YAMAHA TW125 2000 Owner's Manual

Page 21 of 86

3-9
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU01092Seat
To remove the seat, remove the
bolts.
1. Bolt (´2)
To install the seat, insert the pro-
jection on the front of the seat into
the holder and push down on the
seat, then tighten the bolts.
NOTE:
Make sure that the seat is securely
fitted.
1. Projection
2. Seat holder
EAU00260Helmet holder
To open the helmet holder, insert
the key in the lock and turn it as
shown. To lock the helmet holder,
replace the holder in its original
position.
EW000030
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Never ride with a helmet in the
helmet holder. The helmet may hit
objects, causing loss of control
and possibly an accident.
1. Helmet holder
1
1
1
2
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3-10
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU01343Rear shock absorberEAU00315
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This shock absorber contains high-
ly pressurized nitrogen gas. Read
and understand the following
information before handling the
shock absorber. The manufacturer
cannot be held responsible for
property damage or personal
injury that may result from
improper handling.
8Do not tamper with or
attempt to open the cylinder
assembly.
8Do not subject the shock
absorber to an open flame or
other high heat source. This
may cause the unit to explode
due to excessive gas pressure.
8Do not deform or damage the
cylinder in any way. Cylinder
damage will result in poor
damping performance.
8Take your shock absorber to a
Yamaha dealer for any service.
EAU00320Rear carrierEW000032
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Do not exceed the load limit of
3 kg.
1. Rear carrier
EAU01493Luggage strap holders
There are four luggage strap hold-
ers below the rear carrier.
1. Luggage strap (´4)
11
1
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Page 23 of 86

3-11
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU00330Sidestand
This model is equipped with an
ignition circuit cut-off system. The
motorcycle must not be ridden
when the sidestand is down. The
sidestand is located on the left side
of the frame. (Refer to page 5-1 for
an explanation of this system.)
EW000044
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This motorcycle must not be oper-
ated with the sidestand in the
down position. If the stand is not
properly retracted, it could contact
the ground and distract the opera-
tor, resulting in a possible loss of
control. Yamaha has designed into
this motorcycle a lockout system
to assist the operator in fulfilling
the responsibility of retracting the
sidestand. Please check carefully
the operating instructions listed
below and if there is any indication
of a malfunction, return the motor-
cycle to a Yamaha dealer immedi-
ately for repair.
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Page 24 of 86

3-12
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
EAU00331Sidestand/clutch switch
operation check
Check the operation of the side-
stand switch and clutch switch
against the information below.
EW000045
w
If improper operation is noted,
consult a Yamaha dealer immedi-
ately.
SIDESTAND IS DOWN.
ENGINE WILL STALL.
SIDESTAND SWITCH IS OK.
TURN THE MAIN SWITCH TO “ON”
AND THE ENGINE STOP SWITCH TO
“#”.
TRANSMISSION IS IN GEAR AND
SIDESTAND IS UP.
PULL IN CLUTCH LEVER AND
PUSH THE START SWITCH.
ENGINE WILL START.
CLUTCH SWITCH IS OK.
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Page 25 of 86

4-1
EAU01114
PRE-OPERATION CHECKS
1
2
3
4
5
6
7
8
9 Owners are personally responsible for their vehicle’s condition. Your motorcycle’s vital functions can start to
deteriorate quickly and unexpectedly, even if it remains unused (for instance, if it is exposed to the elements).
Any damage, fluid leak or loss of tire pressure could have serious consequences. Therefore, it is very important
that, in addition to a thorough visual inspection, you check the following points before each ride.
EAU00340PRE-OPERATION CHECK LIST
ITEM CHECKS PAGE
Front
brake9Check operation, free play, fluid level and vehicle for fluid leakage.
3-4, 6-19 ~ 6-20, 6-22 ~ 6-23
9Fill with DOT 4 (or DOT 3) brake fluid if necessary.
Rear brake9Check operation, condition and free play.
3-5, 6-20 ~ 6-22
9Adjust if necessary.
Clutch9Check operation, condition and free play.
3-4, 6-19
9Adjust if necessary.
Throttle grip and housing9Check for smooth operation.
6-15, 6-26
9Lubricate if necessary.
Engine oil9Check oil level.
6-9 ~ 6-12
9Fill with oil if necessary.
Drive chain9Check chain slack and condition.
6-24 ~ 6-25
9Adjust if necessary.
Wheels and tires9Check tire pressure, wear, damage and spoke tightness.
6-16 ~ 6-18
9Tighten spokes if necessary.
Brake and shift pedal shafts9Check for smooth operation.
6-27
9Lubricate if necessary.
Brake and clutch lever pivots9Check for smooth operation.
6-27
9Lubricate if necessary.
Sidestand pivot9Check for smooth operation.
6-27
9Lubricate if necessary.
Chassis fasteners9Make sure that all nuts, bolts and screws are properly tightened.

9Tighten if necessary.
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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.
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Page 27 of 86

5-1
EAU00372
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
4
5
6
7
8
9
EAU00373
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8Before riding this motorcycle,
become thoroughly familiar
with all operating controls and
their functions. Consult a
Yamaha dealer regarding any
control or function that you do
not thoroughly understand.
8Never start your engine or let
it run for any length of time in
a closed area. The exhaust
fumes are poisonous and can
cause loss of consciousness
and death within a short time.
Always operate your motorcy-
cle in an area with adequate
ventilation.
8Before starting out, always be
sure the sidestand is up.
Failure to retract the sidestand
completely can result in a seri-
ous accident when you try to
turn a corner.
EAU03011Starting the engine
NOTE:
This motorcycle is equipped with
an ignition circuit cut-off system.
The engine can be started only
under one of the following condi-
tions:
8The transmission is in neutral.
8The sidestand is up, the trans-
mission is in gear and the
clutch is disengaged.
The motorcycle must not be ridden
when the sidestand is down.
EW000054
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Before going through the follow-
ing steps, check the function of the
sidestand switch and clutch
switch. (Refer to page 3-12.)
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Page 28 of 86

5-2
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
4
5
6
7
8
9
IF THE TRANSMISSION IS IN NEUTRAL AND
THE SIDESTAND IS DOWN, PUSH START
SWITCH.
THE ENGINE WILL START.
RETRACT THE SIDESTAND AND PUT THE
TRANSMISSION IN GEAR.
THE MOTORCYCLE CAN BE RIDDEN.THE MOTORCYCLE CAN BE RIDDEN.
IF THE TRANSMISSION IS IN GEAR AND THE
SIDESTAND IS UP, PULL IN THE CLUTCH
LEVER AND PUSH THE START SWITCH.
TURN THE MAIN SWITCH TO “ON” AND
THE ENGINE STOP SWITCH TO “#”.
THE ENGINE WILL START.
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Page 29 of 86

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
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Page 30 of 86

5-4
OPERATION AND IMPORTANT RIDING POINTS
1
2
3
4
5
6
7
8
9
EAU01258Starting a warm engine
The starter (choke) is not required
when the engine is warm.
EC000046
cC
See the “Engine break-in” section
prior to operating the motorcycle
for the first time.
EC000048
cC
8Do not coast for long periods
with the engine off, and do
not tow the motorcycle a long
distance. Even with gears in
neutral, the transmission is
only properly lubricated when
the engine is running.
Inadequate lubrication may
damage the transmission.
8Always use the clutch when
changing gears. The engine,
transmission, and driveline are
not designed to withstand the
shock of forced shifting and
can be damaged by shifting
without using the clutch.
1
N5
4
3
2
1
EAU00423Shifting
The transmission lets you control
the amount of power you have
available at a given speed for start-
ing, accelerating, climbing hills,
etc. The use of the shift pedal is
shown in the illustration.
To shift into neutral, depress the
shift pedal repeatedly until it reach-
es the end of its travel, then raise
the pedal slightly.
1. Shift pedal
N. Neutral
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