................................................................5-1
Starting the engine ..........................................5-1
Starting a warm engine ...................................5-4
Shifting..............................................................5-4
Tips for reducing fuel consumption ...............5-5
Engine break-in ................................................5-5
Parking ..............................................................5-6
PERIODIC MAINTENANCE AND MINOR
REPAIR ................................................................6-1
Tool kit ..............................................................6-1
Periodic maintenance and lubrication............6-3
Cowling and panel removal and
installation ........................................................6-6
Panel A ..............................................................6-6
Panel B ..............................................................6-7
Cowling C..........................................................6-8
Spark plug.........................................................6-8
Engine oil ..........................................................6-9
Air filter ...........................................................6-121
2
3
4
6
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 5

2-1
EAU00026
DESCRIPTION
1
2
3
4
5
6
7
8
9
1. Fuel tank (page 3-5)
2. Fuel cock (page 3-7)
3. Helmet holder (page 3-9)
4. Luggage straps (page 3-10)5. Shift pedal (page 3-4)
6. Air filter (page 6-12)
7. Chain adjusting plates (page 6-24)
12 3 4
5
67Left view
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 8

2-3
DESCRIPTION
1
2
3
4
5
6
7
8
9
14. Clutch lever (page 3-4, 6-19)
15. Left handlebar switches (page 3-2)
16. Speedometer (page 3-2)
17. Starter (choke) (page 3-8)
18. Main switch (page 3-1)19. Indicator lights panel (page 3-1)
20. Right handlebar switches (page 3-3)
21. Front brake lever (page 3-4, 6-19)
22. Throttle grip (page 6-15, 6-26)
23. Fuel tank cap (page 3-5)
14 15 16 17 18 19 20 21
22
23
Controls/Instruments
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 10

3-2
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU01087Speedometer
The speedometer shows riding
speed. This speedometer is
equipped with an odometer and
trip odometer. The trip odometer
can be reset to “0” with the reset
knob. Use the trip odometer to
estimate how far you can ride on a
tank of fuel. This information will
enable you to plan fuel stops in the
future.
1. Reset knob
2. Speedometer
3. Odometer
4. Trip odometer
EAU00118Handlebar switchesEAU00121Dimmer switch
Turn the switch to “&” for the
high beam and to “%” for the low
beam.
1. Lights switch
2. Dimmer switch
3. Turn signal switch
4. Horn switch “*”
NOTE:
(for German model equipped with
speed limiter only)
This motorcycle is equipped with a
speed limiter which prevents it
from exceeding a top speed of 80
km/h.
1
2
3
4
4
1
2
3
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 12

3-5
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU00162Rear brake pedal
The rear brake pedal is on the right
side of the motorcycle. Press down
on the brake pedal to apply the
rear brake.
1. Rear brake pedal
EAU01498Fuel tank cap
To open
Insert the key and turn it 1/4 turn
counterclockwise. Open the cap by
turning it counterclockwise.
To close
Turn the cap clockwise with the
key inserted. To remove the key,
turn it clockwise to the original
position.
1. Fuel tank cap
NOTE:
This tank cap cannot be closed
unless the key is in the lock. The
key cannot be removed if the cap is
not locked properly.
EW000023
w
Be sure the cap is properly
installed and locked in place
before riding the motorcycle.
11
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 15

3-6
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
1
2
EAU01183
Fuel
Make sure there is sufficient fuel in
the tank. Fill the fuel tank to the
bottom of the filler tube as shown
in the illustration.
EW000130
w
Do not overfill the fuel tank. Avoid
spilling fuel on the hot engine. Do
not fill the fuel tank above the bot-
tom of the filler tube or it may
overflow when the fuel heats up
later and expands.
1. Filler tube
2. Fuel level
EAU00185
cC
Always wipe off spilled fuel imme-
diately with a dry and clean soft
cloth. Fuel may deteriorate painted
surfaces or plastic parts.
EAU00191
NOTE:
If knocking or pinging occurs, use a
different brand of gasoline or high-
er octane grade.
Recommended fuel:
Regular unleaded gasoline
with a research octane
number of 91 or higher.
Fuel tank capacity:
Total:
7.0 L
Reserve:
1.0 L
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 16

3-7
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU01121Fuel cock
The fuel cock supplies fuel from
the tank to the carburetor while fil-
tering it also.
The fuel cock has three positions:
OFF
With the lever in this position, fuel
will not flow. Always return the
lever to this position when the
engine is not running.
1. Arrow mark positioned over “OFF”
ON
With the lever in this position, fuel
flows to the carburetor. Normal
riding is done with the lever in this
position.
1. Arrow mark positioned over “ON”
RES
This indicates reserve. If you run
out of fuel while riding, move the
lever to this position. Fill the tank
at the first opportunity. Be sure to
set the fuel cock back to “ON” after
refueling!
1. Arrow mark positioned over “RES”
RES
ONFUEL
OFF
1
Off position
OFF
ONFUEL RES
1
RES
Reserve position
ONFUEL
RES
OFF
1ON
Normal position
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 17

3-8
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU02976Starter (choke) “1”
Starting a cold engine requires a
richer air-fuel mixture. A separate
starter circuit supplies this mixture.
Move in direction ato turn on the
starter (choke).
Move in direction bto turn off the
starter (choke).
1. Starter (choke) “1”
EAU02934Steering lock
To lock the steering
Turn the handlebars all the way to
the right and open the steering
lock cover.
Insert the key and turn it 1/8 turn
counterclockwise. Then, push the
key in while turning the handlebars
slightly to the left and turn the key
1/8 turn clockwise.
Check that the steering is locked,
remove the key and close the lock
cover.
1. Steering lock
2. Cover
To unlock the steering
Insert the key, push it in and turn it
1/8 turn counterclockwise so that it
moves out. Then, release and
remove the key.
a
b
1
12
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 18

4-2
PRE-OPERATION CHECKS
1
2
3
4
5
6
7
8
9
NOTE:
Pre-operation checks should be made each time the motorcycle is used. Such an inspection can be accom-
plished in a very short time; and the added safety it assures is more than worth the time involved.
w
If any item in the PRE-OPERATION CHECKS is not working properly, have it inspected and repaired before oper-
ating the motorcycle.
ITEM CHECKS PAGE
Fuel tank9Check fuel level.
3-5 ~ 3-7
9Fill with fuel if necessary.
Lights, signals and
9Check for proper operation. 6-32 ~ 6-34
switches
Battery9Check fluid level.
6-30 ~ 6-31
9Fill with distilled water if necessary.
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 24

5-3
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
4
5
6
7
8
9 1. Turn the fuel cock to “ON”.
2. Turn the main switch to “ON”
and the engine stop switch to
“#”.
3. Shift the transmission into
neutral.
NOTE:
When the transmission is in neu-
tral, the neutral indicator light
should be on. If the light does not
come on, ask a Yamaha dealer to
inspect it.
4. Turn on the starter (choke) and
completely close the throttle
grip.5. Start the engine by pushing
the start switch.
NOTE:
If the engine fails to start, release
the start switch, wait a few sec-
onds, then try again. Each attempt
should be as short as possible to
preserve the battery. Do not crank
the engine more than 10 seconds
on any one attempt.
6. After starting the engine, move
the starter (choke) to the
halfway position.
NOTE:
For maximum engine life, never
accelerate hard with a cold engine!
7. After warming up the engine,
turn off the starter (choke)
completely.
NOTE:
The engine is warm when it
responds normally to the throttle
with the starter (choke) turned off.
ONFUEL
RES
OFF
ON
5EK-9-E1 (TW125)<3.1> 4/6/0 11:50 PM Page 27