2007 YAMAHA YBR125 stop start

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 :

ALWAYS USE ONLY THE RECOMMENDED GRADE OF ENGINE OIL
1 . Engine oil drain plugc. Remove the drain plug and drain
the oil.
d. Reinstall the drain plug and
tighten it to the specified
torque.Tightening torque:
Drain plug:
14.5 It-lb (2.0 m-kg)
e. Fill engine with oil and install
the dipstick.
Recommended oil:
YAMALUBE 4-stroke motor oil
(20W40 type SG).
Oil quantity:
Total amount:
1.2 L
Periodic oil change:
1.0 L
PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
f. Start the engine and warm up
for a few minutes. While
warming up, check for oil leak-
age. If oil leakage is found, stop
the engine immediately and
check for the cause.

NOTE :
NOTE :
NOTE :
Idle speed adjustmentA diagnostic tachometer must be
used for this procedure.
1. Attach the tachometer. Start the
engine and warm it up for a few
minutes at approximately 1,300
to 1,500 r/min. Occasionally rev
the engine to 4,000 to 5,000
r/min. The engine is warm when it
quickly responds to the throttle.
1. Throttle stop screw2. Set the idle to the specified
engine speed by adjusting the
throttle stop screw. Turn the
screw in direction a to increase
engine speed and in direction b
to decrease engine speed.
Standard idle speed:
1,300 ~ 1,500 r/min
If the specified idle speed cannot be
obtained by performing the above
adjustment, consult a
dealer.YAMAHA
Throttle cable free play
adjustmentBefore checking the throttle cable
free play, the engine idling speed
should be adjusted.
Adjust the throttle cable by turning
the adjusting nut so that specified
free play at the throttle grip is
obtained.
Free play:
3 ~ 7mm
PERIODIC MAINTENANCE AND MINOR REPAIR
6-12