warning YAMAHA SR125 2000 Owners Manual

EAU00005
IMPORTANT MANUAL INFORMATIONParticularly important information is distinguished in this manual by the following notations:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
WARNING
Failure to follow WARNING instructions could result in severe injury or death
to the
motorcycle operator, a bystander or a person inspecting or repairing the motorcycle.
CAUTION:A CAUTION indicates special precautions that must be taken to avoid damage to the
motorcycle.NOTE:
A NOTE provides key information to make procedures easier or clearer.
NOTE:@ l
This manual should be considered a permanent part of this motorcycle and should remain
with it even if the motorcycle is subsequently sold.
l
Yamaha continually seeks advancements in product design and quality. Therefore, while
this manual contains the most current product information available at the time of printing,
there may be minor discrepancies between your motorcycle and this manual. If there is any
question concerning this manual, please consult your Yamaha dealer.
@
E_3mw.book Page 1 Monday, February 5, 2001 9:54 AM

IMPORTANT MANUAL INFORMATION
EW000002
WARNING
@ PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING
THIS MOTORCYCLE. @
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3-1
3
EAU00027
3-INSTRUMENT AND CONTROL FUNCTIONS
EAU00029*
Main switch/steering lockThe main switch controls the ignition
and lighting systems. Its operation is
described below.
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ON
Electrical circuits are switched on. The
engine can be started. The key cannot
be removed in this position.
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OFF
All electrical circuits are switched off.
The key can be removed in this posi-
tion.
EAU00040
LOCK
The steering is locked in this position
and all electrical circuits are switched
off. The key can be removed in this po-
sition.
To lock the steering, turn the handle-
bars all the way to the left. While push-
ing the key into the main switch, turn it
from “OFF” to “LOCK” and remove it.
To release the lock, turn the key to
“OFF” while pushing.
EW000016
WARNING
@ Never turn the key to “OFF” or
“LOCK” when the motorcycle is
moving. The electrical circuits will
be switched off which may result in
loss of control or an accident. Be
sure the motorcycle is stopped be-
fore turning the key to “OFF” or
“LOCK”. @1. Push
2. Turn
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INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
EAU00162
Rear brake pedalThe rear brake pedal is on the right
side of the motorcycle. Press down on
the brake pedal to apply the rear brake.
EAU00167
Fuel tank capTo open
Insert the key and turn it 1/4 turn clock-
wise. The lock will be released and the
cap can be opened.
To close
Push the tank cap into position with the
key inserted. To remove the key, turn it
counterclockwise to the original posi-
tion.
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
WARNING
@ Be sure the cap is properly installed
and locked in place before riding the
motorcycle. @
1. Rear brake pedal
1. Open
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INSTRUMENT AND CONTROL FUNCTIONS
3-6
3
EAU01183
FuelMake sure there is sufficient fuel in the
tank. Fill the fuel tank to the bottom of
the filler tube as shown in the illustra-
tion.
EW000130
WARNING
@ 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 over-
flow when the fuel heats up later and
expands. @
EAU00185
CAUTION:@ Always wipe off spilled fuel immedi-
ately with a dry and clean soft cloth.
Fuel may deteriorate painted surfac-
es or plastic parts. @
EAU00191
NOTE:@ If knocking or pinging occurs, use a dif-
ferent brand of gasoline or higher oc-
tane grade. @
EAU03050
Fuel cockThe fuel cock supplies fuel from the
tank to the carburetor while filtering 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 run-
ning.
1. Filler tube
2. Fuel level
Recommended fuel:
Regular unleaded gasoline with a
research octane number of 91 or
higher.
Fuel tank capacity:
Total:
10.0 L
Reserve:
1.6 L
1. Arrow mark positioned over “OFF”OFF: closed position
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INSTRUMENT AND CONTROL FUNCTIONS
3-8
3
EAU01092
SeatTo remove the seat, remove the bolts.To install the seat, insert the projection
on the front of the seat into the holder
and push down on the seat, then tight-
en the bolts.
NOTE:@ Make sure that the seat is securely fit-
ted. @
EAU00261
Helmet holderTo open the helmet holder, insert the
key in the lock and turn it as shown.
To lock the helmet holder, turn the key
to its original position.
EW000030
WARNING
@ Never ride with a helmet in the hel-
met holder. The helmet may hit ob-
jects, causing loss of control and
possibly an accident. @
1. Bolt (´ 2)
1. Seat holder
2. Projection
1. Lock
2. Open
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INSTRUMENT AND CONTROL FUNCTIONS
3-9
3
EAU00300
Rear shock absorber
adjustmentEach shock absorber is equipped with
a spring preload adjusting ring. Adjust
spring preload as follows. Turn the ad-
justing ring in direction
a to increase
spring preload and in direction
b to de-
crease spring preload. Make sure that
the appropriate notch in the adjusting
ring is aligned with the position indica-
tor on the rear shock absorber.CI-15EEW000040
WARNING
@ Always adjust each shock absorber
to the same setting. Uneven adjust-
ment can cause poor handling and
loss of stability. @
EAU00330
SidestandThis 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 sys-
tem.)
EW000044
WARNING
@ This motorcycle must not be operat-
ed with the sidestand in the down
position. If the stand is not properly
retracted, it could contact the
ground and distract the operator, re-
sulting in a possible loss of control.
Yamaha has designed into this
motorcycle a lockout system to as-
sist the operator in fulfilling the re-
sponsibility of retracting the
sidestand. Please check carefully
the operating instructions listed be-
low and if there is any indication of a
malfunction, return the motorcycle
to a Yamaha dealer immediately for
repair. @
1. Spring preload adjusting ring
2. Position indicator
Soft/StandardHard
Adjusting
position
12345
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INSTRUMENT AND CONTROL FUNCTIONS
3-10
3
EAU00332
Sidestand/clutch switch
operation checkCheck the operation of the sidestand
switch and clutch switch against the in-
formation below.
EW000046
WARNING
@ l
Be sure to use the centerstand
during this inspection.
l
If improper operation is noted,
consult a Yamaha dealer.
@CD-08E
CD-08E
TURN MAIN SWITCH TO “ON” AND
THE ENGINE STOP SWITCH TO “ ”.TRANSMISSION IS IN GEAR AND
SIDESTAND IS UP.PULL IN CLUTCH LEVER AND
PUSH START SWITCH.ENGINE WILL START.
SIDESTAND IS DOWN.ENGINE WILL STALL.SIDESTAND SWITCH IS OK.CLUTCH SWITCH IS OK.
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PRE-OPERATION CHECKS
4-2
4
NOTE:Pre-operation checks should be made each time the motorcycle is used. Such an inspection can be thoroughly accom-
plished in a very short time; and the added safety it assures is more than worth the time involved.
WARNING
If any item in the PRE-OPERATION CHECK is not working properly, have it inspected and repaired before operating
the motorcycle.Center and sidestand
pivot• Check for smooth operation.
• Lubricate if necessary.6-24
Chassis fasteners• Make sure that all nuts, bolts and screws are properly tightened.
• Tighten if necessary.—
Fuel• Check fuel level.
• Fill with fuel if necessary.3-5 ~ 3-6
Lights, signals and
switches• Check for proper operation. 6-29 ~ 6-30
Battery• Check fluid level.
• Fill with distilled water if necessary.6-26 ~ 6-28 ITEM CHECKS PAGEE_3mw.book Page 2 Monday, February 5, 2001 9:54 AM

5-1
5
EAU00372
5-OPERATION AND IMPORTANT RIDING POINTS
EAU00373
WARNING
@ l
Before 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.
l
Never 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. Al-
ways operate your motorcycle
in an area with adequate ventila-
tion.
l
Before starting out, always be
sure the sidestand is up. Failure
to retract the sidestand com-
pletely can result in a serious
accident when you try to turn a
corner.
@
EAU03011
Starting the engineNOTE:@ This motorcycle is equipped with an ig-
nition circuit cut-off system. The engine
can be started only under one of the
following conditions:l
The transmission is in neutral.
l
The sidestand is up, the transmis-
sion is in gear and the clutch is dis-
engaged.
The motorcycle must not be ridden
when the sidestand is down.
@
EW000054
WARNING
@ Before going through the following
steps, check the function of the sid-
estand switch and clutch switch.
(Refer to page 3-10.) @
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