2007 YAMAHA YBR125 Owners Manual

1. Arrow markRES: This indicates reserve. If you
run out of fuel while riding, set
the fuel cock to this position.
Fill the tank at the first
opportunity. Be sure to set the
fuel cock back to "ON" after
refueling
1. Kick starterKick-starterRaise the right Pillion footrest, and
rotate the kick starter away from the
engine. Push the starter down
lightly with your foot Kick until the
gears engage, then kick smoothly and
forcefully to start the engine. This
model has a primary-coupled kick
starter so the engine can be started in
any gear if the clutch is disengaged.
However, shifting to neutral before
starting is recommended.kick
INSTRUMENT AND CONTROL FUNCTIONS
3-7
NEVER MIX OIL IN PETROL1. Starter leverStarter leverStarting a cold engine requires a
richer air-fuel mixture. A separate
starter circuit supplies this mixture.
Move the Starter Lever in
Direction a to Turn on the Starter
Move the Starter Lever in
Direction b to Turn Off the Starter
RES
1

3-8
INSTRUMENT AND CONTROL FUNCTIONS1. Open
2. OpenOpening of SeatTo remove
Open side panels as per instructions
on page 6-5.
Remove the two bolts 1 and 2 as
shown in figure. Lift the front of the
seat and slide forward to remove.
1. Seat Holder
2. ProjectionTo installInsert the projection on the rear of
seat in to seat holder. Then push
down on front of the seat and tighten
the bolts on the left and right hand
side of the seat.
ALWAYS USE A HELMET WHILE RIDING FOR YOUR SAFETY
1

1. Storage compartmentStorage compartmentThe storage compartment is located
inside the L.H. Side Cover
1. Spring preload adjusting ring
2. Position indicatorRear shock absorber
adjustmentEach shock absorber is equipped
with a spring preload adjusting ring.
Adjust spring preload as follows.
Turn the adjusting ring in direction a
to increase spring preload and in
direction b to decrease spring
preload. Make sure that the
appropriate notch in the adjusting
ring is aligned with the position
indicator on the rear shock absorber.Always adjust each shock
absorber to the same setting.
Uneven adjustment can cause poor
handling and loss of stability.
INSTRUMENT AND CONTROL FUNCTIONS
3-9
WARNINGAdjusting
PositionSoft
12345Hard
Stan-
dard
1

INSTRUMENT AND CONTROL FUNCTIONS
3-10 1. HandleSeat
1
1. Stay LockStay LockFor mounting Helmet Lock

PRE-OPERATION CHECKS
4-1
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 tyre pressure could have serious consequence Therefore' it is very important that, in
addition to a thorough visual inspection, you check the following points before each ride.
PRE - OPERATION CHECK LIST
Brake and shift pedal shafts Engine oil
Control and meter cable Wheels and tyres Drive chain Clutch
Throttle grip and housing Rear brake Front brake
Lubricate if necessary.Check tyre pressure, wear, damage and spoke tightness.
Lubricate if necessary. Check for smooth operation. Lubricate if necessary.
Check for smooth operation. Tighten spokes if necessary. Adjust if necessary.
6-21
6-22 6-13 ~ 6-15 6-18 ~ 6-21
Check oil level.
Fill with oil if necessary.
Check chain slack and condition. Check operation, condition and free play.
Adjust if necessary.
Lubricate if necessary. Check for smooth operation. Adjust if necessary.
Check operation, condition and free play.Adjust if necessary. Check operation, condition and free play.
ITEM
CHECKS
6-8 ~ 6-9 6-12, 6-213-3, 6-16
3-4, 6-17
3-4, 6-16PAGE

If any item in the Pre-Operation Check is not working properly, have it inspected and repaired before operating
the Motorcycle.WARNINGFuel gauge
Check for proper operation
/Function
3.2
PRE-OPERATION CHECKS
4-2
Fuel Tank Brake and clutch lever pivots
Battery Lights, signals and switches Chassis fasteners Center and sidestand pivot
Make sure that all nuts, bolts, and screws are properly tightened.
Tighten if necessary.
Check fuel level.
Fill with fuel if necessary.
Fill with distilled water if necessary. Check fluid level. Check for proper operation.
6-24~ 6-26 3-3, 6-27 ~ 6-283-5 ~ 3-7
Lubricate if necessary. Check for smooth operation.
Lubricate if necessary. Check for smooth operation.
ITEM CHECKS
6-22PAGE6-22
-
IF WAITING AT TRAFFIC SIGNAL IS FOR LONG, SWITCH OFF THE ENGINE
TO PROTECT THE ENVIRONMENT AND TO LOWER FUEL CONSUMPTION

OPERATION AND IMPORTANT RIDING POINTS
1. 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.
2. 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.
Always operate your
Motorcycle in an area with
adequate ventilation.
3. Before starting out, always be
sure the side stand is up.
Failure to retract the side stand
completely can result in a
serious accident when you try
to turn a corner.
Starting and warming up a
cold engine1. Turn the fuel cock to "ON"
2. Turn the main switch to "ON."
3. Shift the transmission into
neutral.
When the transmission is in neutral,
the neutral indicator light should be on.
If the light does not come on, ask a
YAMAHA dealer to inspect it.
4 Fully open the Starter Lever and
completely close the throttle grip.
5. Kick the kick starter to start the
engine.
6. After starting the Engine, turn back
the Starter Lever to the Warming-
up Position (About Half way)7. After Warming-up the Engine,
turn off the Starter Lever
completely.
For better engine performance
always warm up the engine. before
take off. Never open throttle fully
when engine is cold, otherwise
engine tends to stop.
The engine is warm when it
responds normally to the throttle
with the Starter Lever in “OFF”
direction.
5-1
WARNING
NOTE :
NOTE :NOTE :

OPERATION AND IMPORTANT RIDING POINTSStarting a warm engine.The Starter Lever may not be required
when the engine is warm.
See the "Running-in" section prior
to operating the Motorcycle for the
first time.
a Shift pedal
N. Neutral, 1,2,3,4 Gear Shift PositionShiftingThe transmission lets you control the
amount of power you have available
at a given speed for starting,
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..
Do not ride downhill with
Ignition Switch in “OFF”
Position & in Neutral Gear.
Always ride motor cycle with
Ignition Switch in “ON”
Position & in Neutral Gear.
Always 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.
5-2
CAUTION :
CAUTION :
NEVER RIDE MOTORCYCLE WITH CLUTCH PARTIALLY ENGAGED.